Posts Tagged ‘modem’
November 1st, 2009 | 
Author: To avail VoIP, one needs an Internet connection to the PC. PC to phone calling requires a specialized adaptor which is provided by the service provider. A VoIP phone is similar to the phones which we normally use but a special software is installed with a modem to establish a connection with the PC. Communication through VoiP is no different from the regular phone and the only difference is that of the free and cheap calls which is possible only through internet connection and the VoIp calls facility. Earlier making long distance calls was a tedious task mainly because of two reasons – it was very expensive and secondly there was no voice clarity at all. But VoIp has overcome both the difficulties and made the conversation process hassle free. Also the use of webcam allows to view the person whom you are talking to. It allows the user to get the message across effectively and clearly. There are several websites which offer this facility and they are filled with loads of information on VoIP. There is no dearth of information regarding this amazing facility. One can easily subscribe to VoIP by logging on to any of the portals offering this feature and fill up an online form. This feature on the Web allows the users to make free International calls without worrying about hefty mobile phone bills. Today, with growing globalisation and liberalisation contacting people in different countries has become an absolute necessity. People are also migrating to other countries for several reasons such as better work opportunities and also for studying in world class universities. This makes free international calling a perfect option which enables to save the users a lot of money. There are a few options for using VoIP such as from PC to Phone, Phone to Phone, PC to PC. The users can choose any of them which suits best to their requirements. Now keeping in touch with your loved ones residing in different parts of the world is an easy task. One can talk without the burden of long monthly phone bills for an unlimited period of time. Also, other features like call waiting, call barring, call forwarding, voice mail, caller ID and conference calls are available free on VoIP. With such an attractive package the users are bound to use VoIp as it offers them so many advantages. It is a cheap and an effective tool of communication. With easy access of computers and Internet it allows the users to communicate without any apprehensions.
Nisha is a Professional writer working with YouTring. An online Entertainment portal offering complete mobile applications like free downloadable, and latest videos. Youtring also provides unlimited international plans at cheap rates & special calling plans like VoIp calls , Call UAE, Call Middle East & free International calls.
Article Source: Free International calls From PC To Mobile
A general interest of people would be finding a way to surf the web without having to wait for dialing time, or having to connect a series of wires, to have no trouble in installing, and without having to go to internet cafes. The introduction of wireless connection to the internet through mobile broadband may just be the solution that everyone is looking for.
Mobile broadband is a way of connecting to the internet without the use of routers and cables. All that’s needed would be availing of a portable modem or often could as a dongle to gain access. There’s also the concept of Wi-Fi, or wireless fidelity, dubbed as the best mobile broadband service because of its convenience. The method of mobile broadband is also currently spreading all over the world because of these advantages.
One of the places where mobile broadband continues to have better service is in the UK. Mobile broadband UK becomes an ideal area becomes it industries continue to find ways of improving its offer in giving an easy way of connecting to the web. The UK also continues to give growth on its network coverage for more people to get a chance at experiencing wireless connection.
The service that UK has been performing continues to draw more of its people to use mobile broadband. A lot of companies have been coming up with more ways to provide better ways of connecting to the internet through mobile broadband. Phone industries also start to give better deals when it comes to providing mobile broadband dongles or basically called as a portable modem. These portable modems are in the form of USB sticks that allow connection to the World Wide Web without the use of cables and wires. It’s so much easier to go wireless because of the advantage that the use of mobile broadband allows portability. You can use them anywhere at any time without having to wait for a dialing period or confusing installment processes. Mobile broadband dongle is as easily installed by plugging it in USB ports of laptops, notebooks, macbooks, and the like. Mobile broadband dongle is also compatible with any PC, laptop or Mac.
The use of mobile broadband can be started through signing up for contracts that certain companies offer. A person who plans to use mobile broadband should be familiar with his or her internet connection needs, if ever he or she has certain preferences in going online. Mobile broadband contracts can be a little costly, but they’re that much worth it rather than having to use traditional methods. The device’s data capacity, and speed, its brand, and the duration of the contract provide basis for how expensive mobile broadband can be.
Adequate mobile broadband coverage in the UK has also greatly helped in the service of mobile broadband. People are having fewer doubts whether availing of a contract would be to their advantage because there is a presence of great reception almost everywhere.
Mobile broadband UK has been a great provider of good deals that make it easier for people to gain access to the internet. Some may still stick to using cables and wires while others become open to using mobile broadband. The UK constantly improves its service, together with the different industries that go along with it.
Andy Gott from UK brings you the mobile broadband, mobile broadband comparison, mobile broadband dongle and lot more, which is easy to access anywhere anytime. To know more about mobile coverage and broadband, log on tohttp://www.mobilebroadbandsupermarket.co.uk.
Article Source: The Ideal Place To Surf The Web
We live in a world today where it’s really important to be updated – to grow global through the internet. We learn to mix with other people of different origins, stories and backgrounds. We eventually grow to be dependent on the internet that is why there are a lot of improvements that give attention to this. New ways are constantly being introduced on how to connect to the internet through an easier method.
Mobile broadband is one of the latest advancements to make it easier to connect to the internet. There are a variety of methods that fall under mobile broadbands; one of them is through using a portable modem. This happens by plugging a dongle into a USB port to connect to the internet. Certain dongles however, are acquired through signing up in contracts that would serve the consumer for a period of time. Another would be connecting via Wi-Fi or wireless fidelity; this would also be considered as one of the best mobile broadband methods. The use of this would only need a good enough reception for receiving information to gain access.
Wi-Fi is a really good way to connect to the internet because it’s much easier to install and requires less waiting time. Connecting via Wi-Fi and other mobile broadband methods would only require a good enough mobile broadband coverage. Using mobile broadband would be much easier on people because you can carry it anywhere; this applies specially for those who tend to travel. You could also install mobile broadband faster. Another is that a person wouldn’t have to worry too much about the speed because of different contracts and methods of mobile broadband have different speed rates. Generally though, mobile broadband connection is the same as getting connected through routers and wires.
If you would compare mobile broadband to other connecting methods, there would be less waiting time required by mobile broadbands. There would also be the concept of contracts; here you get internet connection from portable modems. The portable modems would require having to sign up for contracts on this, if you would want to go through trial periods or through longer durations of having wireless internet connection.
Contracts for portable modems would have costs that would depend on the features they have. The costs of contracts would be based on its maximum speed to the allowance of data, and also considering the duration of the contract. Mobile broadband UK has a pretty good coverage for mobile broadbands users, companies also offer contracts that have a range of 10.00 to 30.00, some contracts would offer a group of mobiles. Trying different contracts would also be advisable if you would want to choose which type of service you would stick to. A loyal subscriber to a contract would also get a chance of getting benefits the next time he or she applies.
Our world today is greatly affected with the ability we have to connect with a variety of people. And as industries invent better ways to make connecting to the internet a hassle-free task, people continue to receive these innovations with good feedback. It’s all through offering an easier way to reach the world.
Andy Gott from UK brings you the mobile broadband, mobile broadband comparison, mobile broadband dongle and lot more, which is easy to access anywhere anytime. To know more about mobile coverage and broadband, log on tohttp://www.mobilebroadbandsupermarket.co.uk.
Article Source: Committing To Wireless Fidelity
You might be familiar with the newest trend on internet connection – and its going wireless, technically known as mobile broadband. Mobile broadband is basically about connecting to the internet without having to get a phone line first. So if you’re interested in availing for wireless internet connection, you might want to sign up for mobile broadband contract. This would eliminate the needs of installing routers and going through a series of wires just to gain access.
Availing of mobile broadband service would require the need of signing a contract. Mobile broadband contracts are often provided by phone companies, after signing up for a deal, the company supplies you with a USB stick that would act as a portable modem, after which you can now freely gain internet access by just plugging it into the USB port of any PC you have. Try and compare mobile broadband to other internet connection providers and you would see how easy, not only because it’s wireless but mobile broadband services are portable as well. You could surf the web anywhere, anytime.
Signing up for contract would also mobile broadband comparison, but these would apply on the type of contract you want to avail of. Seeing how mobile broadband is so much easier because of its portability, the next thing you would evaluate is the service that a contract provides.
You would first need to evaluate the rate of speed you use. Do you download often? Does your PC function as a TV too? Downloading would require a faster rate while researching, and checking your status on social networking sites would need only the average speed rate. Together with speed you would also want to check your reception. An adequate mobile broadband coverage would allow you to really use the rate of internet connection speed that you want.
The second raw brick would be on download limit, like what applications do you want on your PC or laptop, do you use downloading sites often? Do you play a lot of online role playing games and such? You would need a higher download data limit. Most contracts can take up to 15 gigabytes, which would be large enough for your application needs.
The third raw brick would be on the duration, would you only need wireless service for a certain activity, work or travelling perhaps? Mobile broadband contracts have offers that can be from a pay-as-you-go option to three month durations.
An extra raw brick, that’s really dependent on whether you’re really specific, is the brands. Mostly popular phone companies provide mobile broadband services. And their contracts don’t differ much from other company offers.
Now, one you’re done with evaluating you’re internet service needs, you could contact you’re provider right away. Finding the best mobile broadband deal for you isn’t that hard, if you know where to start.
Andy Gott from UK brings you the mobile broadband, mobile broadband comparison, mobile broadband dongle and lot more, which is easy to access anywhere anytime. To know more about mobile coverage and broadband, log on tohttp://www.mobilebroadbandsupermarket.co.uk.
Article Source: Your Basis to the Perfect Deal
Dial-up Internet is a narrowband Internet connection that figuratively downloads information at 56 kbps (kilobits per second). That’s 56 bits, or 7 bytes of data per second that can be downloaded to your computer from the Internet, whether it’s email, websites, or files.
If you use dial-up, you may have noticed that you are not connecting to the Internet at 56 kbps or 56000 bps. Or perhaps you’ve noticed that your downloads are slower then 7 bytes per second. Who’s fault is it? The ISP? Although many people choose them as the first to blame, the ISP is minimally responsible for your connection speed.
In order to understand Internet connection speeds, here is a basic overview of how dial up works:
1. You click connect on your computer to initiate a dial-up connection.
2. Your dial-up modem places a call on your telephone lines to another modem on your ISP’s end.
3. The two modems then send and receive test packets of information and agree on the optimal connection speed that they can send without losing or jumbling the information (hence, the screeching sounds).
4. The connection and speed is established, allowing you to send and receive information, that is, webpages, email, etc.
The dial-up modem itself can receive information at 56 kilobits per second, but since it’s using the telephone lines, several limitations apply. The connection speed, then, is the highest speed possible to send and receive packets of data based on the type of modem you have, the amount of inhibiting line noise or static is on the line, and the distance between your modem and the telephone company’s central office. With these factors in play, few dial-up users are physically capable of a connection speed much higher than 48-50 kbps.
Furthermore, the FCC has limited the maximum download speed to no more than 53.3 kilobits per second. This was to prevent “cross-talk”, where the activity of the dial up connection would run over into other lines and be heard on nearby telephone conversations. In the most ideal situation, you would live next door to the telephone company, and have brand new lines and modem. Your connection speed would most likely be 51-53 kbps.
Since dial-up modems have to hear analog signals over your phone line to send and receive information, one of the biggest factors of slow connection speeds and disconnects is the telephone line. Some things can be done, like shortening the distance of the phone cord to the modem and rewiring phone cords in your house. Unfortunately, many rural dial-up customers are often left with little or no solutions. If you live too far from the phone company’s central office, you may not be physically capable of getting faster connections. Sometimes phone company cannot afford to replace large sections of phone cords, especially if they are still in usable for phone conversations.
If you notice that you are getting low connection speeds, consider the following:
•Are you using a splitter or a phone cord longer than 5 feet? Try rearranging your computer set up to give your modem the closest access to the phone jack. Most modem ports have a second jack for your telephone so a splitter is not needed.
•Do you often hear static or humming on your home phone? You may need to rewire the lines in your house or the phone company may need to repair wires going to your home.
•Have you recently had inclement weather? Sometimes storms and heavy rain can cause temporary slow connection issues.
•Are you connecting to a local access number? Get several numbers for your area from your ISP, then check with your phone company to make sure the are local. Try several local numbers and see if one connects better than the other.
•Is your modem out of date (and lacking the latest compression technology)? Perhaps you need to buy a new modem or download new drivers for your model from the manufacturer’s website.
Keep in mind that there are other ways to download and load webpages faster. You could update to the latest version of your browser, install web accelerators, and eliminate unnecessary processes running on your computer. See a local technician for help and more advice.
Written by Hannah Miller, Director of Online Marketing and Customer Service Rep, Copper.net.
Copper.net is a nationwide Internet Services provider that is all-American owned and operated. Call today, 1-800-336-3318 or sign up online. Check out my blog for this and more great articles! http://www.copper.net/wire.
Article Source: Why Dial-up Isn’t Really 56K
Broadband is a communication channel that supports a broader range of frequency compared to the ones used by regular phone lines (baseband). Phone lines are usually used for internet connection, which can only send a maximum capacity of 56kbps of data when coupled with a modem. This makes broadband connection faster and more popular choice for consumers. It is available via ADSL phone lines, wireless fidelity, cable TV, or via satellite.
How does broadband work? Broadband is faster than baseband links because broadband connections is capable of carrying multiple signals. To put it simply, one can think of baseband lines as one channel while broadband lines as multiple channels.
Data from a computer source can therefore be divided and sent simultaneously to its destination using many paths at the same time instead of only having one path to go through. That way, internet connection is quicker and more efficient. One such great analogy to this is the number of lanes a road has. To compare, there would be less road traffic if there are more lanes where vehicles can pass at the same time than just one lane where all the said vehicles pass through one at a time.
But that’s not all. Another thing that makes broadband a fast connection is due to its frequency range. A larger frequency range only means that more data can be placed in a particular channel in contrast to using baseband lines. Going back to the road lane analogy, this means that on one lane there can be more vehicles that can fit at the same time and, which, of course, result to lesser traffic and speedier internet connection.
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Article Source: How Does Broadband Work
Do you remember the time when we all had to rely on our friendly postman for our mail? When letters would take days or even months to get to its destination? When the Internet became the perfect solution with the introduction of electronic mail? Internet connection has greatly improved since then and so has our ways of communicating with everyone in the world. We don’t just rely on snail mail anymore, we now have email, chat and video mail to use at our disposal as well. These new innovations would not be possible if it weren’t for broadband Internet. But what exactly is an Internet broadband connection?
Internet broadband simply means fast Internet. For the more discerning breed of Internet users, this type of connection is not just an added bonus but also a necessary need to them. Speed is essential if you want to be able to use features such as video streaming and video conferencing on your computer. Years back, connecting to the Internet involved using a dial up modem.
This type of connection would use a telephone line, which would call a number that would enable the caller to gain access to the Internet. It was fast, easy and convenient during the past, or at least until people realized that it was eating up their entire phone line. Since the phone line is being used by people to log online, it was impossible for anyone to receive calls over the phone. Broadband on the other hand does not disrupt calls and enables anyone to still be able to use the phone even if the computer is connected to it at the same time.
Simply put, Internet broadband enables users to go online, and have access to their phone line at the same time. With the use of this new technology, communication has become faster and more efficient for everyone.
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Article Source: A Beginners Guide to Internet Broadband
In today’s article, I’m going to quickly inform you about the Cisco IOS global configuration mode command named “aaa authorization reverse-access”.
So on that note let’s begin, CCNA’s (like you) use the “aaa authorization reverse-access” command to tell (configure) a network access server (NAS) router to request authorization information from either a TACACS+ or RADIUS security server before allowing a user to establish a reverse Telnet session.
In other words, an internal network administrator may sometimes need to perform a reverse Telnet session, so in order to gain control of a modem that is connected to a network access server (NAS) router; so he or she can make a call. If the network access server (NAS) router is configured with the “aaa authorization reverse-access” command, the router will check with either a TACACS+ or RADIUS security server first, to see if it’s o.k. for the network administrator to establish a reverse Telnet session to gain control of the modem to make the call.
Note: If a network access server (NAS) router is not configured with the command, it will automatically authorize all reverse Telnet sessions by default.
Below is the command’s syntax:
aaa authorization reverse-access {group radius | group tacacs+}
As you can see, the command is fairly simple to use; and it only has two keywords “group radius” or “group tacacs+”.
group radius – This keyword is used to specify that the network access server router will request authorization from a RADIUS security server before allowing a user to establish a reverse Telnet session.
group tacacs+ — This keyword is used to specify that the network access server router will request authorization from a TACACS+ security server before allowing a user to establish a reverse Telnet session.
And, like with mostly all Cisco IOS commands; you can use the word “no” in front of the command to remove (disable) the configured command; like you see below:
Router(config)#no aaa authorization reverse-access {group radius | group tacacs+}
By the way, if you decide to use the command, make sure your router(s) is running Cisco IOS 12.0(5)T or higher.
I hope this article was very informative and helped you quickly understand the usage of the aaa authorization reverse-access command. If you need to learn more; I suggest you visit my website, were you’ll find the latest information regarding the Cisco CCNA (640-553) Security exam techniques.
To your success,
Charles Ross, CCNP #CSCO10444244 is the owner of Ittechtips.com; where you’ll find free comprehensive information and videos on how to pass the CCNA (640-553) security exam.
Sign-Up for “100 Free Videos” and, also learn more about the new “Cisco CCNA (640-553) Video Accelerated Training Course” at his website. http://www.ccnaittechtips.com
Article Source: Cisco CCNA (640-553) Security Training: Using the aaa authorization reverse-access command
Make sure your computer is safe in the office or at home, so keep quiet holiday. Somehow left the laptop in the office or home, or take a vacation, you need to pay attention to the following:
1. Before leaving the office or home, make sure the computer and monitor in a state of inactivity. If the computer must standby so you can work the remote, at least turn off the monitor.
2. Let safe, pull the plug that connects the computer with the power source. In addition to minimize bad things, also in order to save electricity.
3. Turn off and pull the plug of your computer equipment such as printers, Uninteruptible Power Supply (UPS), speakers, and other computer equipment. Do not forget to also turn off the alarm in order not to disrupt the hours that employees picket duty in the office during vacation.
4. Back up the data that exists on the computer or server before the holiday. This will be useful if a malfunction occurs when the system that causes missing data.
5. Disconnect your computer network access to all workstations and servers. Turn off the modem to access the server or workstation.
6. Do not forget to lock the door of the room so that you secure your computer equipment.
For those who use a laptop:
7. Do not leave the laptop in the car if you do not intend to bring a laptop while on holiday. Save your laptop in a safe place.
8. If you intend to bring a laptop while on holiday with the plane, do not enter in the laptop to baggage, but take it to the cabin.
9. Ensure the laptop is off or at least in a position prior to hibernation and bring a laptop on the go.
10. Do not put a stack of goods on the laptop. Too heavy a burden on the laptop can cause your laptop is broken. Moreover spill drinks on the laptop.
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Article Source: 10 Tips How to Securing Our Computer When Holidays
The Hard Drive is one of the core hardware components for the computer. It is the component that has Windows Vista stored on it. Windows Vista is an Operating System, which means it operates the system (computer) so that the hardware (i.e Printer) and software (i.e Office) can talk to each other to produce a result (i.e A printed documented). Windows Vista provides a piece of software known as Internet Explorer that allows you to communicate with people over the Internet and view websites. This is made possible because Windows Vista allows a Modem to dial the Internet. Once connected to the Internet it then allows Internet Explorer to see website pages as text and pictures, using different typefaces (fonts) and languages in many cases. Windows Vista has many other technical jobs to do, but to keep it simple just look at it as the thing that allows you to type letters, view websites, communicate with people, listen to music and so on. There is only one thing to remember about the hard drive and that is that it will not work unless it has an operating system (such as Windows Vista) stored on it. If the hd gets worn out or damaged Windows Vista will become corrupt and/or unusable. And even if the hd is brand new it is still possible to damage/corrupt Windows Vista by deleting its files, catching a virus or whatever – So look after Windows Vista and the hd.
WINDOWS VISTA (THE OPERATING SYSTEM)
When you install Windows Vista it tries to detect the hardware inside the computer. For each piece of hardware it detects (i.e Sound Card) it tries to install its own software for that hardware. If it cannot find any of its own software to install the hardware it will ask you for the CD that came with the hardware, so it can install the software on that CD in order to make the hardware work – So always keep the original CDs. If the hardware did not come with a CD you will need to contact your computer retailer or manufacturer for a replacement CD or get the software from their Internet website if they have one.
Once Windows Vista has been installed, with all your hardware detected and installed, you then install your additional software. Additional software means Office, Anti-Virus, Printer, Scanner, Music, Messenger and so on software. Installing Windows Vista, and all the common (additional) software, should take up approximately 4 GigaBytes of hard drive space. This means if you have a 40GB (40 GigaByte) hard drive you will be left with 36GB for your own use – You could install more additional software like Games, Store your own Folders and Files, Download files from the Internet, Store CD contents and so on.
HISTORY
Each time you go on the internet Windows Vista, Internet Explorer and Websites save certain information about you and your activities. For example Windows Vista might save your User Names and Passwords so you do not have to retype them every time you want to go on the internet. Website pages (text and/or pictures) might be saved so that when you want to look at a certain page again it appears instantly, because Internet Explorer will display the saved page first – If the page is updated by the owner Internet Explorer will then download and display the updated page, if it has a connection to the internet. By saving pages it means you can view those pages at your leisure when you are not connected to the internet. And as most pages stay the same (with the same text and pictures on them) the downloading of updated pages is minimal. The saving of information is done for every website you visit. On top of this Windows Vista is always saving Settings information, Email information, File information and so on. This is necessary to make your experience of the computer faster and better. For example. When you add or delete an email address to/from your contacts list that contacts list needs to be re-saved. Otherwise you would have to manually type in an email address all the time, as opposed to picking it from the saved contacts list. When you update software, like Anti-Virus and Windows Vista software, the updated files have to be saved onto the hard drive as well. So with forever growing information, installation files and updated files the computer will realistically need 10 GigaBytes of hard drive space – This is a normal scenario for most people. With the remaining space people either leave it empty or use it as storage for their Music files for example. However. As Windows Vista indexes each file it stores, so it can find a file quicker, more space will be needed for the index itself.
REDUNDANT FILES
Try to avoid saving redundant files. For example. When you save an installation file, such as a downloaded Game.exe file, and then install it it will take up additional space. This is because files that need to be installed have usually been compressed (shrunk). So 10 game files (not 10 games) for example might of been shrunk into 1 small installation (Game.exe) file. Let’s say the 10 game files were 1 MegaByte each (so 10 MegaBytes) and then shrunk into 1 small (3 MegaBytes) installation (Game.exe) file, so it is quicker to download and/or store somewhere. When you activate the small installation file it is expanded back to its original 10 game files, which are then saved inside a Games folder on the hard drive. What this means is you have 10 installed game files and 1 small installation file, so the small installation file is then a redundant file. By saving the small installation file onto CD for example and then activating it from the CD you will save yourself 3 MegaBytes of hard drive space. If you now imagine you had 30 small installation files that would be a saving of 90 MegaBytes, if they were on a CD instead of the hard drive.
SPEED AND SIZE
If your hard drive is 20 GigaBytes or less it will go round at 5400rpm. And if it is more than 20GB but less than 80GB it will go round at 7200rpm. An hard drive is like a record player – It spins round and a needle (laser) reads/writes the data (Fig 1.1 above). The faster the rpm the faster the hard drive. If you have an old 5400rpm hard drive it is definitely worth upgrading to a 7200rpm hard drive because the speed difference is noticeable – Data is read/written faster. Two other reasons for upgrading are that it only costs £35 for a 40GB hard drive and because 20GB (or less) hard drives are now obsolete. One thing to remember though is that when you buy a new hard drive it is blank – It does not have any software on it at all. Not even Windows Vista.
In terms of size, although 1 GigaByte is 1,024,000,000 Bytes, you have to look at the size of the average file these days to put hd size into perspective. Here are some figures based on a 40 GigaByte hd:
40 GigaBytes = 40,960,000,000 Bytes
40 GigaBytes = 28,000 Floppy Disks
40 GigaBytes = 50 CDs
40 GigaBytes = 40,000 MegaBytes (or 40,000 1MB Files)
Although in reality you will never use the whole 40GB, never say never. With music downloading, digital cameras, scanners and bigger files becoming standard the need for storage space will grow.
KEEP IT IN GOOD HEALTH
When a computer and its hd are new you hear nothing but the fan inside the computer. A humming sound. As the hd gets older it starts to make a light jingling/drumming sound that overtakes the sound of the fan. Nothing serious, perhaps a few decibels only. And when the hd is really old it makes a noticable, loudish, screeching/drumming/tapping sound. This is when it is time to replace the hd.
As a rule, try and replace the hard drive every 3 or 4 years (5 Maximum) if the hard drive is 20GB or more. If it is less than 20GB it should be in the dustbin already. By not replacing the hard drive you risk losing/damaging your files due to the hard drive’s age (Corruption, Unable to read/write data and so on). Also backup (save) your files onto floppy disks or CDs every month or so, regardless if the hard drive is new or old.
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Article Source: What Exactly is a Hard Drive and What Is Stored Inside It?
International certifications like Microsoft certification are now becoming a necessity in the IT industry. They are being established to give guarantee to the potential employers that IT professionals this time had followed a set of standards and rules of skills and knowledge to ensure that they can do the works related in the different IT areas. This certification will enhance your skills with more training in the areas of computer architecture, modem, memory, hard disk set up, memory and operating systems optimization.
There are a lot to expect being a Microsoft certified professional. From the time that you became certified that means to say that you have a long way to go in your career. Your certification is one proof that you are good in your chosen field. You only need to take the series of exams and pass it and for sure many opportunities will come your way. Believe in the impossible because with Microsoft certification you will experience the benefits that would come your way. From landing a good job and earning a good salary, you will surely enjoy the life being a Microsoft certified.
Don’t waste your time in getting certified. As long as you graduated your course, start looking for testing centers where Microsoft certification exams are given and take the test right away, who knows you will pass it in just one take and become certified. In becoming a Microsoft certified, you can land good job and aside from that you can create a business of your own and having such certification could help you attract potential clients. You can make your own business related to Information Technology and be able to gain the trust of your clients all over the world. Merely seeing your certification, is a great for you as it boost your ability to the people around you.
Don’t miss the chances of becoming certified! Be certified as soon as possible to start immediately the long step of your successful career!
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Article Source: Why should you Grab Microsoft Certification?
What is broadband? So you will comprehend what exactly is the broadband internet, you should first understand how broadband works and what is their purpose. At any rate, when the internet first came out, the dial- up modems linked to personal telephones were utilized to obtain internet access.
The internet access through dial-ups was very slow and so many times, it left the person frustrated or annoyed. It was really in the 90’s that internet use actually took off. And as technology become more modern and advanced, the broadband internet was developed and has gained popularity. Then, it became the most preferred way of accessing the internet.
So, what is broadband? Let’s just put it this way, a Broadband allow you to access and keep you logged on to the internet. You don’t need your telephone line anymore like with the dial-ups. Your only requirement now is just a broadband internet connection which you can avail through a cable company near you.
As stated a while ago, a dial up modem will provide you with slow internet speed that will greatly affect your smooth internet surfing experience. But with broadband connection, you will instantly see the difference once you click your mouse and experience high-speed downloading and internet surfing.
Truly, you can consider Broadband as the sign of the times. Currently, we live in a fast pace world of information. And that information can be had and easily made available for us through the internet. Moreover, time is also a valuable commodity and not everyone have the extra time to sit right in front of the computer to research or find whatever we want on the World Wide Web. This is to say that, time also means money especially if you do most of your business online, and so, you must rely on broadband for faster internet access and forget about the dial-up modem which will only cause so many delays.
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Article Source: What Is Broadband? – The True Meaning
If you are interested in switching to DSL, you may be curious to know what DSL is all about and how it compares to dial-up. For the purpose of this comparison, we will assume that by DSL, we are talking about ADSL, the typical DSL connection available that uses a phone line to connect. Here are a few of the basics.
For starters, dial-up and DSL both connect using your land line phone line. Simply put, a dial-up modem converts the analog communication your phone line uses into digital information needed for your computer. The same thing happens on your phone company’s end. Their modem converts the from digital to analog so it can travel on the phone lines. DSL, on the other hand, uses the same wires that your analog phone line used and bypasses the digital-analog-digital conversion dial-up must use.
Therefore, DSL transmits information much faster than dial-up, and works at a higher frequency (higher than can be detected by the human ear), and by doing so, it does not effect the analog communication (phone conversations, etc.) on those same lines.
The most obvious difference, other than the speed, is the price. The total monthly cost of dial-up is between 10 and 20 dollars a month with little or no additional fees including set up or equipment fees. DSL has a monthly fee somewhere between 20-100 dollars a month (based on speed desired and location), not including the price of equipment, installation, and other fees such as repair plans, technical support, or contract fees.
Most computers have a dial-up modem already installed on the computer, so there aren’t typically many equipment costs associated with dial-up. Other than a land line and a phone cord, that is the extent of the “equipment” and “installation” costs for dial-up.
Availability and transportability are two categories where dial-up exceeds DSL. Connecting to the internet with most dial-up services is available to any computer that has a land line phone. It is not confined to the home where the DSL modem is installed.
DSL is only available in very limited areas. DSL is rarely available in rural areas because they are too far from the phone company’s central office. The choices of connection speeds on DSL could cut in half based solely on your locations. Often, a few hundred feet means the difference of DSL or no DSL for suburban homes.
DSL and dial-up can be provided both by your phone company or through your phone company. While you can set up nearly any dial-up service with any analog phone service, DSL is usually only available with your phone company or a DSL company that partners with your phone company.
Many phone companies will not let any other DSL company use their phone lines, so this could even further limit or prevent you from getting DSL. If they do, further problems can occur in the process of communication during the activation period and the resolving of technical issues. Even with no complications, DSL usually takes at least several days to set up.
Dial-up has a very simple set up procedure that takes about half an hour or less (unless you are mailed a setup CD, which is often not necessary). Since it is so simple to set up, you can easily move the connection, set up multiple connections, and take your service with you when you travel or move. Rarely does your phone company need to be involved or even notified, other than to make sure your access number is a local call.
DSL is a fast, dedicated connection for those who require it for gaming, downloading, and streaming of videos, etc. Dial-up excels in price, availability, and simplicity for people who need to save money or don’t have many other options.
Written by Hannah Miller, Director of Online Marketing and Customer Service Rep, Copper.net.
Copper.net is a provider of Columbus Ohio DSL and is all-American owned and operated. Call today, 1-800-336-3318 or sign up online. Check out my blog! http://hmiller1234.wordpress.com/
Article Source: Dial-up vs. DSL
So you have gone out and bought the Xbox 360!? It was a fantastic decision and you will enjoy hours upon hours of playing time with your new device, but before you get started into the wide world of online gaming you are going to need to know how to connect the 360 to the Live network.
Before you do anything you are going to need to decide how you plan on connecting the bad boy. The 360 supports both wired and wireless connections. In order to use a wireless connection you will need the Xbox 360 Wireless adapter. Personally I find the wireless connection to be a bit too temperamental for my liking so I go with a wired connection via a router, but not everyone has the same wireless experience.
To set up the connection via a router unplug the router and the modem and turn off the 360. Connect an Ethernet cable to one of the out ports of the preexisting router then connect the cord to the back of your 360. Plug everything back in and turn and give the modem and router about 3 minutes to reboot.
Once you have given everything a few minutes to reboot you can turn the 360 back on. If you have already set up a gamer profile you will see the Xbox Live screen. If you have not set up an account you will be prompted to do so. All you need to do is follow the on screen instructions. It is a pretty cut and dry process and should not take more than 10 minutes of your time.
If you want to go wireless or you must go wireless you will need to get the Xbox360 wireless network adapter. The adapters are available at most stores that sell 360 games or you can order it online. Once you have the adapter unplug any Ethernet cable you might have plugged into the 360 then clip the Network adapter to the back of the 360. It is really easy to see where it belongs, but just in case, the adapter will sit right alongside the USB port which is right above the Ethernet port. Once you have clipped it in plug the USB cable that is attached to the adapter into the port on the Xbox 360. Flip up the antenna that is laying flat against the adapter and you are set, well almost set.
Turn on the 360 and head into the System tray. You will see Network options, go ahead into that screen and follow it through to the “Edit Settings” subcategory. The Network name should appear on a list of available networks. Select your network and enter the password, if there is a password. Exit out and you should be ready to play.
It is all a very simple process and Microsoft has gone ahead and made it super easy to setup the network in no time at all. From start to finish the entire setup should only take about 15 minutes, tops!
This article brought to you by ASTRO Gaming Inc. ASTRO Gaming produces a line of gamer centric “tech-life” products, supporting this rapidly growing community. ASTRO Gaming’s product line includes the critically acclaimed A40 Audio System, the Official Licensed MLG Gaming Headset, and the new Transport Series of gaming bags.
Article Source: How To: Set up Xbox 360 Live
Dial-up internet service is about the same connection speed regardless of which company is providing the service. Although some ISP’s offer accelerators, the connection speed still typically range from 20-50 kbps (kilobits per second) as a result of 1) the quality of the phone line, 2) the distance of the phone line source and the house, and 3) the type/quality of the dial-up modem.
Therefore, choosing a dial-up provider is important not because one is faster than another, but because the customer service, payment methods, terms of service, and other important features vary greatly from one company to another.
You’ve probably heard of several larger companies who provide dial up internet, like AOL, Earthlink, and Netzero. These companies have become a household name commonly associated with dial up, but they are not the only dial up providers. It would be easy to find and sign up for Internet service with these companies, but you could be making a mistake. Many larger dial up ISP’s have sent their customer service to outsourced call centers in order to save money. Some of them require you to sign up for a contract. Some charge fees for technical support or cancellation. You have to consider multiple factors when choosing the best Internet service, and this will take some research.
Fortunately, some of this research has been done for you. There are several websites that list the top rated dial-up providers, including the lesser known ISP’s who are more concerned about doing you a favor than making a lot of money. Here three websites who show the facts for a variety of Internet services:
ISPCompared.com
Cheap56K.com
TheISPGuide.com
Of all the prominent ISP comparison websites, these have a wide selection, quality up-to-date information, and easy navigation.
These sites show all the basics at a glance—price, ratings, features, and special offers. They also link to reviews, which can be very handy when weighing your options. Wouldn’t you want to know what company has the happiest customers? What did an actual customer say about the ISP that interests you? Keep in mind that solitary negative (especially heated and derogatory) reviews could be an isolated situation that bears no relevance to the average user.
Another benefit of using an ISP comparison website is that most companies offer a discount to new customers, and these websites often directly link to that site’s promotional web page for easy sign up. You will not only find a satisfactory ISP, but you will also save money!
Choosing the best ISP may be a process of trial and error. These websites will help make the best choice the first time. They also provide some information about dial-up and Internet service in general if this is your first time choosing your own company.
There are many companies who sell dial-up, and just because everyone you know has Earthlink or you grew up on AOL doesn’t mean you have to be one of their customers too. Take advantage of a competitive market and find the service that’s best for you.
Written by Hannah Miller, Director of Online Marketing and Customer Service Rep, Copper.net.
Copper.net is a nationwide Internet service provider that is all-American owned and operated. Call today, 1-800-336-3318 or sign up online. Check out my blog! http://hmiller1234.wordpress.com/
Article Source: How to Find the Best Dial-up ISP
This article will cover a few points that you will be tested for the CCNA regarding the configuration of basic Cisco IOS router operation. IOS (Internetwork Operating System) is the software operating system running on most Cisco network devices, including switches and routers. To configure any Cisco network device you need to master the Cisco IOS Configuration Commands and use the Command Line Interface (CLI) to configure and troubleshoot a Cisco device.
How to connect to a Router in order to Configure it:
You can connect to a Cisco IOS Router either directly or remotely. For the first time when the device is not configured yet, you usually connect directly with a console cable via the CON port or remotely by dialing into a modem connected to the AUX port. These are called “out-of-band” connection methods. After you configure the router and assign IP addresses to its interfaces, you can connect to the router from the network with an “in-band” connection method using Telnet or SSH.
Router Configuration Modes
After connecting to a Cisco Router (let’s say using a console), you are presented with the Command Line Interface in which you type and enter configuration commands. After typing a command, you press enter and the command is automatically active on the device. For example using the “shutdown” command on an interface, automatically disables the interface. Now, there are two Router Configuration Modes (or access modes):
User EXEC Mode: Allows the administrator to access only limited monitoring commands. You can not actually make any configurations from this mode. The command prompt on this mode is “router>”
Privileged EXEC Mode: Allows the administrator to access all device commands, such as those used for configuration and management, and can be password protected to allow only authorized users to access the device at this “full-access” level. This mode is also called enable mode because you get to it with the enable command. The command prompt on this mode is “router#”. From the privileged EXEC mode you can start configuring the device by typing “configure terminal”.
Router Memory Types
A Cisco router has four memory types:
ROM: This is where the POST script of the router is located. The POST software (Power On Self Test) is used during startup to perform the initial hardware checking of the device. The ROM also holds a mini-IOS used for password recovery.
RAM: This is where the running configuration is located. After the device boots up, the IOS software is loaded into RAM. Also, RAM holds routing tables, network parameters during operation etc. When configuring the router, we actually change the running-configuration which as we said is stored into RAM
NVRAM: When we save the running-configuration (using the command “write”) it is stored into the NVRAM and becomes the startup-configuration. After rebooting the router, the startup-configuration is loaded from the NVRAM.
Flash: This is like the hard-disk of a PC. It holds the IOS software image file and any backup configurations that you might save from time to time.
When you issue the “show running-configuration” command on the router you instruct the device to display the current running configuration in RAM. When you issue the “show startup-configuration” command you instruct the router to display the stored configuration in the NVRAM.
Harris Andrea is a Cisco Certified Professional (CCNA, CCNP, CCSP) with more than 10 years of experience in the networking field.
Harris highly recommends the following CCNA Training package to pass your CCNA exam Guaranteed:
CCNA Certification Training
Studying with a CCNA Video Training package is the best option to prepare for your certification.
Article Source: CCNA Exam Prep: Cisco IOS Router Operation
present scientific world is does not suit to travel with your notebook on any travel and fail to use before your destination. But Some times after a long travel we fell bore when sitting idol for a long time. But this problem is resolved by wireless internet cards forever. Gone the days when you were waiting for hotel room in order to get joined to their WI FI connection comparatively very slow to yours at your office or home. Wireless internet card (Air cards) connection has come as a rescue for all those who travel a lot. It connects you to wireless internet from wherever you are in convention centre and on this planet .when you are eager to do what you want so get access the internet from your laptop while traveling with a wireless Air card. You can get cheap internet connection in convention center.
Aircard rental is a faithful company which not only provides facility during traveling but also at convention centers. Wireless Air Card Company provides most innovated wireless connectivity solutions which are both well suited and reliable. There are two types of products Air card 595 and Air card 597. These cards offer internet connection any where. Comparatively its speed is higher than other internet connections. Compared internet connectivity through a modem or DSL, the wireless connectivity through Aircards can give data rates that range between 1.8 Mbps downlink and 384 Kbps uplink. The wireless air card is addition to the Sierra line. Offering users the fastest speeds to access critical information, it is an ideal communication tool for road warriors requiring flawless connectivity
So, always get link to the internet from your laptop with a wireless Air card while traveling or attending any party in convention centers. It has many benefits and the first is that its speed is higher than other competitors. Secondly its charges are reasonable and particularly
in convention centers. Aircad rental provides you the wireless card especially for unique events and for all those who want to use internet in a certain location for a specified time. This provides you an advantage to connect to wireless cards at a exacts time and for specific place such as convention centers and for traveling.
If you are owner of a laptop than wireless internet cards for laptops are very functional today and for the years to come. In NY convention centre you can connect your internet with the help of wireless internet card with so called rates charges are $50 week $90 2 weeks. $180 a month in the USA. Because the Internet is the main advance in the computer era and laptops are very functional right now. The evolution of the internet is always an event to wait and internet cards will always be very important as components of laptops and particularly it is most beneficent when you connect at unique places such as convention centre and when you are traveling.
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Article Source: Low priced Internet access in Waco Convention Center
This entry will face a few points that you will be hardened for the CCNA about the configuration of obnoxious Cisco IOS router maneuver. IOS (Internet work running System) is the software running logic managing on most Cisco logic, counting switches and routers. To configure any Cisco logic appliance you requisite to master the Cisco IOS Configuration tips and use the dictate Line boundary (CLI) to configure and troubleshoot a Cisco appliance.
How to connect to a Router in order to configure it:
You can connect to a Cisco IOS Router whichever exactly or randomly. For the first time when the appliance is not configured yet, you mostly connect exactly using a console cable via the CON haven or randomly by dialing into a modem coupled to the AUX haven. These are called “out-of-band” connection methods. After you configure the router and assign IP addresses to its interfaces, you can connect to the router from the logic using an “in-band” connection logic with Telnet or SSH.
Router Configuration Modes
After connecting to a Cisco Router (let’s say with a console), you are unfilled using the dictate Line border in which you nature and include configuration tips. After typing a dictate, you lobby include and the dictate is automatically active on the design. For example with the “shutdown” dictate on a border, automatically disables the border. Now, there are two Router Configuration Modes (or access modes):
User EXEC Mode: Allows the administrator to access solely imperfect monitoring tips. You cannot actually make any configurations from this form. The dictate provoke on this form is “router>”
Privileged EXEC Mode: Allows the administrator to access all design tips, such as those tattered for configuration and management, and can be password cosseted to allocate solely authorized users to access the design at this “full-access” rendition. This form is also called allow form because you get to it using the allow dictate. The dictate provoke on this form is “router#”. From the privileged EXEC form you can begin configuring the design by typing “configure terminal”.
Router depart Types
A Cisco router has four depart types:
ROM: This is wherein the marker libretto of the router is located. The marker software (Power On nature Test) is tattered during startup to playhouse the early hardware glance of the design. The ROM also holds a mini-IOS tattered for password recovery.
RAM: This is wherein the managing configuration is located. After the originate boots up, the IOS software is wealthy into RAM. Also, RAM holds routing tables, interact parameters during function etc. When configuring the router, we actually mutation the running-configuration which as we said is stored into RAM
NVRAM: When we economize the running-configuration (using the pronounce “write”) it is stored into the NVRAM and becomes the startup-configuration. After rebooting the router, the startup-configuration is wealthy from the NVRAM.
Flash: This is like the hard disk of a PC. It holds the IOS software idea keep and any help configurations that you might economize from time to time.
When you challenge the “show running-configuration” pronounce on the router you instruct the originate to parade the open managing configuration in RAM. When you challenge the “show startup-configuration” pronounce you instruct the router to parade the stored configuration in the NVRAM.
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Article Source: CCNA Certification Exam Prep – Cisco IOS Router Operation Tutorial
Just like many other computer owners, you might have already encountered several problems with your PC. Error messages are quite common especially those with internet connection. By simply surfing the internet, your computer is already prone to different kinds of viruses. What causes unknown error messages on your PC?
Error message #401 or 403 appears on the computer screen. This is often caused by accessing a certain webpage that is not authorized by the host. You can always try to access the page again but if the message continues to appear, its time to stop accessing it. The error is also called ‘connection refused by host’.
Error # 404 is also called ‘file contains no data’. If this error message appears on the screen, it means that the page you’re trying to access doesn’t exist. Don’t panic because it will do no harm to your computer. Just like error 401 or 403, you can type the address again but if the error appears repeatedly, then the page doesn’t really exist.
Error message #400 is caused by entering a wrong address or by entering an address that doesn’t exist. It also means ‘unable to locate server’ and ‘failed DNS lookup’.
If you see error message #503, this means that the ISP or web server is down. If the message continues to appear, you need to check the connection, router, and modem. If all these equipments are functioning properly, the service provider has a problem. After a few minutes, try the internet once more. If the error message appears, you need to contact the ISP.
If a website is removed, busy, or down, an error message which says – ‘host unknown’ or ‘host unavailable’ will often appear. Just follow the steps mentioned earlier and you will be able to solve the problem.
Suppose you get an error message which says – ‘bad file request’, you should consider sending a message to the website’s webmaster. The message is caused by the improper site function.
These are the common error messages. To some knowledgeable computer users, these messages are natural because they are already used to getting such messages. However some computer users are not aware of these error messages and so they regard them as unknown error messages. By simply reading and understanding what caused these error messages, you will know what to do.
Computer owners should understand what the error messages mean so that they will not freak out once the message appears. Now that you know the causes, you will know what to do. There are still other error messages that can appear on the computer screen. But by thorough research, you can determine the causes of such messages. This is a very effective way to deal with computer problems like error messages. Spend some time with your researches. Make use of the internet. You can find a lot of information resources there. Gather all the possible information you can get about unknown error messages. Read about them and make sure that you understand.
What causes unknown error messages on your pc? The most common causes are already stated earlier. Try to identify the possible cause of the error message so that you will know what to do. Whenever you encounter a computer problem like error messages, don’t panic because it’s very easy to resolve.
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Article Source: What Causes Unknown Error Messages on Your PC?
Routers are used by most people who access the free Internet. In today’s highly technological society, wireless routers are sophisticated and easy to use. The best part is there are no cables to worry about.
The only difference between a regular router and a wireless router is that there is no need to hook anything up directly. Most laptops and computers can automatically sync up with wireless routers.
Although not all computers can link with a wireless router easily, there is a solution. A wireless device can be installed, sometimes in the form of a USB drive, which enables connections.
Wireless routers can still function in a regularly wired environment. The only thing necessary to connect nodes to the router is to set them to the same channel, or band. Whether you are using a LAN, WAN, or the Internet, a wireless router will work in any situation.
In addition to laptops and desktops, any networking devices can be added in to a network. By having all of your electronics connected, completing basic tasks is much simpler.
Just like a traditional router, a wireless router must be connected to a modem. In most wireless routers, this is the only place where a cord is necessary.
Routers greatly simplify the process of connecting to a network. While most people technically don’t need a router, there is no question that they are helpful. They enable one to easily connect multiple computers while maintaining speed.
There are costly wireless routers on the market which have amazing capabilities and speeds. However, these prestigious routers are not necessary for basic functions, and should only be bought if absolutely needed.
The author is the owner of http://cheapelectronicswarehouse.com, a site which has dozens of reviews of cheap electronics.
Article Source: Advantages of Owning a Wireless Router