Most of the computer modems allow faxing capabilities to you. At the same time, many portable modems are extremely easy to connect you to the world of Internet. A simple modem includes a box which connects to a telephone line on the back of the box and a wire connecting to the computer. Mainly, the speed of connection depends upon the computer. All the models work in the same manner as they connect you to internet.
If we talk about around 5-6 years ago, most of the computer includes external computer modems that are heavy and need some space. Moreover the web of wires also makes it complex. There are generally two types of computer modems, external and internal. The external one resides on your desk and a phone line connects to it, this is plugs into the back of your computer. On the other hand, internal modems come inbuilt connected with the CPU. This not only saves space but less giggle with wires. Both of them do the same thing.
The main function of a modem is to send and receive data. Most of computer modems are user-friendly. They allow you to check mails, send a message to your friend or even play fantastic games. In order to get online on internet you need a modem.
Basically a computer modem is a device that modulates an analog carrier signal to encode digital information and also demodulates such a carrier signal to decode the transmitted data information. The aim is to generate a signal that can be transmitted easily and decoded to regenerate the original digital data.
If you're looking to buy a computer modem, then I would suggest searching for it online. It allows you to check and compare different products at the same time. There are numerous shopping sites that provide computer modems at great prices.
Twindi.com is an online shopping portal where you can search for various computer hardware including computer modems and more.