a very important role in a computer. A modem allows you to connect to the Internet, download music, and browse the Internet. A Network Card allows computers to talk between each other. Network Cards today are also used like a modems, which is know as DSL, Cable, T1, and T3. The speed of DSL, Cable, T1 and T3 is a lot greater than on a regular modem.Video Card plays a very important role in a computer. With out a Video Card the computer will not be able to display any kinds of pictures. Video Cards display High Quality Resolution, that allows you to see a very clear and sharp images on your computer. The newest Video Card on the market is called AGP, which stands for Advanced Graphic Port.And finally the very last part you need in a computer is a Sound Card. Sound Card allows for Audio Playback, listen to the radio on the Internet, listen to dialogs if you are watching a movie, and record MP3 files. The very first computers did not have any sound on them what so ever, but today a Sound Card in a computer is a “must”....
