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This is a free sample preview of the essay
Modems
Beginning of essay
are used to connect two computers over a phone line. Modem is
short for Modulator Demodulator. It's a device that converts data from digital
computer signals to analog signals that can be sent over a phone line. This is
called modulation. The analog signals are then converted back into digital dat ....
Middle of essay
....or improvement will have to come from the telephone companies,
when they start laying down fibber-optic cables so we can have integrated
services digital network (ISDN) . The thing that makes digital modems better
than analog is because with analog modem transmission errors are very frequent
which results in your modem freezing or just freaking out. These errors are
caused mainly by some kind of noise on the line due to lightning storms,
sunspots, and other fascinating electromagnetic phenomena.... |
| Number of words: 2432 |
Approximate pages: 9 |
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