Wednesday, June 2, 2010

Connectivity Devices

The Hub's major function is to replicate data it replicate data it from one device attached to it to all others.

Any electrical signal reaching the repeater from one segment, will be amplified retransmitted to the other segment. Using repeaters slows the signals pro propagation and thus the amount of repeaters should be limited.

A modem is a device that convert digital data orginationing from a computer to analog singnal used by voice communication netwoks, Such as a the telephone system.

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