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Asyncronous Communication

Asynchronous &is any data transmission that does not link the two devices with a common data clock.

A Signal called a start bit is sent at the beginning of each segment, & a signal called a stop bit is sent at the end, these let the receiving device note the baundries(beginning & end) of a transmission packet.

Early PC modems were almost Asynchronous devices operating at speeds of no more than 18,000 bps.

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