GATE 1997

Question 13

Purpose of a start bit in RS 232 serial communication protocol is

A	to synchronize receiver for receiving every byte
B	to synchronize receiver for receiving a sequence of bytes
C	a parity bit
D	to synchronize receiver for receiving the last byte

Question 13 Explanation:

RS-232 needs a start before each byte transmission for synchronization.

Correct Answer: A

Question 13 Explanation:

RS-232 needs a start before each byte transmission for synchronization.

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