Serial-Communication

Question 1

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
Computer-OrganizationSerial-CommunicationGATE 1997
Question 1 Explanation: 
RS-232 needs a start before each byte transmission for synchronization.
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