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Shift Registers

Q1: An 8-bit serial in/serial out shift register is used with a clock frequency of 2 MHz to achieve a time delay (td) of ________.

A 16 s

B 8 s

C 4 s

D 2 s

ANS:C - 4 s

Since,
Q=N*T.

Where,
Q = delay of flip flop.
T = time or 1/f.
N = number or register so,

So,
8/2=4us.



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