Shift Registers

Q1: To serially shift a nibble (four bits) of data into a shift register, there must be ________.

A four clock pulses

B one clock pulse for each 1 in the data

C one clock pulse

D eight clock pulses

ANS:B - four clock pulses

FFs are arranged to form shift registers. FF has only one bit storage.

So 4 clock pulses are needed.

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