Shift Registers

Q1: An 8-bit serial in/serial out shift register is used with a clock frequency of 150 kHz. What is the time delay between the serial input and the Q3 output?

A 26.7 ms

B 267 ms

C 26.67 s

D 1.67 s

ANS:B - 26.67 s

Q0 to Q3 4shifts therefore 4/150kHz=26.67 microseconds

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