Q.

The data written in flip-flop remains stored as long as                      

A. d.c. power is supplied
B. d.c. power is removed
C. a.c. power is supplied
D. a.c. power is removed
Answer» A. d.c. power is supplied
Explanation: since flip-flops are made up of semiconductor materials. so, it can’t accept a.c. source and the data written in flip-flop remains stored as long as the dc power is maintained.
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