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| 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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