MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The output of latches will remain in set/reset untill ___________ |
| A. | The trigger pulse is given to change the state |
| B. | Any pulse given to go into previous state |
| C. | They don t get any pulse more |
| D. | The pulse is edge-triggered |
| Answer» B. Any pulse given to go into previous state | |
| 2. |
In S-R flip-flop, if Q = 0 the output is said to be ___________ |
| A. | Set |
| B. | Reset |
| C. | Previous state |
| D. | Current state |
| Answer» C. Previous state | |
| 3. |
The basic latch consists of ___________ |
| A. | Two inverters |
| B. | Two comparators |
| C. | Two amplifiers |
| D. | Two adders |
| Answer» B. Two comparators | |
| 4. |
The sequential circuit is also called ___________ |
| A. | Flip-flop |
| B. | Latch |
| C. | Strobe |
| D. | Adder |
| Answer» C. Strobe | |
| 5. |
The logic circuits whose outputs at any instant of time depends only on the present input but also on the past outputs are called ________________ |
| A. | Combinational circuits |
| B. | Sequential circuits |
| C. | Latches |
| D. | Flip-flops |
| Answer» C. Latches | |
| 6. |
When both inputs of a J-K flip-flop cycle, the output will ___________ |
| A. | Be invalid |
| B. | Change |
| C. | Not change |
| D. | Toggle |
| Answer» D. Toggle | |
| 7. |
One example of the use of an S-R flip-flop is as ___________ |
| A. | Transition pulse generator |
| B. | Racer |
| C. | Switch debouncer |
| D. | Astable oscillator |
| Answer» D. Astable oscillator | |