MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
HOW_MANY_TYPES_OF_SEQUENTIAL_CIRCUITS_ARE??$ |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» B. 3 | |
| 2. |
The basic latch consist of$ |
| A. | Two inverters |
| B. | Two comparators |
| C. | Two amplifiers |
| D. | None of the Mentioned |
| Answer» B. Two comparators | |
| 3. |
The_sequential_circuit_is_also_called$ |
| A. | Flip-flop |
| B. | Latch |
| C. | Strobe |
| D. | None of the Mentioned |
| Answer» C. Strobe | |
| 4. |
The circuits of NOR based S-R latch classified as asynchronous sequential circuits, why? |
| A. | Because of inverted outputs |
| B. | Because of triggering functionality |
| C. | Because of cross-coupled connection |
| D. | Both a & b |
| Answer» D. Both a & b | |
| 5. |
What is a trigger pulse? |
| A. | A pulse that starts a cycle of operation |
| B. | A pulse that reverses the cycle of operation |
| C. | A pulse that prevents a cycle of operation |
| D. | None of the Mentioned |
| Answer» B. A pulse that reverses the cycle of operation | |
| 6. |
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. | None of the Mentioned |
| Answer» B. Any pulse given to go into previous state | |
| 7. |
If_Q_=_0,_the_output_is_said_to_be |
| A. | Set |
| B. | Reset |
| C. | Previous state |
| D. | Current state |
| Answer» B. Reset | |
| 8. |
Whose operations are more faster among the following? |
| A. | Combinational circuits |
| B. | Sequential circuits |
| C. | Latches |
| D. | Flip-flops |
| Answer» B. Sequential circuits | |
| 9. |
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 | |
| 10. |
A basic S-R flip-flop can be constructed by cross-coupling of which basic logic gates? |
| A. | AND or OR gates |
| B. | XOR or XNOR gates |
| C. | NOR or NAND gates |
| D. | AND or NOR gates |
| Answer» D. AND or NOR gates | |
| 11. |
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 | |
| 12. |
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 | |