MCQOPTIONS
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MCQOPTIONS
This section includes 25 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 classic multivibrator circuit is known as ____________ |
| A. | Metal-coupled multivibrator |
| B. | Plate-coupled multivibrator |
| C. | Parallel-plate coupled multivibrator |
| D. | Alternate-plate coupled multivibrator |
| Answer» C. Parallel-plate coupled multivibrator | |
| 2. |
Monostable multivibrator can also be termed as ____________ |
| A. | Full astable multivibrator |
| B. | Half astable multivibrator |
| C. | Half bistable multivibrator |
| D. | Full bistable multivibrator |
| Answer» C. Half bistable multivibrator | |
| 3. |
In an astable multivibrator, the amplifying elements are ____________ |
| A. | FET |
| B. | JFET |
| C. | OP-AMP |
| D. | All of the Mentioned |
| Answer» E. | |
| 4. |
Astable circuit acts as a/an ____________ |
| A. | Amplifier |
| B. | Oscillator |
| C. | Relaxation oscillator |
| D. | Multiplexer |
| Answer» D. Multiplexer | |
| 5. |
Bistable circuit is also known as ____________ |
| A. | Latch |
| B. | Gate |
| C. | Flip-flop |
| D. | Bidirectional circuit |
| Answer» D. Bidirectional circuit | |
| 6. |
Bistable multivibrator is ________ in any state. |
| A. | Stable |
| B. | Unstable |
| C. | Saturated |
| D. | Independent |
| Answer» B. Unstable | |
| 7. |
Multivibrators are characterized by ____________ |
| A. | Registers |
| B. | Capacitors |
| C. | Transistors |
| D. | All of the Mentioned |
| Answer» E. | |
| 8. |
A multivibrator is an electronic circuit used to implement ____________ |
| A. | Oscillator |
| B. | Timer |
| C. | Flip-flop |
| D. | All of the Mentioned |
| Answer» E. | |
| 9. |
Consider the following statements:1. A Schmitt trigger circuit can be emitter-coupled bi-stable circuit.2. Schmitt trigger circuit exhibits hysteresis phenomenon.3. The output of a Schmitt trigger will be triangular if the input is square wave.Which of these statements are correct? |
| A. | 1, 2 and 3 |
| B. | 1 and 2 only |
| C. | 2 and 3 only |
| D. | 1 and 3 only |
| Answer» C. 2 and 3 only | |
| 10. |
A monostable multivibrator requires |
| A. | no driving pulse for generation of output cycles |
| B. | one driving pulse for each output cycle |
| C. | two driving pulses for each output cycle |
| D. | four driving pulses for each output cycle |
| Answer» C. two driving pulses for each output cycle | |
| 11. |
For which of the following functions can a Schmitt trigger be used? |
| A. | Pulse shaping |
| B. | Blocking |
| C. | Amplification |
| D. | Filtering |
| Answer» B. Blocking | |
| 12. |
A monostable multivibrator is frequently used: |
| A. | in memory and timing circuits |
| B. | for regeneration of distorted waves |
| C. | in counting circuits |
| D. | for producing triangular waves |
| Answer» C. in counting circuits | |
| 13. |
A bistable multi-vibrator that functions as a voltage comparator with hysteresis is called |
| A. | T flip-flop |
| B. | D flip-flop |
| C. | J-K flip-flop |
| D. | Schmitt trigger |
| Answer» E. | |
| 14. |
In order to obtain repetitive pulses of unequal mark space durations one can use:1. A voltage comparator fed with a triangular wave signal and a dc voltage.2. An astable multi-vibrator.3. A mono-stable multi-vibrator fed with a square wave input. |
| A. | 1 and 3 only |
| B. | 1 and 2 only |
| C. | 2 and 3 only |
| D. | 1, 2 and 3 |
| Answer» B. 1 and 2 only | |
| 15. |
A Schmitt trigger is a digital circuit that produces |
| A. | triangular output for sinusoidal input |
| B. | sinusoidal output for any type of input |
| C. | trapezoidal output for any type of input |
| D. | rectangular output for any type of input |
| Answer» E. | |
| 16. |
IN_AN_ASTABLE_MULTIVIBRATOR,_THE_AMPLIFYING_ELEMENTS_ARE:?$ |
| A. | FET |
| B. | JFET |
| C. | OP-AMP |
| D. | All of the Mentioned |
| Answer» E. | |
| 17. |
The classic multivibrator circuit is known as$ |
| A. | Metal-coupled multivibrator |
| B. | Plate-coupled multivibrator |
| C. | Parallel-plate coupled multivibrator |
| D. | None of the Mentioned |
| Answer» C. Parallel-plate coupled multivibrator | |
| 18. |
Monostable_multivibrator_can_also_be_termed_as:$ |
| A. | Full astable multivibrator |
| B. | Half astable multivibrator |
| C. | Half bistable multivibrator |
| D. | Full bistable multivibrator |
| Answer» C. Half bistable multivibrator | |
| 19. |
Astable circuit acts as a/a? |
| A. | Amplifier |
| B. | Oscillator |
| C. | Relaxation oscillator |
| D. | Multiplexer |
| Answer» D. Multiplexer | |
| 20. |
Bistable circuit is also known as |
| A. | Latch |
| B. | Gate |
| C. | Flip-flop |
| D. | Bidirectional circuit |
| Answer» D. Bidirectional circuit | |
| 21. |
Monostable multivibrator is/has ________ state. |
| A. | Stable |
| B. | Unstable |
| C. | One stable and another unstable |
| D. | Independent |
| Answer» C. One stable and another unstable | |
| 22. |
Astable multivibrator is ________ in any state. |
| A. | Stable |
| B. | Unstable |
| C. | Saturated |
| D. | Both a & c |
| Answer» C. Saturated | |
| 23. |
How many types of multivibrators are? |
| A. | 2 |
| B. | 4 |
| C. | 5 |
| D. | 3 |
| Answer» E. | |
| 24. |
Multivibrators are characterized by |
| A. | Registers |
| B. | Capacitors |
| C. | Transistors |
| D. | All of the Mentioned |
| Answer» E. | |
| 25. |
A multivibrator is an electronic circuit used to implement |
| A. | Oscillator |
| B. | Timer |
| C. | Flip-flop |
| D. | All of the Mentioned |
| Answer» E. | |