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. |
In RTL NOR gate, the output is at logic 1 only when all the inputs are at ___________ |
| A. | logic 0 |
| B. | logic 1 |
| C. | +10v |
| D. | floating |
| Answer» B. logic 1 | |
| 2. |
All input of NOR as low produces result as ___________ |
| A. | Low |
| B. | Mid |
| C. | High |
| D. | High Impedance |
| Answer» D. High Impedance | |
| 3. |
The latest entrant to the ECL family is ___________ |
| A. | ECL 10K |
| B. | ECL 100K |
| C. | ECL 1000K |
| D. | ECL 10000K |
| Answer» C. ECL 1000K | |
| 4. |
Motorola has offered MECL circuits in ______ logic families. |
| A. | 3 |
| B. | 4 |
| C. | 5 |
| D. | 6 |
| Answer» D. 6 | |
| 5. |
The full form of MECL is ___________ |
| A. | Mono emitter coupled logic |
| B. | Motorola emitter coupled logic |
| C. | Motorola emitter capacitor logic |
| D. | Both mono emitter and motorola coupled logic |
| Answer» C. Motorola emitter capacitor logic | |
| 6. |
The basic idea of basic CML circuit came from an ___________ |
| A. | Inverter |
| B. | Buffer |
| C. | Transistor |
| D. | Both inverter and buffer |
| Answer» E. | |
| 7. |
Schottky families prevent the saturating using ___________ |
| A. | Transistors |
| B. | Schottky transistors |
| C. | Diodes |
| D. | Schottky diodes |
| Answer» E. | |
| 8. |
The key to propagation delay in bipolar logic family is to prevent the transistors in a gate from ___________ |
| A. | Fan-in |
| B. | Fan-out |
| C. | Saturation |
| D. | Cut-off |
| Answer» D. Cut-off | |
| 9. |
Commercial ECL families are not nearly as popular as TTL and CMOS mainly because they ___________ |
| A. | Produces too much noise |
| B. | Consume too much power |
| C. | Have high fan-in |
| D. | Have high fan-out |
| Answer» C. Have high fan-in | |
| 10. |
The first CML logic was introduced by General Electric in ___________ |
| A. | 1960 |
| B. | 1981 |
| C. | 1961 |
| D. | 1990 |
| Answer» D. 1990 | |
| 11. |
The method of connecting a driving device to a loading device is known as ___________ |
| A. | Compatibility |
| B. | Interface |
| C. | Sourcing |
| D. | Sinking |
| Answer» C. Sourcing | |
| 12. |
Compatibility refers to ____________ |
| A. | The output of a circuit should match with the input of another circuit |
| B. | The output of a circuit should match with the input of the same circuit |
| C. | The input of a circuit should match with the output of another circuit |
| D. | The input of a circuit should match with the output of same circuit |
| Answer» B. The output of a circuit should match with the input of the same circuit | |