MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Vlsi knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Current flows only when |
| A. | RD is low |
| B. | RD is high |
| C. | RD raises exponentially high |
| D. | RD comes exponentially down |
| Answer» C. RD raises exponentially high | |
| 2. |
A bit can be stored when |
| A. | RD is low, WR is low |
| B. | RD is high, WR is low |
| C. | RD is low, WR is high |
| D. | RD is high, WR is high |
| Answer» B. RD is high, WR is low | |
| 3. |
A bit is read at T1 when |
| A. | RD is low, WR is low |
| B. | RD is high, WR is low |
| C. | RD is low, WR is high |
| D. | RD is high, WR is high |
| Answer» D. RD is high, WR is high | |
| 4. |
Clock signal Φ2 is to |
| A. | write data |
| B. | read data |
| C. | refresh data |
| D. | store data |
| Answer» D. store data | |
| 5. |
A_BIT_CAN_BE_STORED_WHEN?$ |
| A. | RD is low, WR is low |
| B. | RD is high, WR is low |
| C. | RD is low, WR is high |
| D. | RD is high, WR is high |
| Answer» B. RD is high, WR is low | |
| 6. |
Current flows only when$ |
| A. | RD is low |
| B. | RD is high |
| C. | RD raises exponentially high |
| D. | RD comes exponentially down |
| Answer» C. RD raises exponentially high | |
| 7. |
A bit is read at T1 whe? |
| A. | RD is low, WR is low |
| B. | RD is high, WR is low |
| C. | RD is low, WR is high |
| D. | RD is high, WR is high |
| Answer» D. RD is high, WR is high | |
| 8. |
Data storage time is |
| A. | 1 milli second |
| B. | 1 second |
| C. | 1 minute |
| D. | 10 seconds |
| Answer» B. 1 second | |
| 9. |
The impedance of pull down transistor in nMOS can be given as |
| A. | 2Rs |
| B. | 4Rs |
| C. | 1/2 Rs |
| D. | 1/4 Rs |
| Answer» D. 1/4 Rs | |
| 10. |
In which design, dissipation is less? |
| A. | nMOS |
| B. | pMOS |
| C. | CMOS |
| D. | BiCMOS |
| Answer» D. BiCMOS | |
| 11. |
Which occupies lesser area? |
| A. | nMOS |
| B. | pMOS |
| C. | CMOS |
| D. | BiCMOS |
| Answer» B. pMOS | |
| 12. |
Factor for assessment of storage elements are |
| A. | volatility |
| B. | non volatility |
| C. | number of bits |
| D. | data repeatability |
| Answer» B. non volatility | |
| 13. |
Data is read |
| A. | before Φ1 |
| B. | after Φ1 |
| C. | before Φ2 |
| D. | after Φ2 |
| Answer» C. before ‚âà√≠¬¨‚àÇ2 | |
| 14. |
Clock signal Φ2 is to$ |
| A. | write data |
| B. | read data |
| C. | refresh data |
| D. | store data |
| Answer» D. store data | |
| 15. |
Which clock is preferred in storage devices? |
| A. | single phase overlapping clock signal |
| B. | single phase non overlapping clock signal |
| C. | two phase overlapping clock signal |
| D. | two phase non overlapping clock signal |
| Answer» E. | |