MCQOPTIONS
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MCQOPTIONS
This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Vlsi knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
D-algorithm is time intensive for large circuits. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 2. |
In D-algorithm, the discrepancy is driven to _____ and observed and thus detected. |
| A. | all inputs |
| B. | particular inputs |
| C. | output |
| D. | end of the circuit |
| Answer» D. end of the circuit | |
| 3. |
The existence of fault in faulty machine causes discrepancy in behaviour of the circuit for all values on inputs. |
| A. | true |
| B. | false |
| Answer» C. | |
| 4. |
In D-algorithm, a particular ______ fault is detected by examining the _____ conditions. |
| A. | internal, output |
| B. | internal, input |
| C. | external, output |
| D. | external, input |
| Answer» B. internal, input | |
| 5. |
To propagate the fault along the selected path to primary output, setting _____ is done. |
| A. | AND to 1 |
| B. | OR to 1 |
| C. | NOR to 1 |
| D. | NAND to 0 |
| Answer» B. OR to 1 | |
| 6. |
IN_D-ALGORITHM,_DISCREPENCY_IS_DRIVEN_TO_______AND_OBSERVED_AND_THUS_DETECTED?$ |
| A. | all inputs |
| B. | particular inputs |
| C. | output |
| D. | end of the circuit |
| Answer» D. end of the circuit | |
| 7. |
D-algorithm is time intensive for large circuits.$ |
| A. | true |
| B. | false |
| Answer» B. false | |
| 8. |
The existence of fault in faulty machine causes discrepancy in behaviour of the circuit for all values on inputs? |
| A. | true |
| B. | false |
| Answer» C. | |
| 9. |
D-algorithm is based on |
| A. | existence of one fault machine |
| B. | existence of one good machine |
| C. | existence of one fault and one good machine |
| D. | existence of two fault machines alone |
| Answer» D. existence of two fault machines alone | |
| 10. |
In D-algorithm, a particular ______ fault is detected by examining the _____ conditions |
| A. | internal, output |
| B. | internal, input |
| C. | external, output |
| D. | external, input |
| Answer» B. internal, input | |
| 11. |
In consistency/ justification, tracking is done |
| A. | forward from gate input to primary input |
| B. | backwards from gate input to primary output |
| C. | backwards from gate input to primary input |
| D. | foward from gate output to primary output |
| Answer» D. foward from gate output to primary output | |
| 12. |
To propogate the fault along the selected path to primary output, setting _____ is done |
| A. | AND to 1 |
| B. | OR to 1 |
| C. | NOR to 1 |
| D. | NAND to 0 |
| Answer» B. OR to 1 | |
| 13. |
Test vectors in sensitized path-based testing is generated |
| A. | before enumerating faults |
| B. | after enumarating faults |
| C. | after designing |
| D. | before designing |
| Answer» C. after designing | |
| 14. |
Exhaustive testing is suitable when N is |
| A. | small |
| B. | large |
| C. | any value for N |
| D. | very large |
| Answer» B. large | |
| 15. |
Observability is the process of |
| A. | checking all inputs |
| B. | checking all outputs |
| C. | checking all possible inputs |
| D. | checking errors and performance |
| Answer» C. checking all possible inputs | |
| 16. |
The input signal combination in exhaustive testing is given as |
| A. | 2<sup>N </sup> |
| B. | 2<sup>1/N </sup> |
| C. | 2<sup>(M+N)</sup> |
| D. | 1/2<sup>N </sup> |
| Answer» B. 2<sup>1/N </sup> | |