MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Vlsi knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
PRIMITIVE_POLYNOMIALS_ARE_THOSE_WHICH?$ |
| A. | has intial state zero |
| B. | which gives maximal length sequence |
| C. | which does not give maximal length sequence |
| D. | which has AND gate per flip-flop |
| Answer» C. which does not give maximal length sequence | |
| 2. |
In LFSR, the test patterns are repeatable.$ |
| A. | true |
| B. | false |
| Answer» B. false | |
| 3. |
LFSR has _____? |
| A. | EX-OR gates |
| B. | AND gates |
| C. | OR gates |
| D. | EX-OR and AND gates |
| Answer» B. AND gates | |
| 4. |
The zero coefficient terms determines the number of EX-OR gates to be used. |
| A. | true |
| B. | false |
| Answer» C. | |
| 5. |
______ determines the position of EX-OR gate with respect to fip-flops |
| A. | maximal length sequence |
| B. | value of n |
| C. | number of flip-flops |
| D. | characteristic equation |
| Answer» E. | |
| 6. |
For n-bit LFSR, the longest possible sequence is given by |
| A. | 2<sup>n</sup> |
| B. | 2<sup>n</sup> + 1 |
| C. | 2<sup>n</sup>– 1 |
| D. | 1/2<sup>n</sup> |
| Answer» D. 1/2<sup>n</sup> | |
| 7. |
The initial state in LFSR must be initialized to zero. |
| A. | true |
| B. | false |
| Answer» C. | |
| 8. |
Which method has more uniformity? |
| A. | internal feedback LFSR |
| B. | external feedback LFSR |
| C. | all of the mentioned |
| D. | none of the mentioned |
| Answer» C. all of the mentioned | |
| 9. |
Which uses highest operating frequency? |
| A. | internal feedback LFSR |
| B. | external feedback LFSR |
| C. | both internal and external LFSR |
| D. | counters |
| Answer» B. external feedback LFSR | |
| 10. |
In external feedback LFSR, shift registers and feedback paths are combined using |
| A. | OR gates |
| B. | AND gates |
| C. | EX-OR gates |
| D. | NAND gates |
| Answer» D. NAND gates | |
| 11. |
Linear feedback shift register occupies more area. |
| A. | true |
| B. | false |
| Answer» C. | |