MCQOPTIONS
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MCQOPTIONS
This section includes 17 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 flag bits in an ALU is defined as ____________ |
| A. | The total number of registers |
| B. | The status bit conditions |
| C. | The total number of control lines |
| D. | All of the Mentioned |
| Answer» C. The total number of control lines | |
| 2. |
If the two numbers include a sign bit in the highest order position, the bit conditions of interest are the sign of the result, a zero indication and ___________ |
| A. | An underflow condition |
| B. | A neutral condition |
| C. | An overflow condition |
| D. | One indication |
| Answer» D. One indication | |
| 3. |
If the two numbers are unsigned, the bit conditions of interest are the ______ carry and a possible _____ result. |
| A. | Input, zero |
| B. | Output, one |
| C. | Input, one |
| D. | Output, zero |
| Answer» E. | |
| 4. |
The design of an ALU is based on ____________ |
| A. | Sequential logic |
| B. | Combinational logic |
| C. | Multiplexing |
| D. | De-Multiplexing |
| Answer» C. Multiplexing | |
| 5. |
All logic operations can be obtained by means of ____________ |
| A. | AND and NAND operations |
| B. | OR and NOR operations |
| C. | OR and NOT operations |
| D. | NAND and NOR operations |
| Answer» E. | |
| 6. |
Procedure for the design of combinational circuits are: |
| A. | B, C, D, E, A |
| B. | A, D, E, B, C |
| C. | A, B, E, C, D |
| D. | B, A, E, C, DView Answer |
| Answer» D. B, A, E, C, DView Answer | |
| 7. |
A digital system consists of _____ types of circuits. |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» B. 3 | |
| 8. |
The basic building blocks of the arithmetic unit in a digital computers are ____________ |
| A. | Subtractors |
| B. | Adders |
| C. | Multiplexer |
| D. | Comparator |
| Answer» C. Multiplexer | |
| 9. |
THE_FLAG_BITS_IN_AN_ALU_IS_DEFINED_AS?$ |
| A. | The total number of registers |
| B. | The status bit conditions |
| C. | The total number of control lines |
| D. | All of the Mentioned |
| Answer» C. The total number of control lines | |
| 10. |
IF_THE_TWO_NUMBERS_INCLUDE_A_SIGN_BIT_IN_THE_HIGHEST_ORDER_POSITION,_THE_BIT_CONDITIONS_OF_INTEREST_ARE_THE_SIGN_OF_THE_RESULT,_A_ZERO_INDICATION_AND?$ |
| A. | An underflow condition |
| B. | A neutral condition |
| C. | An overflow condition |
| D. | None of the Mentioned |
| Answer» D. None of the Mentioned | |
| 11. |
If the two numbers are unsigned, the bit conditions of interest are the ______ carry and a possible _____ result? |
| A. | Input, zero |
| B. | Output, one |
| C. | Input, one |
| D. | Output, zero |
| Answer» E. | |
| 12. |
The design of an ALU is based on |
| A. | Sequential logic |
| B. | Combinational logic |
| C. | Multiplexing |
| D. | None of the Mentioned |
| Answer» C. Multiplexing | |
| 13. |
All logic operations can be obtained by means of |
| A. | AND and NAND operations |
| B. | OR and NOR operations |
| C. | OR and NOT operations |
| D. | AND, OR and NOT operations |
| Answer» E. | |
| 14. |
In a sequential circuit, the output at any time depends only on the input values at that time. |
| A. | Past output values |
| B. | Intermediate values |
| C. | Present input values |
| D. | None of the Mentioned |
| Answer» D. None of the Mentioned | |
| 15. |
In a combinational circuit, the output at any time depends only on the _______ at that time. |
| A. | Voltage |
| B. | Intermediate values |
| C. | Input values |
| D. | None of the Mentioned |
| Answer» D. None of the Mentioned | |
| 16. |
A digital system consists of _____ types of circuits. |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» B. 3 | |
| 17. |
The basic building blocks of the arithmetic unit in a digital computers are |
| A. | Subtractors |
| B. | Adders |
| C. | Multiplexer |
| D. | None of the Mentioned |
| Answer» C. Multiplexer | |