MCQOPTIONS
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MCQOPTIONS
This section includes 20 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 number of logic gates and the way of their interconnections can be classified as ____________ |
| A. | Logical network |
| B. | System network |
| C. | Circuit network |
| D. | Gate network |
| Answer» B. System network | |
| 2. |
Decimal digit in BCD can be represented by ____________ |
| A. | 1 input line |
| B. | 2 input lines |
| C. | 3 input lines |
| D. | 4 input lines |
| Answer» E. | |
| 3. |
Complement of F’ gives back __________ |
| A. | F’ |
| B. | F |
| C. | FF |
| D. | FF’ |
| Answer» C. FF | |
| 4. |
The simplified expression of full adder carry is ____________ |
| A. | c = xy+xz+yz |
| B. | c = xy+xz |
| C. | c = xy+yz |
| D. | c = x+y+z |
| Answer» B. c = xy+xz | |
| 5. |
3 bits full adder contains ____________ |
| A. | 3 combinational inputs |
| B. | 4 combinational inputs |
| C. | 6 combinational inputs |
| D. | 8 combinational inputs |
| Answer» E. | |
| 6. |
The addition of two decimal digits in BCD can be done through ____________ |
| A. | BCD adder |
| B. | Full adder |
| C. | Ripple carry adder |
| D. | Carry look ahead |
| Answer» B. Full adder | |
| 7. |
The output sum of two decimal digits can be represented in ____________ |
| A. | Gray Code |
| B. | Excess-3 |
| C. | BCD |
| D. | Hexadecimal |
| Answer» D. Hexadecimal | |
| 8. |
BCD adder can be constructed with 3 IC packages each of ____________ |
| A. | 2 bits |
| B. | 3 bits |
| C. | 4 bits |
| D. | 5 bits |
| Answer» D. 5 bits | |
| 9. |
29 input circuit will have total of ____________ |
| A. | 32 entries |
| B. | 128 entries |
| C. | 256 entries |
| D. | 512 entries |
| Answer» E. | |
| 10. |
The decimal number system represents the decimal number in the form of ____________ |
| A. | Hexadecimal |
| B. | Binary coded |
| C. | Octal |
| D. | Decimal |
| Answer» C. Octal | |
| 11. |
DECIMAL_DIGIT_IN_BCD_CAN_BE_REPRESENTED_BY?$ |
| A. | 1 input line |
| B. | 2 input lines |
| C. | 3 input lines |
| D. | 4 input lines |
| Answer» E. | |
| 12. |
The number of logic gates and the way of their interconnections can be classified as$ |
| A. | Logical network |
| B. | System network |
| C. | Circuit network |
| D. | Gate network |
| Answer» B. System network | |
| 13. |
Complement of F’ gives bac?# |
| A. | F’ |
| B. | F |
| C. | FF |
| D. | undefined variable |
| Answer» C. FF | |
| 14. |
The simplified expression of full adder carry is |
| A. | c = xy+xz+yz |
| B. | c = xy+xz |
| C. | c = xy+yz |
| D. | c = x+y+z |
| Answer» B. c = xy+xz | |
| 15. |
3 bits full adder contains |
| A. | 3 combinational inputs |
| B. | 4 combinational inputs |
| C. | 6 combinational inputs |
| D. | 8 combinational inputs |
| Answer» E. | |
| 16. |
The addition of two decimal digits in BCD can be done through |
| A. | BCD adder |
| B. | Full adder |
| C. | Ripple carry adder |
| D. | Carry look ahead |
| Answer» B. Full adder | |
| 17. |
The output sum of two decimal digits can be represented in |
| A. | Gray Code |
| B. | Excess-3 |
| C. | BCD |
| D. | Hexadecimal |
| Answer» D. Hexadecimal | |
| 18. |
BCD adder can be constructed with 3 IC packages each of |
| A. | 2 bits |
| B. | 3 bits |
| C. | 4 bits |
| D. | 5 bits |
| Answer» D. 5 bits | |
| 19. |
2^9 input circuit will have total of |
| A. | 32 entries |
| B. | 128 entries |
| C. | 256 entries |
| D. | 512 entries |
| Answer» E. | |
| 20. |
The decimal number system represent the decimal number in the form of |
| A. | Hexadecimal |
| B. | Binary coded |
| C. | Octal |
| D. | Decimal |
| Answer» C. Octal | |