MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
Which gates are ideal for checking the parity bits? |
| A. | AND |
| B. | NAND |
| C. | EX-OR |
| D. | EX-NOR |
| Answer» D. EX-NOR | |
| 2. |
Which error detection method can detect a single-bit error? |
| A. | Simple parity check |
| B. | Two-dimensional parity check |
| C. | CRC |
| D. | Checksum |
| Answer» C. CRC | |
| 3. |
If odd parity is used for ASCII error detection, the number of 0s per 8-bit symbol is _______ |
| A. | Indeterminate |
| B. | 42 |
| C. | Even |
| D. | Odd |
| Answer» B. 42 | |
| 4. |
The odd parity output of decimal number 9 is ___________ |
| A. | 0 |
| B. | 1 |
| C. | 1001 |
| D. | 0011 |
| Answer» C. 1001 | |
| 5. |
Which error detection method involves polynomials? |
| A. | Simple parity check |
| B. | CRC |
| C. | Two-dimensional parity check |
| D. | Checksum |
| Answer» C. Two-dimensional parity check | |
| 6. |
The BCD number 101011 has _______ priority. |
| A. | Even |
| B. | Odd |
| C. | Both even and odd |
| D. | Undefined |
| Answer» B. Odd | |
| 7. |
What is a parity bit? |
| A. | An error detection is achieved by adding an extra bit |
| B. | After addition, the carry is found |
| C. | Bit generated during data transmission |
| D. | After addition, the total number of bits |
| Answer» B. After addition, the carry is found | |
| 8. |
How many types of parity bits are found? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 1 |
| Answer» B. 3 | |
| 9. |
Which error detection method consists of just one redundant bit per data unit? |
| A. | Simple parity check |
| B. | Two-dimensional parity check |
| C. | CRC |
| D. | Checksum |
| Answer» B. Two-dimensional parity check | |
| 10. |
Which error detection method uses one s complement arithmetic? |
| A. | Simple parity check |
| B. | Two-dimensional parity check |
| C. | CRC |
| D. | Checksum |
| Answer» E. | |