MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Microprocessors knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The operation that can be performed on the status register is |
| A. | write operation |
| B. | read operation |
| C. | read and write operations |
| D. | none of the mentioned |
| Answer» C. read and write operations | |
| 2. |
The register of 8257 that can only be written in is |
| A. | DMA address register |
| B. | Terminal count register |
| C. | Mode set register |
| D. | Status register |
| Answer» D. Status register | |
| 3. |
The priority of the channels varies frequently in |
| A. | rotating priority scheme |
| B. | fixed priority scheme |
| C. | rotating priority and fixed priority scheme |
| D. | none of the mentioned |
| Answer» B. fixed priority scheme | |