MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The pin that strobes the higher byte of the memory address, generated by the DMA controller into the latches is |
| A. | AEN |
| B. | ADSTB |
| C. | TC |
| D. | None of the mentioned |
| Answer» C. TC | |
| 2. |
The pin that is used to write data to the addressed memory location, during DMA write operation is |
| A. | MEMR (active low) |
| B. | AEN |
| C. | MEMW (active low) |
| D. | IOW (active low) |
| Answer» D. IOW (active low) | |
| 3. |
The pin that requests the access of the system bus is |
| A. | HLDA |
| B. | HRQ |
| C. | ADSTB |
| D. | None of the mentioned |
| Answer» C. ADSTB | |