MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Embedded Systems knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which signal allows the DMA controller to select the peripheral? |
| A. | local peripheral control |
| B. | global peripheral control |
| C. | address bus |
| D. | data bus |
| Answer» B. global peripheral control | |
| 2. |
WHICH_SIGNAL_ALLOWS_THE_DMA_CONTROLLER_TO_SELECT_THE_PERIPHERAL??$ |
| A. | local peripheral control |
| B. | global peripheral control |
| C. | address bus |
| D. | data bus |
| Answer» B. global peripheral control | |
| 3. |
Which signal can identify the error? |
| A. | data bus |
| B. | address bus |
| C. | bus requester |
| D. | interrupt signal |
| Answer» E. | |
| 4. |
Which of the following is used to request the bus from the main CPU? |
| A. | data bus |
| B. | address bus |
| C. | bus requester |
| D. | interrupt signal |
| Answer» D. interrupt signal | |
| 5. |
Which of the following is used to transfer the data from the DMA controller to the destination? |
| A. | data bus |
| B. | address bus |
| C. | request bus |
| D. | interrupt signal |
| Answer» B. address bus | |
| 6. |
Which of the following of a generic DMA controller contain a base address register and an auto-incrementing counter? |
| A. | address bus |
| B. | data bus |
| C. | bus requester |
| D. | address generator |
| Answer» E. | |
| 7. |
How many address register are there for the 1D type DMA controller? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» B. 2 | |
| 8. |
How many classifications of DMA controllers are made based on the addressing capability? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» C. 4 | |
| 9. |
Which of the following have low-level buffer filling? |
| A. | output |
| B. | peripheral |
| C. | dma controller |
| D. | input |
| Answer» D. input | |
| 10. |
Which of the following can be adopted for the systems which does not contain DMA controller for data transmission? |
| A. | counter |
| B. | timer |
| C. | polling |
| D. | memory |
| Answer» D. memory | |
| 11. |
Which of the following provides an efficient method for transferring data from a peripheral to memory? |
| A. | dma controller |
| B. | serial port |
| C. | parallel port |
| D. | dual port |
| Answer» B. serial port | |