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 of the following combine an MC68000/MC68020 type of processor with peripheral and DMA controllers? |
| A. | Intel 8237 |
| B. | Intel 8253 |
| C. | MC68300 |
| D. | MC68000 |
| Answer» D. MC68000 | |
| 2. |
WHICH_OF_THE_FOLLOWING_COMBINE_AN_MC68000/MC68020_TYPE_OF_PROCESSOR_WITH_PERIPHERAL_AND_DMA_CONTROLLERS??$ |
| A. | Intel 8237 |
| B. | Intel 8253 |
| C. | MC68300 |
| D. | MC68000 |
| Answer» D. MC68000 | |
| 3. |
Which DMA is programmed with higher level software? |
| A. | DMA controller |
| B. | DMA address |
| C. | DMA peripheral |
| D. | DMA CPU |
| Answer» E. | |
| 4. |
Which of the following requires its own local memory and program? |
| A. | DMA controller |
| B. | DMA address |
| C. | DMA CPU |
| D. | DMA peripheral |
| Answer» D. DMA peripheral | |
| 5. |
Which cycle can support the burst and single transfer mode? |
| A. | internal |
| B. | external |
| C. | both internal and external |
| D. | address cycle |
| Answer» C. both internal and external | |
| 6. |
Which of the following consist of a fully programmable DMA controller of two channels? |
| A. | MC68300 |
| B. | Intel 8237 |
| C. | Intel 8253 |
| D. | Intel 8254 |
| Answer» B. Intel 8237 | |
| 7. |
Which of the following is used for supporting the priority scheme? |
| A. | address transfer mode |
| B. | arbitration |
| C. | counter |
| D. | timer |
| Answer» C. counter | |
| 8. |
Which of the following transfer mode can refresh the DRAM memory? |
| A. | verify transfer mode |
| B. | bloch transfer mode |
| C. | demand transfer mode |
| D. | cascade mode |
| Answer» B. bloch transfer mode | |
| 9. |
Identify the additional transfer mode in the Intel 8237? |
| A. | single transfer mode |
| B. | demand transfer mode |
| C. | verify transfer mode |
| D. | block transfer mode |
| Answer» D. block transfer mode | |
| 10. |
Which of the following have four transfer modes? |
| A. | Intel 8253 |
| B. | Intel 8254 |
| C. | Intel 8259 |
| D. | Intel 8237 |
| Answer» E. | |
| 11. |
Which of the following DMA is used in the IBM PC? |
| A. | Intel 8253 |
| B. | Intel 8254 |
| C. | Intel 8237 |
| D. | Intel 8259 |
| Answer» D. Intel 8259 | |