MCQOPTIONS
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MCQOPTIONS
This section includes 17 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 ensures the recognition of the interrupt? |
| A. | interrupt ready |
| B. | interrupt acknowledge |
| C. | interrupt terminal |
| D. | interrupt start |
| Answer» C. interrupt terminal | |
| 2. |
Which of the following converts the seven external pins into a 3-bit binary code? |
| A. | priority encoder |
| B. | 4-to-2 priority encoder |
| C. | LS148 7-to-3 |
| D. | 2-to-4 priority encoder |
| Answer» D. 2-to-4 priority encoder | |
| 3. |
Which priority encoder is used in MC68000? |
| A. | 4-to-2 priority encoder |
| B. | LS148 7-to-3 |
| C. | 2-to-4 priority encoder |
| D. | LS148 3-to-7 |
| Answer» C. 2-to-4 priority encoder | |
| 4. |
What does 80×86 use to hold essential data? |
| A. | stack frame |
| B. | register |
| C. | internal register |
| D. | flag register |
| Answer» B. register | |
| 5. |
WHICH_PRIORITY_ENCODER_IS_USED_IN_MC68000??$ |
| A. | 4-to-2 priority encoder |
| B. | LS148 7-to-3 |
| C. | 2-to-4 priority encoder |
| D. | LS148 3-to-7 |
| Answer» C. 2-to-4 priority encoder | |
| 6. |
Which of the following ensures the recognition of the interrupt?$ |
| A. | interrupt ready |
| B. | interrupt acknowledge |
| C. | interrupt terminal |
| D. | interrupt start |
| Answer» C. interrupt terminal | |
| 7. |
Which of the following converts the seven external pins into a 3-bit binary code?$ |
| A. | priority encoder |
| B. | 4-to-2 priority encoder |
| C. | LS148 7-to-3 |
| D. | 2-to-4 priority encoder |
| Answer» D. 2-to-4 priority encoder | |
| 8. |
Which of the following is raised to the interrupt level to prevent the multiple interrupt request? |
| A. | internal interrupt mask |
| B. | external interrupt mask |
| C. | non-maskable interrupt |
| D. | software interrupt |
| Answer» B. external interrupt mask | |
| 9. |
How many interrupt pins are used in MC68000? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» C. 4 | |
| 10. |
How many interrupt levels are supported in the MC68000? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 7 |
| Answer» E. | |
| 11. |
Which of the following is used to reduce the external memory cycle? |
| A. | internal hardware stack |
| B. | internal software stack |
| C. | external software stack |
| D. | internal register |
| Answer» B. internal software stack | |
| 12. |
Which of the following is a stack-based processor? |
| A. | MC68000 |
| B. | PowerPC |
| C. | ARM |
| D. | DEC Alpha |
| Answer» B. PowerPC | |
| 13. |
What does the RISC processor use to hold the data? |
| A. | flag register |
| B. | accumulator |
| C. | internal register |
| D. | stack register |
| Answer» D. stack register | |
| 14. |
What does 80√ó86 use to hold essential data?$ |
| A. | stack frame |
| B. | register |
| C. | internal register |
| D. | flag register |
| Answer» B. register | |
| 15. |
At which point the processor will start to internally process the interrupt? |
| A. | interrupt pointer |
| B. | instruction pointer |
| C. | instruction boundary |
| D. | interrupt boundary |
| Answer» D. interrupt boundary | |
| 16. |
In which interrupt, the trigger is dependent on the logic level? |
| A. | edge triggered |
| B. | level-triggered |
| C. | software interrupt |
| D. | nmi |
| Answer» C. software interrupt | |
| 17. |
Which of the following uses clock edge to generate an interrupt? |
| A. | edge triggered |
| B. | level-triggered |
| C. | software interrupt |
| D. | nmi |
| Answer» B. level-triggered | |