MCQOPTIONS
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MCQOPTIONS
This section includes 23 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 is an 16 kbyte block? |
| A. | register |
| B. | vector table |
| C. | buffer |
| D. | lookaside buffer |
| Answer» C. buffer | |
| 2. |
Which interrupt can make a change in the processor’s mode? |
| A. | internal interrupt |
| B. | external interrupts |
| C. | exceptions |
| D. | software mode |
| Answer» D. software mode | |
| 3. |
Which of the following is the common method for the connecting the peripheral to the processor? |
| A. | internal interrupts |
| B. | external interrupts |
| C. | software |
| D. | exception |
| Answer» C. software | |
| 4. |
Which bits control the floating point exceptions? |
| A. | EE |
| B. | FE0 |
| C. | FE1 |
| D. | both FE1 and FE2 |
| Answer» E. | |
| 5. |
Which of the following can be used to create time-driven systems? |
| A. | memory |
| B. | input |
| C. | output |
| D. | interrupts |
| Answer» E. | |
| 6. |
Which of the following can be done to ensure that all interrupts are recognised? |
| A. | reset pin |
| B. | external ready pin |
| C. | handshaking |
| D. | acknowledgment |
| Answer» D. acknowledgment | |
| 7. |
Which software interrupt is used in MC68000? |
| A. | Internal interrupt |
| B. | TRAP |
| C. | SWI |
| D. | NMI |
| Answer» C. SWI | |
| 8. |
Which exception can be masked by clearing the EE bit to zero in the MSR? |
| A. | synchronous imprecise |
| B. | synchronous precise |
| C. | asynchronous imprecise |
| D. | asynchronous precise |
| Answer» E. | |
| 9. |
What is the full form of SWI in Interrupts and Exceptions? |
| A. | standard interrupt instruction |
| B. | sequential interrupt instruction |
| C. | software interrupt instruction |
| D. | system interrupt instruction |
| Answer» D. system interrupt instruction | |
| 10. |
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 | |
| 11. |
What is the full form of MSR in Interrupts and Exceptions? |
| A. | machine state register |
| B. | machine software register |
| C. | minimum state register |
| D. | maximum state register |
| Answer» B. machine software register | |
| 12. |
What allows the data protection in the software interrupt mechanism? |
| A. | Different mode |
| B. | Same mode |
| C. | SWI |
| D. | TRAP |
| Answer» B. Same mode | |
| 13. |
Which interrupt can make a change in the processor's mode? |
| A. | internal interrupt |
| B. | external interrupts |
| C. | exceptions |
| D. | software mode |
| Answer» D. software mode | |
| 14. |
Which of the following is a 16 kbyte block? |
| A. | register |
| B. | vector table |
| C. | buffer |
| D. | lookaside buffer |
| Answer» C. buffer | |
| 15. |
Which can activate the ISR? |
| A. | interrupt |
| B. | function |
| C. | procedure |
| D. | structure |
| Answer» B. function | |
| 16. |
What is the full form of NMI in Interrupts and Exceptions? |
| A. | non-machine interrupt |
| B. | non-maskable interrupt |
| C. | non-massive interrupt |
| D. | non-memory interrupt |
| Answer» C. non-massive interrupt | |
| 17. |
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 | |
| 18. |
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 | |
| 19. |
Which exceptions are used in the PowerPC for floating point? |
| A. | synchronous imprecise |
| B. | asynchronous imprecise |
| C. | synchronous precise |
| D. | synchronous imprecise |
| Answer» B. asynchronous imprecise | |
| 20. |
What is the full form of ISR in Interrupts and Exceptions? |
| A. | interrupt standard routine |
| B. | interrupt service routine |
| C. | interrupt software routine |
| D. | interrupt synchronous routine |
| Answer» C. interrupt software routine | |
| 21. |
What does 80×86 use to hold essential data? |
| A. | stack frame |
| B. | register |
| C. | internal register |
| D. | flag register |
| Answer» B. register | |
| 22. |
Which exception is used in the external interrupts and decrementer-caused exceptions? |
| A. | synchronous precise |
| B. | asynchronous precise |
| C. | synchronous imprecise |
| D. | asynchronous imprecise |
| Answer» C. synchronous imprecise | |
| 23. |
Which of the following are accessible by the ISR in software interrupt mechanism? |
| A. | register |
| B. | interrupt |
| C. | nmi |
| D. | memory |
| Answer» B. interrupt | |