MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Microprocessors knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
THE_SIZE_OF_EACH_PAGE_TABLE_IS_OF?$ |
| A. | 2 Kbytes |
| B. | 2 bytes |
| C. | 4 Kbytes |
| D. | 4 bytes |
| Answer» D. 4 bytes | |
| 2. |
The bit that is undefined for page directory entries is$ |
| A. | P-bit |
| B. | A-bit |
| C. | D-bit |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 3. |
The_dirty_bit(D)_is_set,_before_which_operation_is_carried_out$ |
| A. | write |
| B. | read |
| C. | initialization |
| D. | none of the mentioned |
| Answer» B. read | |
| 4. |
The page table cache is also known as |
| A. | page table storage |
| B. | storage buffer |
| C. | translation look aside buffer |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 5. |
The storage of 32 recently accessed page table entries to optimize the time, is known as |
| A. | page table |
| B. | page descriptor base register |
| C. | page table cache |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 6. |
The_bit_that_is_used_for_providing_protection_is |
| A. | User/Supervisor bit |
| B. | Read bit |
| C. | Write bit |
| D. | all of the mentioned |
| Answer» E. | |
| 7. |
Each directory entry in page directory is maximum o? |
| A. | 2 bytes |
| B. | 4 bytes |
| C. | 8 bytes |
| D. | 16 bytes |
| Answer» C. 8 bytes | |
| 8. |
The bits of CR3, that are always zero are |
| A. | higher 4 bits |
| B. | lower 8 bits |
| C. | higher 10 bits |
| D. | lower 12 bits |
| Answer» E. | |
| 9. |
The control register that is used as page directory physical base address register is |
| A. | CR0 |
| B. | CR1 |
| C. | CR2 |
| D. | CR3 |
| Answer» E. | |
| 10. |
Which of the following is not a component of paging unit? |
| A. | page directory |
| B. | page descriptor base register |
| C. | page table |
| D. | page |
| Answer» C. page table | |
| 11. |
The control register that stores the 32-bit linear address, at which the previous page fault is detected is |
| A. | CR0 |
| B. | CR1 |
| C. | CR2 |
| D. | CR3 |
| Answer» D. CR3 | |
| 12. |
To convert linear addresses into physical addresses, the mechanism that the paging unit uses is |
| A. | linear conversion mechanism |
| B. | one level table mechanism |
| C. | physical conversion mechanism |
| D. | two level table mechanism |
| Answer» E. | |
| 13. |
The size of the pages in the paging scheme is |
| A. | variable |
| B. | fixed |
| C. | both variable and fixed |
| D. | none |
| Answer» C. both variable and fixed | |
| 14. |
The advantage of pages in paging is |
| A. | no logical relation with program |
| B. | no need of entire segment of task in physical memory |
| C. | reduction of memory requirement for task |
| D. | all of the mentioned |
| Answer» E. | |