MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Operating System knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
IF_THERE_ARE_32_SEGMENTS,_EACH_OF_SIZE_1KB,_THEN_THE_LOGICAL_ADDRESS_SHOULD_HAVE_:?$ |
| A. | 13 bits |
| B. | 14 bits |
| C. | 15 bits |
| D. | 16 bits |
| Answer» B. 14 bits | |
| 2. |
A multilevel page table is preferred in comparison to a single level page table for translating virtual address to physical address because :$ |
| A. | it reduces the memory access time to read or write a memory location |
| B. | it helps to reduce the size of page table needed to implement the virtual address space of a process |
| C. | it is required by the translation lookaside buffer |
| D. | it helps to reduce the number of page faults in page replacement algorithms |
| Answer» C. it is required by the translation lookaside buffer | |
| 3. |
Consider a computer with 8 Mbytes of main memory and a 128K cache. The cache block size is 4 K. It uses a direct mapping scheme for cache management. How many different main memory blocks can map onto a given physical cache block ?$ |
| A. | 2048 |
| B. | 256 |
| C. | 64 |
| D. | 8 |
| Answer» D. 8 | |
| 4. |
The protection bit is 0/1 based on ? |
| A. | write only |
| B. | read only |
| C. | read – write |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 5. |
The offset ‘d’ of the logical address must be :$ |
| A. | greater than segment limit |
| B. | between 0 and segment limit |
| C. | between 0 and the segment number |
| D. | greater than the segment number |
| Answer» C. between 0 and the segment number | |