MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Operating System Questions & Answers Virtual Memory knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In FIFO page replacement algorithm, when a page must be replaced ____________ |
| A. | oldest page is chosen |
| B. | newest page is chosen |
| C. | random page is chosen |
| D. | none of the mentioned |
| Answer» B. newest page is chosen | |
| 2. |
Effective access time is directly proportional to ____________ |
| A. | page-fault rate |
| B. | hit ratio |
| C. | memory access time |
| D. | none of the mentioned |
| Answer» B. hit ratio | |
| 3. |
When a program tries to access a page that is mapped in address space but not loaded in physical memory, then ____________ |
| A. | segmentation fault occurs |
| B. | fatal error occurs |
| C. | page fault occurs |
| D. | no error occurs |
| Answer» D. no error occurs | |
| 4. |
Swap space exists in ____________ |
| A. | primary memory |
| B. | secondary memory |
| C. | cpu |
| D. | none of the mentioned |
| Answer» C. cpu | |
| 5. |
The pager concerns with the ____________ |
| A. | individual page of a process |
| B. | entire process |
| C. | entire thread |
| D. | first page of a process |
| Answer» B. entire process | |
| 6. |
_____ is the concept in which a process is copied into the main memory from the secondary memory according to the requirement. |
| A. | Paging |
| B. | Demand paging |
| C. | Segmentation |
| D. | Swapping |
| Answer» C. Segmentation | |
| 7. |
Because of virtual memory, the memory can be shared among ____________ |
| A. | processes |
| B. | threads |
| C. | instructions |
| D. | none of the mentioned |
| Answer» B. threads | |