MCQOPTIONS
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MCQOPTIONS
This section includes 6 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. |
Sometimes the overhead of keeping track of a hole might be ____________ |
| A. | larger than the memory |
| B. | larger than the hole itself |
| C. | very small |
| D. | all of the mentioned |
| Answer» C. very small | |
| 2. |
External fragmentation exists when? |
| A. | enough total memory exists to satisfy a request but it is not contiguous |
| B. | the total memory is insufficient to satisfy a request |
| C. | a request cannot be satisfied even when the total memory is free |
| D. | none of the mentioned |
| Answer» B. the total memory is insufficient to satisfy a request | |
| 3. |
The disadvantage of moving all process to one end of memory and all holes to the other direction, producing one large hole of available memory is ____________ |
| A. | the cost incurred |
| B. | the memory used |
| C. | the CPU used |
| D. | all of the mentioned |
| Answer» B. the memory used | |
| 4. |
Another solution to the problem of external fragmentation problem is to ____________ |
| A. | permit the logical address space of a process to be noncontiguous |
| B. | permit smaller processes to be allocated memory at last |
| C. | permit larger processes to be allocated memory at last |
| D. | all of the mentioned |
| Answer» B. permit smaller processes to be allocated memory at last | |
| 5. |
A solution to the problem of external fragmentation is ____________ |
| A. | compaction |
| B. | larger memory space |
| C. | smaller memory space |
| D. | none of the mentioned |
| Answer» B. larger memory space | |
| 6. |
In internal fragmentation, memory is internal to a partition and ____________ |
| A. | is being used |
| B. | is not being used |
| C. | is always used |
| D. | none of the mentioned |
| Answer» C. is always used | |