Operating system quiz 2

1. 1What is the main function of memory management in an operating system?

   1. AScheduling CPU tasks
   2. BManaging files on disk
   3. CAllocating and deallocating memory for processes
   4. DControlling input and output devices
2. 2What type of memory is not permanent and is used for running programs?

   1. ASecondary memory
   2. BCache memory
   3. CVirtual memory
   4. DPrimary memory
3. 3Primary memory is slower but cheaper than secondary memory.

   1. AVerdadero
   2. BFalso
4. 4Memory management improves system performance and memory utilization.

   1. AVerdadero
   2. BFalso
5. 5What happens during the compaction process?

   1. AMemory blocks are divided further
   2. BMemory is permanently erased
   3. CFree and allocated memory blocks are merged
   4. DProcesses are executed faster
6. 6In which partitioning method is memory not split into predefined sizes?

   1. AFixed Partitioning
   2. BVariable Partitioning
   3. CStatic Partitioning
   4. DSegmentation
7. 7Which memory allocation technique finds the smallest block that fits the process?

   1. AFirst Fit
   2. BBest Fit
   3. CWorst Fit
   4. DLast Fit
8. 8Memory management improves system performance and memory utilization.

   1. AVerdadero
   2. BFalso
9. 9Memory management improves system performance and memory utilization.

   1. AVerdadero
   2. BFalso
10. 10Swapping can lead to a process being relocated to a different memory location.

    1. AVerdadero
    2. BFalso

11. 11In continuous memory allocation, memory is allocated in scattered blocks.

    1. AVerdadero
    2. BFalso
12. 12External fragmentation occurs when there is unused memory inside allocated blocks.

    1. AVerdadero
    2. BFalso
13. 13First Fit allocation is always better than Best Fit in reducing fragmentation.

    1. AVerdadero
    2. BFalso
14. 14Worst Fit tends to increase memory fragmentation.

    1. AVerdadero
    2. BFalso
15. 15A process of size 2048KB takes approximately how long to swap in and out of memory using a disk transfer rate of 1MB/s (ignoring overhead)?

    1. A1000 ms
    2. B2000 ms
    3. C8000 ms
    4. D4000 ms

Descripción

Engineering Test sobre Operating system quiz 2, creado por Eng. Nada Ibrahim el 30/04/2025.

Autor

Eng. Nada Ibrahim

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English

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