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Worksheetsfragmentation
Total questions: 13
Worksheet time: 7mins
Which of the following causes fragmentation?
Process termination
Memory allocation and deallocation of variable-sized blocks
Fixed partitioning
None of these
Q2. Internal fragmentation occurs when:
Memory is divided into variable-sized partitions
Processes can share partitions
Process size is smaller than partition size
Process size is larger than partition size
External fragmentation occurs in:
Variable-sized contiguous memory allocation
Segmentation
Fixed-sized partitioning
Paging
Q4. Which of the following reduces external fragmentation?
Compaction
Paging
Segmentation
None
Q5. In paging systems, fragmentation that occurs is:
Internal
External
Both
None
Q6. Which of the following statements is true?
Internal fragmentation wastes memory outside allocated blocks
External fragmentation occurs inside allocated blocks
Paging eliminates external fragmentation
Compaction eliminates internal fragmentation
Q7. A process requires 45 KB memory. Memory block size is 50 KB. The unused 5 KB is:
External fragmentation
Internal fragmentation
Page fault
Thrashing
In which memory allocation method can external fragmentation occur?
Paging
Fixed partitioning
Segmentation
None
Internal fragmentation happens due to variable-sized memory blocks.
True
False
External fragmentation can be removed by compaction.
True
False
Paging suffers from internal fragmentation.
True
False
In fixed partitioning, external fragmentation occurs.
True
False
Segmentation can lead to external fragmentation.
True
False
