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Chapter 3 · SoftwarePractice
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CONCEPT PRACTICE

Fragmented free memory

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Volume 1 · Chapter 3 · Textbook Exercises · Q6

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Which of the following is an appropriate description concerning fragmentation?

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Source: FE Vol 1.pdf, PDF page 252, textbook p. 242 · Information-technology Promotion Agency, Japan · First Edition: April, 2015. ID: tb-v1-c3-q6. Publisher answer and commentary · private review.

Original question · Q6
Q6 Which of the following is an appropriate description concerning fragmentation? a) In the variable partitioning method, fragmentation does not occur even if memory areas of various sizes are acquired and released. b) In the fixed partitioning method, the acquisition and release of memory areas are performed faster than in the variable partitioning method, but fragmentation tends to occur. c) Although the total available memory is sufficient, the required memory area cannot be acquired in some cases, because of fragmentation. d) In a system with a high frequency of acquisition and release of memory, garbage collection must be performed whenever a memory area is released.

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