ITPEC FE Morning April 2019 Question 16
ITPEC FE Morning April 2019 — Question 16 of 80
Paging — virtual and real memory are divided into fixed-length blocks.
Paging splits both virtual memory and physical memory into equal fixed-size blocks:
- Virtual side: pages
- Physical side: frames (page frames)
The OS maps pages to frames via a page table.
Why not others:
- (a) — describes blocking (grouping records for auxiliary storage I/O)
- (b) — describes memory interleaving (splitting main memory into banks for parallel access)
- (c) — describes relocation (moving a program to a different memory area for execution)
Key rule: Paging = fixed-size blocks for both virtual and real memory; segmentation = variable-size blocks.
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