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Previous Year Question (PYQs)

Match List - I with List - II.

 List - I (operating system concepts)

List - II (characteristics) 

 (A) Paging
 (I) Evicts least recently used process
 (B) LRU (Least Recently Used)
 (II) Extends physical memory
 (C) C-SCAN
 (III) Logical to physical mapping
 (D) Virtual Memory

 (IV) Circular disk access

Choose the correct answer from the options given below :





Solution

Paging → Logical to physical address mapping → (III)


LRU → Replace least recently used page → (I)


C-SCAN → Circular disk scheduling → (IV)


Virtual Memory → Extends physical memory → (II)


Thus:


(A)-(III), (B)-(I), (C)-(IV), (D)-(II)


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