The correct matching of the following pairs is (A) Disk check (1) Roundrobin…

2009

The correct matching of the following pairs is 

(A) Disk check              (1) Roundrobin
(B) Batch processing        (2) Scan
(C) Time sharing            (3) LIFO
(D) Stack operation         (4) FIFO

Answer: D. A B C D 2 4 1 3 — Disk check refers to disk scheduling algorithms, where the Scan algorithm is a common method (A-2). Batch processing typically employs First-In-First-Out…

  1. A. 

    A B C D
 3 4 2 1
  2. B. 
    A B C D
4 3 2 1
  3. C. 
    A B C D
3 4 1 2
  4. D. 
    A B C D
2 4 1 3

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Correct answer: D

Disk check refers to disk scheduling algorithms, where the Scan algorithm is a common method (A-2). Batch processing typically employs First-In-First-Out (FIFO) scheduling for job execution (B-4). Time sharing systems use the Round Robin algorithm to allocate CPU time slices equally among processes (C-1). Stack operations follow the Last-In-First-Out (LIFO) principle, where the last element added is the first one removed (D-3). Matching these concepts gives: (A)-(2), (B)-(4), (C)-(1), (D)-(3). The correct sequence is 2-4-1-3.

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