Operating System Questions and Answers for Gate 2020-2021 - 1
Question: 1
Scheduling is
(A) the same regardless of the purpose of the system
(B) quite simple to implement, even on large mainframes
(C) unrelated to performance considerations
(D) allowing job to use the processor
Ans: D
allowing job to use the processor
Question: 2
How many types of multiprocessing models are there?
(A) 1
(B) 2
(C) 3
(D) 4
Ans: B
2
Question: 3
Which of the following operating system write through catches?
(A) XEVIX
(B) ULTRIX
(C) DOS
(D) UNIX
Ans: C
DOS
Question: 4
Most popular 16-bit operating system is
(A) MS-DOS
(B) TRS-DOS
(C) UNIX
(D) CP/M
Ans: A
MS-DOS
Question: 5
A computer cannot “boot” if it does not have
(A) Assembler
(B) Operating system
(C) Complier
(D) Loader
Ans: B
Operating system
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