Operating System Questions and Answers for Gate 2020-2021 - 3

Question: 11

Round robin is a

(A) Kind of magnetic drum

(B) Memory allocation policy

(C) Process scheduling policy

(D) Process synchronization policy

Question: 12

Of the following, the odd one is

(A) Kernel

(B) Spooler

(C) Executive

(D) Task manager

Question: 13

Cryptography technique is used in

(A) File management

(B) Protection

(C) Job scheduling

(D) Polling

Question: 14

The kernel of the operating system remains in primary memory (and other part of the operating system remains in secondary storage) because

(A) It is mostly called (used)

(B) It manages all interrupt calls

(C)  It controls all operations in a process

(D) It is low level

Question: 15

Trap is a/an

(A) Operating system’s interrupt

(B) Hardware interrupt

(C) Synchronous interrupt

(D) Asynchronous interrupt