Operating System Lab Practical Viva Questions and Answers - 3

Question: 11

Operating System assumes responsibility, that of serving as a ____

(A) Control program

(B) Contribute program

(C) Supplement program

(D) Supply program

Question: 12

To avoid the delay due to manual operation ___ was introduced.

(A) Assistant

(B) Efficient

(C) Job sequencing

(D) Manual

Question: 13

A set of extended instructions providing an interface between the Operating System and the user programs, is called a ____

(A) Machine call

(B) System call

(C) Instruction call

(D) Service call

Question: 14

System level security is offered by the ____ in a multi-user environment.

(A) code

(B) password

(C) name

(D) secret code

Question: 15

A ____ controls the execution of user programs to prevent errors and improper use of the computer.

(A) control program

(B) contribute program

(C) supplement program

(D) supply program