Operating System Quiz Questions and Answers 2020-2021 - 2

Question: 6

What is the maximum length allowed for primary name of a computer file under DOS?

(A) 3

(B) 5

(C) 8

(D) 12

Question: 7

Maximum length of DOS command using any optional parameter is

(A) 26 characters

(B) 87 characters

(C) 127 characters

(D) 156 characters

Question: 8

Which command is used to clear the screen and display the operating system prompt on the first line of the display?

(A) Cd

(B) Md

(C) Cls

(D) Rename

Question: 9

Delete directories

(A) skd, srbm

(B) nd, ndir

(C) rd, rmdir

(D) all of these

Question: 10

The primarily takes care of the behind the scenes details and manages the hardware

(A) Hard disk

(B) Peripheral devices

(C) Application software

(D) Operating system