Match List I (Operating system) with List II (Task).

List I

i.UNIX

ii.MS-DOS

iii.Android OS

iv.Utility programs

List II

a.Assist users in system maintenance task

b.Mobile device

c.Single user operating system

d.Multi user operating system

Ai-c, ii-d, iii-a, iv-b

Bi-a, ii-b, iii-d, iv-c

Ci-d, ii-c, iii-b, iv-a ✓ Correct

Di-c, ii-a, iii-b, iv-d

Correct answer: (C) i-d, ii-c, iii-b, iv-a

Explanation

UNIX is a multi user operating system supporting many users at once.

MS-DOS is a single user operating system that serves one user at a time.

Android OS is designed to run on mobile devices.

Utility programs assist users in system maintenance tasks like cleanup and backup.

Multi user systems share resources among several users, unlike single user systems.

Android is built on a Linux kernel and dominates the smartphone market.

Want more like this? Create a free account to practise a full test, track your progress, and get spaced-repetition review.