Introduction:
Which of the following is an important component of computer that control computer hardware?
a) operating system
b) system software
c) application software
d) windows
Computer system is useless without
a) OS
b) S/W
c) windows
d) H/W
(OS stands for operating system)
Which of the following resources and services are controlled by operating system?
a) memory
b) processor
c) devices & information
d) all of these
How many common types of operating system are used in personal computers?
a) 4
b) 5
c) 6
d) 7
Explanation: Linux, Mac OS, windows, UNIX, iOS, Android
