ISRO | ISRO CS 2009 | Question 8
The primary purpose of an operating system is
(A) To make most efficient use of the computer hardware
(B) To allow people to use the computer
(C) To keep systems programmers employed
(D) To make computers easier to use
Explanation: An operating system has three main functions:
(1) manage the computer’s resources, such as the central processing unit, memory, and other input – output sources
(2) establish a user interface, and
(3) execute and provide services for applications software.
OS provides an interface between the user and the hardware and thus making the computer easy to use for the user but the primary function of OS is to manage the hardware in the most efficient way.
So, option (A) is correct.
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