MCQ IN COMPUTER SCIENCE & ENGINEERING

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COMPUTER SCIENCE AND ENGINEERING

OPERATING SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
____ is a program that control or maintain the operations of the computer and its hardware
A
Software
B
Operating System Software
C
Application software
D
Utility program
Explanation: 

Detailed explanation-1: -Operating system (OS) – a software that controls and coordinates the computer hardware devices and runs other software and applications on a computer. It is the main part of system software and a computer will not function without it.

Detailed explanation-2: -System software is a type of computer program that is designed to run a computer’s hardware and application programs. If we think of the computer system as a layered model, the system software is the interface between the hardware and user applications. The operating system is the best-known example of system software.

Detailed explanation-3: -The Central Processing Unit (CPU) is called “the brain of computer” as it controls operation of all parts of computer.

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