MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

SYSTEM SOFTWARE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the purpose of an Operating System?
A
To keep the computer maintained and in working order
B
To control the running of the computer, manage apps, users and resources
C
To prevent the computer from getting a virus
D
None of the above
Explanation: 

Detailed explanation-1: -An operating system provides three essential capabilities: It offers a UI through a CLI or GUI; it launches and manages the application execution; and it identifies and exposes system hardware resources to those applications–typically, through a standardized API.

Detailed explanation-2: -The operating system (OS) manages all of the software and hardware on the computer. It performs basic tasks such as file, memory and process management, handling input and output, and controlling peripheral devices such as disk drives and printers.

Detailed explanation-3: -An operating system has three main functions: (1) manage the computer’s resources, such as the central processing unit, memory, disk drives, and printers, (2) establish a user interface, and (3) execute and provide services for applications software.

Detailed explanation-4: -The primary purpose of an operating system is to make the most efficient use of the computer hardware. Operating system is a software that manages computer hardware and software resources and provide common services for computer programs.

Detailed explanation-5: -Explanation: An Operating System acts as an intermediary between user/user applications/application programs and hardware. It is a program that manages hardware resources. It provides services to application programs.

There is 1 question to complete.