MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -This statement is false. Explanation: An operating system is a program that controls the execution of applications programs and acts as an interface between applications and the computer hardware. Every general-purpose computer must have an operating system to run other programs and applications.

Detailed explanation-2: -The operating system acts as an interface between the hardware and the programs requesting I/O. It is the most fundamental of all system software programs. Responsibilities of the OS include: Hiding the complexities of hardware from the user.

Detailed explanation-3: -Answer: True. Operating system is a system software.

Detailed explanation-4: -Detailed Solution. Option 1: It ensures that computer system components like hard disk and RAM never crash or malfunction. False, An operating system (OS) is system software that manages or ensures computer hardware, software resources, and provides common services for computer programs.

Detailed explanation-5: -It manages the computer’s memory and processes, as well as all of its software and hardware. It also allows you to communicate with the computer without knowing how to speak the computer’s language. Without an operating system, a computer is useless.