MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -An operating system (OS) is the program that, after being initially loaded into the computer by a boot program, manages all of the other application programs in a computer. The application programs make use of the operating system by making requests for services through a defined application program interface (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: -The operating system manages the interaction between applications and the hardware. To access and communicate with the hardware, the operating system installs a device driver for each hardware component. A device driver is a small program written by the hardware manufacturer and supplied with the hardware component.

Detailed explanation-4: -The operating system is a set of system programs that provides a number of facilities to a user to allow the use of a computer.

Detailed explanation-5: -Answer and Explanation: The statement is True. An operating system is a set of programs that manages and controls the computer hardware, program files, data, and other system resources and provides means for the user to control the computer using a graphical user interface (GUI).