MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -The operating system(OS) controls system resources and regulates all of the tasks that the computer performs.

Detailed explanation-2: -The operating system’s job 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: -Operating system controls the way in which the computer system functions and provides a means by which users can interact with the computer. OS is the program that, after being initially loaded into the computer by a boot program, manages all the other programs in a computer.

Detailed explanation-4: -The control unit of the central processing unit regulates and integrates the operations of the computer. It selects and retrieves instructions from the main memory in proper sequence and interprets them so as to activate the other functional elements of the system at the appropriate moment…

Detailed explanation-5: -An operating system is a program on which application programs are executed and acts as a communication bridge (interface) between the user and the computer hardware. The operating system also includes programs to manage traffic controllers, a scheduler, a memory management module, I/O programs, and a file system.