MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -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-2: -All parts of a computer are controlled by C.P.U. CPU, the principal part of any digital computer system, is generally composed of the main memory, control unit, and arithmetic-logic unit.

Detailed explanation-3: -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-4: -The main responsibility of the operating system is to manage a computer’s software and hardware resources. It is the computer’s main control program. The OS controls and maintains a record of all other programs on the computer, including both application and system software.

Detailed explanation-5: -CPU Control Your computer’s processes are executed by its central processing unit, or CPU. Signals sent to and from the CPU determine what happens, and in what order. The operating system works with the CPU to create a checklist of processes to execute and ensures that each gets done.