MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -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-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: -operating system (OS), program that manages a computer’s resources, especially the allocation of those resources among other programs. Typical resources include the central processing unit (CPU), computer memory, file storage, input/output (I/O) devices, and network connections.

Detailed explanation-4: -The operating system manages peripheral input and output devices such as keyboards, monitors, printers, scanners and cameras. It controls the sending and receiving of data . To achieve this, the operating system uses a program called a device driver . Device drivers contain instructions on how to control a device.

Detailed explanation-5: -In computing, a system resource, or simple resource, is any physical or virtual component of limited availability within a computer system. All connected devices and internal system components are resources.