MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -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-2: -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-3: -The operating system must manage the use of hardware resources so that software can complete its tasks. Each program running on a computer is known as a process. The OS manages how software processes share the system’s resources. For example, most software needs to save data to a storage device, such as a hard disk.

Detailed explanation-4: -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.