MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -An Operating System (OS) is an interface between a computer user and computer hardware. An operating system is a software which performs all the basic tasks like file management, memory management, process management, handling input and output, and controlling peripheral devices such as disk drives and printers.

Detailed explanation-2: -An operating system is a program that acts as an interface between the user and the computer hardware and controls the execution of all kinds of programs. An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs.

Detailed explanation-3: -An Operating System is a program that acts as an intermediary or interface between a user of a computer and the computer hardware. It is the most important type of system software in computer systems. Without an operating system the user cannot run application programs on the computer system.

Detailed explanation-4: -The user interface (UI) is the point of human-computer interaction and communication in a device. This can include display screens, keyboards, a mouse and the appearance of a desktop. It is also the way through which a user interacts with an application or a website.

Detailed explanation-5: -The Operating System is the Interface between the user and the computer. It is called the Interface because it converts the commands given by the user to language that the computer can understand (machine language) and vice a versa. There are many operating systems available such as Windows, Mac OS and Linux.