MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

OPERATING SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Operating systems are responsible for logging users in and out. This function is a part of:
A
user interface
B
memory management
C
managing hardware and devices
D
None of the above
Explanation: 

Detailed explanation-1: -An operating system is responsible for identifying, configuring, and providing applications with common access to underlying computer hardware devices.

Detailed explanation-2: -A user interface (UI) refers to the part of an operating system, program, or device that allows a user to enter and receive information. A text-based user interface (see the image to the left) displays text, and its commands are usually typed on a command line using a keyboard.

Detailed explanation-3: -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.

Detailed explanation-4: -The kernel is the core component of the operating system. It handles the management of low-level hardware resources, including memory, processors, and input/output (I/O) devices, such as a keyboard, mouse, or video display.

There is 1 question to complete.