MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

OPERATING SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
If an OS has the ability to run more than one program simultaneously what is this called?
A
Mutlihandling
B
Multitasking
C
Multiuser
D
Multiprogram
Explanation: 

Detailed explanation-1: -Multiprogramming – Multiprogramming is known as keeping multiple programs in the main memory at the same time ready for execution.

Detailed explanation-2: -Multi-programming OS The operating system which can run multiple processes on a single processor is called a multiprogramming operating system. There are different programs that want to get executed. So these programs are kept in the ready queue.

Detailed explanation-3: -The correct option is D Multitasking. Multitasking refers to the ability to execute more than one task (or program) at the same time. In multitasking, only one CPU is involved, but it switches from one program to another so quickly that it gives the appearance of executing all of programs at the same time.

Detailed explanation-4: -multitasking, the running of multiple programs (sets of instructions) in one computer at the same time. Multitasking is used to keep all of a computer’s resources at work as much of the time as possible.

Detailed explanation-5: -In computing, multitasking is the concurrent execution of multiple tasks (also known as processes) over a certain period of time. New tasks can interrupt already started ones before they finish, instead of waiting for them to end.

There is 1 question to complete.