MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -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-2: -Multitasking refers to the ability of an operating system to have more than one program (also called a task) open at one time.

Detailed explanation-3: -Multitasking is the ability of the operating system to run more than one application at a time. A multitasking operating system (also called a multiprocessing operating system) supports two or more active processes simultaneously.

Detailed explanation-4: -The multitasking OS refers to a logical extension of the multiprogramming operating system, which allows users to run many programs simultaneously. It enables a user to complete multiple computer tasks at the same time.

Detailed explanation-5: -Mainframe Computers: Large organizations use mainframes for highly critical applications. Most of the mainframe computers have the capacity to host multiple operating systems and operate as a number of virtual machines and can thus substitute for several small servers.