FUNDAMENTALS OF COMPUTER

APPLICATION SYSTEM SOFTWARE

SYSTEMS SOFTWARE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is meant by multitasking? (A function of an o/s)
A
Windows, Linux, OSX and Android are multitasking operating systems. A multitasking operating system allows more than one program to run at the same time.
B
In charge of the RAM. Programs often use RAM throughout their operation, some use more memory than others. The memory manager checks requests from programs for memory space are valid and then allocates memory space.It also de-allocates space.
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Multitasking, in an operating system, is allowing a user to perform more than one computer task (such as the operation of an application program) at a time. The operating system is able to keep track of where you are in these tasks and go from one to the other without losing information.

Detailed explanation-2: -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-3: -Explanation: The multitasking operating system works by dividing the processor’s time into different discrete time slots, that is, each application requires a defined number of time slots to complete its execution.

Detailed explanation-4: -As a multitasking OS, it allows multiple processes to share processors (CPUs) and other system resources. Each CPU executes a single task at a time. However, multitasking allows each processor to switch between tasks that are being executed without having to wait for each task to finish.

Detailed explanation-5: -As a multitasking system, MS Windows allows more than one program to reside in memory and operate at any given time. Each program has its own window on the display screen.

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