COMPUTER FUNDAMENTALS

COMPUTER SOFTWARE

OPERATING SYSTEMS

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.

Detailed explanation-2: -Multitasking is used to keep all of a computer’s resources at work as much of the time as possible. It is controlled by the operating system, which loads programs into the computer for processing and oversees their execution until they are finished.

Detailed explanation-3: -GNU/Linux is a multi-tasking OS; a part of the kernel called the scheduler keeps track of all the programs running and allots processor time accordingly, effectively running several programs simultaneously.

Detailed explanation-4: -Multi-user operating system is a computer operating system(OS) that allows multiple users on different computers or terminals to access a single system with one OS on it. Examples of multi-user operating system are : Linux, Ubuntu, Unix, Mac OS X, Windows 1010 etc.

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