FUNDAMENTALS OF COMPUTER

OPERATING SYSTEMS FOR COMPUTERS

COMPUTER OPERATING SYSTEMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which operating system is decribed here-an operating systems that can only execute one program at a time. Its principal aim is to use the CPU to maximum efficiency and reduce idle time.
A
single-user
B
multi-user
C
multi-tasking
D
multi programming
Explanation: 

Detailed explanation-1: -A Single User single-tasking operating system allows only one user to perform only one or single task at a time. Example: Palm Os, MS-DOS, etc.

Detailed explanation-2: -Single-User/Multitasking OS An operating system that allows a single user to perform more than one task at a time is called Single-User Multitasking Operating System. Examples include Microsoft Windows and Macintosh OS.

Detailed explanation-3: -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-4: -In operating systems, to improve the performance of more than one CPU can be used within one computer system called Multiprocessor operating system. Multiple CPUs are interconnected so that a job can be divided among them for faster execution.

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