Operating System (OS)
The primary purpose of an operating system is:

To make the most efficient use of the computer hardware
To make computers easier to use
To allow people to use the computer
To keep systems programmers employed

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Operating System (OS)
Memory management is :

not used on multiprogramming systems
not used in modern operating system
replaced with virtual memory on current systems
critical for even the simplest operating systems
None of these

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Operating System (OS)
Which of the following is true for machine language.

Repeated execution of program segments
the language which communicates with the computer using only the binary digits 1 and 0.
None of these
Depicting flow of data in a system
A sequence of instructions which, when followed properly, solves a problem

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