Operating System (OS)
Memory management is :

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

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

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

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