Operating System (OS)
Memory management is :

None of these
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

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Operating System (OS)
A relocate program form is one which

All of these
consists of a program and relevant information for its relocation.
can itself performs the relocation of its address-sensitive portions.
cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation.
None of these

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