Operating System (OS)
Which of the following is not true about the memory management?

paging suffers from internal fragmentation
segmentation suffers from external fragmentation
virtual memory is used only in multi-user systems
segmented memory can be paged
None of these

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Operating System (OS)
Most of the microcomputer's operating systems like Apple DOS, MS DOS and PC DOS etc. are called disk operating systems because

they are partly in primary memory and partly on disk
None of these
they are initially stored on disk
they are memory resident
they are available on magnetic tapes

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