COMPUTER SOFTWARE
OPERATING SYSTEMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Why is virtual memory needed?
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The hard disk may not be large enough to store all the files
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A user may want to access files stored on remote servers in the cloud
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A computer cannot multi-task when it runs out of memory
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Networks need to kept secure
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Explanation:
Detailed explanation-1: -Virtual memory provides virtual address mapping between applications and hardware memory. Virtual memory provides many functions, including multitasking (multiple tasks executing at once on one CPU), allowing multiple processes to access the same shared library in memory, swapping, and others.
Detailed explanation-2: -Virtual memory is a technique that allows the execution of processes that are not completely in memory. One major advantage of this scheme is that programs can be larger than physical memory.
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