Question
Download Solution PDFWhich one of the following statements is not correct regarding the usage of virtual memory?
This question was previously asked in
ESE Electronics 2020: Official Paper
Answer (Detailed Solution Below)
Option 3 : To achieve higher CPU performance
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ST 1: UPSC ESE (IES) Civil - Building Materials
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Detailed Solution
Download Solution PDF- Physical memory cannot store large programs. So virtual memory is used that provides a larger amount of space to the process. Some of the portions is stored in the disk storage.
- It allows us to extend the use of physical memory by using hard disk space.
- It allows us to have memory protection because each virtual address is translated into physical memory.
- When the process requires a particular page, it demands the required page. The page in the storage device is accessed.
- But storage device is much slower than RAM’s, so it affects the performance, i.e. the performance is reduced. (Statement in Option 3 is incorrect)
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