What do you understand about the concept of Virtual memory?

1.	What do you understand about the concept of Virtual memory?
Answer» Virtual memory is a type of memory that is created on the storage device for a brief period of time. When a computer's RAM is drained as a result of numerous processes running at the same time, this happens. The operating system makes a portion of the storage disc available for use as RAM. Virtual memory is significantly slower than main memory because processing power is used by moving data around rather than performing instructions. The operating systems guide explains how memory is managed by the operating system. Latency increases when the computer must use virtual memory. To move data between RAM and virtual memory, the operating system uses SWAPPING. The operating system moves data from processes that aren't in use RIGHT now out of RAM and into virtual memory. When the PROCESS is required again, the data is copied BACK into RAM. Using virtual memory SLOWS down the machine since transferring to a hard disc takes much longer than reading and writing RAM.

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