What is virtual memory?
How does virtual memory work and why do computers need it?
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Virtual memory is a memory management feature in a computer that uses a part of the hard drive or SSD to act like extra RAM (main memory).
When the computer’s RAM is full, virtual memory temporarily stores data on the storage device so that programs can continue running.
In short:
Virtual memory is an extension of RAM that helps the computer run more programs smoothly when actual memory is limited.