What is Virtual memory?.

Virtual Memory: Virtual memory is type of memory. It is use when you run multiple Application such as window explorer, email, coral draw .RAM not be sufficient to run all program .In order to run another program, you would have to close some of the currently running program .However this problem can be solved using the virtual memory. Virtual memory copies all not used frequently to the hard disk .therefore, it frees up the space in the RAM to run new program.

Virtual Memory