What is the purpose of a virtual memory system?

Vaibhav Kothia May 26, 2023 0 Comments

A virtual memory system is a computer system that allows a computer to use more memory than it has physically installed. It does this by temporarily transferring data from RAM to a hard disk, allowing a computer to use more memory than it has physically installed. This is useful when a program needs more memory than is available in the system.

For example, a system with 4GB of RAM may be able to run a program that requires 6GB of RAM. The virtual memory system will transfer 2GB of data from RAM to a hard disk, thus allowing the program to run with the extra memory it needs.

What is the purpose of virtual memory?

Vaibhav Kothia May 26, 2023 0 Comments

Virtual memory is a memory management technique that allows a computer to use more RAM than it has installed. It does this by temporarily storing parts of a program in the hard drive, which is much slower than RAM, but also much larger. For example, a program may need to use more RAM than is available, so the computer can store some of the program in the hard drive and swap it in and out as needed. This allows the program to run as if it had more RAM available, even though it doesn’t.