Virtual Memory

Question 1

What is virtual memory?

Answer 1

part of he secondary memory which is used as an extension to the RAM.

Question 2

When is virtual memory used?

Answer 2

When the RAM is full to keep wanted programs open and running

Question 3

What needs to happen before the data in the virtual memory is used?

Answer 3

it needs to be transferred back to the RAM

Question 4

What can we do to overcome the use of virtual memory?

Answer 4

• quit programs

- add RAM

Question 5

What is disk thrashing?

Answer 5

having to keep switching from secondary storage and RAM, slowing down the machine. It often happens when secondary storage is used with pages and segments