Computer Science for IGCSE & O level - Hardware (Section 2 - No. 47)
What does 'disk thrashing' refer to in a system using virtual memory?
A disk that has been fragmented.
Excessive swapping of data between RAM and the hard drive, degrading performance.
An error in the hard drive's read/write mechanism.
The process of erasing files from the hard drive.
Explanation
Thrashing is the constant movement of data between RAM and the hard drive when virtual memory is used.