You need to free up some extra hard drive space on a workstation. Which of the following is an
application in Windows that allows removal of unnecessary files?

A.
Disk Cleanup

B.
Delete command

C.
SCANDISK

D.
Defrag

Explanation:
The Disk Cleanup is a computer program tool included in Microsoft Windows designed to help free
up space on the computer user’s hard drive. It searches and analyze the hard drive, and then it
determine which files on a hard drive may no longer be needed and delete those files.