题目内容

Troubleshooting or _____ programs recognize and correct problems.

A. backup
B. virtualization
C. diagnostic
D. file compression

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Disk Cleanup, File History, and Disk Defragmenter are all examples of _____ programs.

A. device driver
B. operating system
C. language translator
D. utility

_____ programs reduce the size of files so they require less storage space.

A. File compression
B. Device driver
C. Virtualization
D. Language translator

The _____ utility program eliminates unneeded files on your hard disk.

A. File Compression
B. Disk Cleanup
C. Virtualization
Disk Defragmenter

_____ programs make copies of files to be used in case the originals are lost or damaged.

A. File compression
B. Disk defragmenter
C. File history
Disk cleanup