题目内容

A troubleshooting utility that identifies and eliminates nonessential files, frees up valuable disk space, and improves system performance:

A. File History
B. Disk Cleanup
C. Optimize Drives
D. Compactor

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BitDefender, Kaspersky, and Norton are examples of:

A. application packages
B. apps
C. operating systems
D. utility suites

This container houses most of the electrical components for a computer system.

A. chip carrier
B. system board
C. system unit
D. Unicode

The most popular mobile device.

A. all-in-one
B. desktop
C. smartphone
D. ultrabook

The mainboard or motherboard is also known as the:

A. computer c. mobile system
B. board processor
C. mobile system
D. system board