题目内容

Measures how tightly the magnetic charges can be packed next to one another on the disk.

A. density
B. cylinders
C. tracks
D. sectors

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USB drives are also known as:

A. flash drives
B. optical drives
C. ports
D. universal state bus

This hard-disk performance enhancement anticipates data needs.

A. disk caching
B. file compression
C. file decompression
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A. cylinders
B. tracks
C. densities
D. sectors

DVD stands for:

A. digital versatile disc
B. digital video data
C. dynamic versatile disc
D. dynamic video disc