题目内容

RAM is sometimes referred to as:

A. primary storage
B. ratio active memory
C. read-only memory
D. secondary storage

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The actual physical material that holds the data and programs.

A. primary storage
B. media
C. capacity
D. access

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

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

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
D. RAID