题目内容

A(n) _______ occurs when a read-write head makes contact with the hard disk's surface or with particles on its surface.

A. track crash
B. cylinder crash
C. sector crash
D. head crash

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_______ programs scan files for ways to reduce the amount of required storage.

A. File compression
B. Disk caching
C. File decompression
Data caching

_______ expands compressed files.

A. Disk caching
B. File decompression
C. Data caching
D. File compression

Due to its expanded storage capability, fast access speed, and high reliability, _______ is (are) often used by Internet servers and large organizations.

A. RAM
B. external hard drives
C. RAID
D. flash drives

USB drives are also known as _______ drives.

A. RAID
B. external hard
C. RAM
D. flash