题目内容

_______ improves hard-disk performance by anticipating data needs and reducing time to access data from secondary storage.

A. File decompression
B. Disk caching
C. Formatting
D. RAID

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A(n) _______ hard disk is typically connected to

A. USB or Thunderbolt port.internal
B. cloud
C. external
D. ethernet

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

_______ 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