超星 - Chapter 7复习 - 查题吧

单选题

Which of these is not a mass storage device?

A. RAID system
B. File server
C. Optical disc
D. Organizational cloud storage

单选题

_______ speed is the measure of the amount of time required by a storage device to retrieve data and programs.

A. Pixel
Bit rate
C. Ethernet
D. Access

单选题

Tracks are divided into invisible wedge-shaped sections called _______.

A. sectors
B. cylinders
C. platters
D. bits

单选题

_______ 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

单选题

A(n) _______ hard disk is typically connected to

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

单选题

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

单选题

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

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

单选题

_______ expands compressed files.

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

单选题

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

单选题

USB drives are also known as _______ drives.

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

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