题目内容

Which of the following is true about an internal hard disk?

A. Variable amount of storage
B. Often stores the operating system
C. Portable
D. Slow

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On a hard disk each track is divided into invisible wedge-shaped sections called _______.

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

The hard disk's surface is scratched and some or all of the data is destroyed when there is a _______.

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

Which of the following is not an example of secondary storage?

A. External hard drives
B. RAID
C. RAM
D. Flash drives

An external hard disk _______.

A. is heavy
B. is hard to remove
C. cannot be used in addition to an internal hard disk
D. usually connects to a USB or Thunderbolt port

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