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________ expands compressed files.


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

E) A) and C)
F) B) and C)

Correct Answer

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What is it called when servers on the Internet supply applications as a service,rather than a product?


A) digital versatile computing
B) service computing
C) cloud computing
D) optical computing

E) All of the above
F) A) and B)

Correct Answer

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Smartphones use which of these storage technologies?


A) optical drive
B) digital versatile disc
C) flash memory card
D) flash drive

E) A) and B)
F) A) and C)

Correct Answer

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A smoke particle,fingerprint,dust,or human hair could cause a hard disk head crash.

A) True
B) False

Correct Answer

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


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

E) None of the above
F) B) and C)

Correct Answer

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Facebook is an example of cloud storage.

A) True
B) False

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Secondary storage provides temporary or volatile storage.

A) True
B) False

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The process of saving information to a secondary storage device is referred to as embedding.

A) True
B) False

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These discs have a capacity of 50 gigabytes on one side.


A) HD DVD
B) CD
C) DVD
D) Blu-ray

E) C) and D)
F) A) and B)

Correct Answer

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Hard disks store and organize files using all the following,except ________.


A) tracks
B) sectors
C) cylinders
D) paths

E) A) and C)
F) A) and D)

Correct Answer

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The hi-def largest capacity format for optical discs is the ________ disc.


A) HD DVD
B) Blu-ray
C) HD CD
D) DVD-RAM

E) None of the above
F) B) and D)

Correct Answer

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Disk caching improves hard-disk performance by compressing files.

A) True
B) False

Correct Answer

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Three ways to improve the performance of a hard disk include ________.


A) disk caching,RAID,and file expansion
B) file compression,disk caching,and file encryption
C) disk caching,RAID,and file compression
D) RAID,file compression and disk expansion

E) A) and B)
F) A) and C)

Correct Answer

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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

E) All of the above
F) B) and C)

Correct Answer

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