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As shown in the accompanying figure, a disk's storage locations consist of wedge-shaped sections, which break the tracks into small arcs called ____________________. As shown in the accompanying figure, a disk's storage locations consist of wedge-shaped sections, which break the tracks into small arcs called ____________________.

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Why would you use an external hard drive (hard disk or SSD) instead of a second internal hard drive (hard disk or SSD)?

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Which of the following is a multisession optical disc on which users can write, but not erase, their own items such as text, graphics, and audio?


A) CD-R
B) CD-W
C) CD-RW
D) CD-RWR

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

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COGNITIVE ASSESSMENT You are looking for a way to choose specific files to back up, regardless of whether or not the files have changed since the last incremental backup. Which of the following will you use?


A) archival backup
B) differential backup
C) selective backup
D) full backup

E) None of the above
F) All of the above

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Which of the following kinds of devices are servers connected to a network with the sole purpose of providing storage?


A) RAID
B) RAS
C) NAS
D) RAN

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

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One reason users store data and information using cloud storage is to view time-critical data and images immediately while away from a main office or location.

A) True
B) False

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Like SCSI, ____________________ is a hard disk interface that uses parallel signals to transfer data, instructions, and information.

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Discuss how the speed of storage devices and memory is defined.

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Critical Thinking Questions Case 8-2 You began work as a consultant to individuals and businesses, making recommendations to them about the kinds of storage systems they should buy and what equipment they should have. Sayed is an enterprise user. Which of the following is the closest to the level of need for his business?


A) 20-40 TB of storage
B) 20-40 KB of storage
C) 20-40 GB of storage
D) 20-40 PB of storage

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

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COGNITIVE ASSESSMENT Which of the following disc types can be written onto, but not erased?


A) CD-X
B) CD-ROM
C) CD-RW
D) CD-R

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

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RFID is more secure than contactless smart cards.

A) True
B) False

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Critical Thinking Questions Case 8-1 In all of the advertisements for personal computers, vendors usually state the type of hard disk interface supported by the hard disk controller. Therefore, it is important that you understand the types of available hard disk interfaces, so that you can make the most informed choice possible. After more consideration, you have decided that what you want most is an interface that is less susceptible to interference. Which of the following is your best bet in this regard?


A) SATA
B) EIDE
C) SCSI
D) USB

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

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Microfilm and microfiche use is widespread.

A) True
B) False

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Discuss the life span of an optical disc, including the tips for proper care of optical discs.

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Which of the following is a small sheet of film, usually about 4 X 6 inches, that stores microscopic images of documents?


A) Microfilm
B) Microtape
C) Microfiche
D) Microsheet

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

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External hard drives never have greater capacities than internal hard drives.

A) True
B) False

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Which of the following terms is the number of bytes (characters) a storage medium can hold?


A) resolution
B) dimensionality
C) capacity
D) retention

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

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To start up, a computer or mobile device locates an operating system on its storage medium and loads it into ____________________.

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Identify the letter of the choice that best matches the phrase or definition.

Premises
Enclosed in an airtight, sealed case to protect it from contamination
A group of two or more integrated hard disks
Optical disc whose quality far surpasses that of CDs
A storage device that typically uses flash memory to store data, instructions, and information
Another name for random access
Administrators can quickly add storage to their network with this kind of device
Technology that uses radio signals to communicate with a tag placed in or attached to an object, an animal, or a person
A type of SCSI that uses serial signals to transfer data, instructions, and information
Format of a disc that can be written once and read many times
Sometimes used in descriptions of a storage device's capabilities, instead of access time
A hard disk that uses parallel signals to transfer data, instructions, and information
The operating system marks bad ones as unusable when a disk is formatted
Optical disc that users can read but not write on or erase
Describes a storage medium in which items are held only temporarily
The number of bits in an area on a storage medium
Its reliability tends to diminish with each successive rewrite
Also called a thumb drive
Kind of storage that is an Internet service providing storage to computer users
The number of bytes a storage medium can hold
Optical disc on which users can write once, but not erase, their own items
Responses
direct access
USB flash drive
SAS
RFID
WORM
density
DVD
CD-RW
sectors
CD-ROM
volatile
transfer rate
NAS
SSD
capacity
cloud
hard disk
RAID
EIDE
CD-R

Correct Answer

Enclosed in an airtight, sealed case to protect it from contamination
A group of two or more integrated hard disks
Optical disc whose quality far surpasses that of CDs
A storage device that typically uses flash memory to store data, instructions, and information
Another name for random access
Administrators can quickly add storage to their network with this kind of device
Technology that uses radio signals to communicate with a tag placed in or attached to an object, an animal, or a person
A type of SCSI that uses serial signals to transfer data, instructions, and information
Format of a disc that can be written once and read many times
Sometimes used in descriptions of a storage device's capabilities, instead of access time
A hard disk that uses parallel signals to transfer data, instructions, and information
The operating system marks bad ones as unusable when a disk is formatted
Optical disc that users can read but not write on or erase
Describes a storage medium in which items are held only temporarily
The number of bits in an area on a storage medium
Its reliability tends to diminish with each successive rewrite
Also called a thumb drive
Kind of storage that is an Internet service providing storage to computer users
The number of bytes a storage medium can hold
Optical disc on which users can write once, but not erase, their own items

RAID levels are hierarchical.

A) True
B) False

Correct Answer

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