Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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A(n) ____ device is the computer hardware that records and/or retrieves items to
and from storage media.
a. | concatenation | c. | resolved | b. | indexed | d. | storage |
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2.
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____ disks use magnetic particles to store data, instructions, and information
on a disk’s surface.
a. | Hard | c. | Optical | b. | Flash | d. | Indexed |
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3.
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Which is a magnetic storage medium?
a. | DVD | c. | ExpressCard | b. | hard disk | d. | flash memory
card |
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4.
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Experts estimate that hard disks using perpendicular recording will provide
storage capacities about ____ than disks using longitudinal recording.
a. | 10 times greater | c. | 100 times greater | b. | 10 times less | d. | 100 times less |
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5.
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A group of two or more integrated hard disks is called a(n) ____.
a. | pocket | c. | RAID | b. | UFC | d. | baseline |
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6.
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A disk ____ consists of a special-purpose chip and electronic circuits that
control the transfer of data, instructions, and information from a disk to and from the system bus
and other components in a computer.
a. | controller | c. | indexer | b. | router | d. | tablet |
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7.
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Which of the following is not an advantage of SAS over parallel
SCSI?
a. | reduced interference | b. | thicker, shorter cables | c. | less
expensive | d. | support for many more connected devices at once |
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8.
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With a storage capacity of 256 MB to 2 GB, a(n) ____ is used in digital cameras
and photo printers.
a. | Secure Digital | c. | Compact Flash | b. | xD Picture Card | d. | Express Card |
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9.
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With a storage capacity of 1 to 16 GB, a(n) ____ is used in digital cameras,
smart phones, and handheld game consoles.
a. | Compact Flash | c. | xD Picture Card | b. | Secure Digital | d. | Memory Stick |
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10.
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A(n) ____ is a high-capacity optical disc that users can read but not write on
or erase.
a. | DVD-R | c. | DVD-ROM | b. | DVD-RW | d. | Blu-ray |
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11.
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As pictured in the accompanying figure, ____ is a magnetically coated ribbon of
plastic capable of storing large amounts of data and information at a low cost.
a. | tape | c. | indexed data | b. | Opticon | d. | threaded memory |
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12.
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____ is a small sheet of film, usually about 4 x 6 inches, used to store
microscopic images of documents.
a. | Microfilm | c. | Microfiche | b. | Microtape | d. | Microsheet |
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13.
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A(n) ____ boot is the process of using the operating system to restart a
computer.
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14.
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As shown in the accompanying figure, to perform a warm boot, click the ____
command in the Shut down button menu.
a. | Stand By | c. | Restart | b. | Turn Off | d. | Cancel |
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15.
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In a(n) ____, the user types commands or presses special keys on the keyboard to
enter data and instructions.
a. | command-line interface | c. | performance-monitor interface | b. | menu-driven
interface | d. | graphical user
interface (GUI) |
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16.
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With a(n) ____ interface, users interact with menus and visual images such as
buttons and other graphical objects to issue commands.
a. | command-line interface | c. | performance-monitor interface | b. | menu-driven
interface | d. | graphical user
interface (GUI) |
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17.
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Multiple print jobs line up in a ____ within a buffer as shown in the
accompanying figure.
a. | queue | c. | page | b. | row | d. | virtual page |
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18.
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____ means the operating system automatically configures new devices as you
install them.
a. | Virtual memory | c. | Page logging | b. | Operational buffering | d. | Plug and Play |
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19.
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A performance ____ is a program that assesses and reports information about
various computer resources and devices.
a. | monitor | c. | reporter | b. | manager | d. | roster |
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20.
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A(n) ____ is a private combination of characters associated with the user name
that allows access to certain computer resources.
a. | folder | c. | user name | b. | password | d. | cipher |
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21.
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The accompanying figure lists a few of the utilities available in Windows 7; one
of the utilities available in Windows 7, a disk ____ utility searches for and removes unnecessary
files.
a. | diagnostic | c. | operator | b. | uninstaller | d. | cleanup |
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22.
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Which of the following is NOT an edition of Windows 7?
a. | Enterprise | c. | Home Premium | b. | Ultimate | d. | Starter |
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23.
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____ is a popular stand-alone file compression utility.
a. | Smasher | c. | CompUtil | b. | PKZIP | d. | All of the
above |
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24.
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Computer communications describes a process in which two or more computers or
devices transfer ____.
a. | data | c. | instructions | b. | information | d. | all of the
above |
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25.
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____ messaging, also called MMS, allows users to send graphics, pictures, video
clips, and sound files, as well as short text messages to a phone, another mobile device, or a
computer.
a. | Image | c. | Picture/video | b. | Graphics | d. | Unicode |
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26.
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Some services use the term video ____ to refer separately to the capability of
sending video clips.
a. | circuiting | c. | messaging | b. | posting | d. | spotting |
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27.
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A(n) ____ is a wireless network that provides Internet connections to mobile
computers and other devices.
a. | wi-spot | c. | quick spot | b. | hot link | d. | hot spot |
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28.
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All of the following are hot spot technologies EXCEPT ____.
a. | Wi-Fi | c. | IrDA | b. | WiMAX | d. | Bluetooth |
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29.
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A(n) ____ is a coffeehouse, restaurant, or other location that provides personal
computers with Internet access to its customers.
a. | cybercafé | c. | baseband | b. | wi-spot | d. | quick spot |
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30.
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As shown in the accompanying figure, a ____ is a network that covers a large
geographical area, such as a city, country, or the world.
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31.
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As shown in the accompanying figure, on a(n) ____ network one or more computers
acts as a server and the other computers on the network request services from the server.
a. | integrated | c. | client/server | b. | baseband | d. | workgroup |
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32.
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As shown in the accompanying figure, a(n) ____ controls access to the hardware,
software, and other resources on the network and provides a centralized storage area for programs,
data, and information.
a. | workgroup | c. | document manager | b. | server | d. | file manager |
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33.
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BitTorrent and Gnutella are examples of networking software that support ____
networking technology, as illustrated in the accompanying figure.
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34.
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A P2P network like the one in the accompanying figure sometimes is called a(n)
____ network.
a. | bus | c. | communications | b. | file sharing | d. | RFID |
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35.
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A network ____, like the one shown in the accompanying figure, refers to the
layout of the computers and devices in a communications network.
a. | topology | c. | latency | b. | mapping | d. | volume |
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36.
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Telephone networks, the Internet, and other networks with large amounts of
traffic use ____.
a. | DSL | c. | ISDN | b. | T1 lines | d. | ATM |
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37.
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All of the following are types of wired home networks EXCEPT ____.
a. | Ethernet | c. | phoneline network | b. | powerline cable network | d. | WLAN |
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38.
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Physical transmission media used in communications include ____ cable.
a. | twisted-pair | c. | fiber-optic | b. | coaxial | d. | all of the
above |
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39.
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____ is an electrical disturbance that can degrade communications.
a. | RFID | c. | Chatter | b. | Noise | d. | A hot spot |
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40.
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A(n) ____ check run on the data shown in the accompanying figure ensures that
users enter only alphabetic data into a field.
a. | alphabetic | c. | consistency | b. | range | d. | completeness |
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41.
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A(n) ____ check run on the data shown in the accompanying figure determines
whether a number is within a specified range.
a. | range | c. | consistency | b. | completeness | d. | alphabetic |
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42.
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In a typical file ____ system, each department or area within an organization
has its own set of files.
a. | synthesis | c. | analysis | b. | processing | d. | integration |
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43.
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When a company uses a(n) ____ approach, this enables many programs and users
share data.
a. | front-end | c. | database | b. | concatenated | d. | memory-based |
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44.
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Which of the following statements is not true of file processing systems?
a. | the records in one file relate to the records in other files | b. | they have redundant
data | c. | they isolate data | d. | maintenance tasks consume additional
time |
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45.
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A(n) ____ is a request for specific data from the database.
a. | capture | c. | form | b. | report | d. | query |
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46.
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Most DBMSs include a(n) ____ feature, like the one in the accompanying figure,
which has a graphical user interface to assist users with retrieving data.
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47.
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A(n) ____ uses the logs and/or backups to restore a database when it becomes
damaged or destroyed.
a. | redundancy | c. | recovery | b. | reboot | d. | refresh |
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48.
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A developer of a relational database refers to a field as a(n) ____.
a. | unit | c. | tuple | b. | attribute | d. | table |
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49.
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A(n) ____ is an item that contains data, as well as the actions that read or
process the data.
a. | unit | c. | index | b. | object | d. | key |
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50.
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A database administrator _____.
a. | requires a more technical view of data | c. | monitors the performance of the
database | b. | creates and maintains the data dictionary | d. | all of the
above |
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