Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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On desktop computers, the electronic components and ____ are part of the system
unit.
a. | most storage devices | c. | the monitor and the printer | b. | the keyboard and the
mouse | d. | all of the
above |
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2.
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For every instruction, a processor repeats a set of four basic operations, which
comprise a(n) ____: (1) fetching, (2) decoding, (3) executing, and (4) storing.
a. | information cycle | c. | data cycle | b. | machine cycle | d. | creative cycle |
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3.
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When 8 bits are grouped together as a unit, they form a(n) ____.
a. | key | c. | index | b. | cache | d. | byte |
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4.
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Generally, home users running Windows Vista and using basic application software
such as word processing should have at least ____ of RAM.
a. | 32 MB | c. | 512 MB | b. | 64 MB | d. | 1 GB |
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5.
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Memory ____ helps speed the processes of the computer because it stores
frequently used instructions and data.
a. | indexing | c. | cache | b. | pipelining | d. | rasterizing |
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6.
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____ time is the amount of time it takes the processor to read data,
instructions, and information from memory.
a. | Processing | c. | Access | b. | Connection | d. | Meter |
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7.
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A(n) ____ allows the processor to communicate with peripherals.
a. | expansion bus | c. | drive bus | b. | system bus | d. | memory bus |
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8.
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The first step in cleaning a computer is ____.
a. | turn it off, unplug it, and unplug all cables from the ports | b. | vacuum the fan on
the back of the computer case | c. | wipe the case with an antistatic
wipe | d. | open the case |
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9.
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The goal of ____ is to incorporate comfort, efficiency, and safety in the design
of the workplace.
a. | ergonomics | c. | RSI | b. | computer science | d. | economics |
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10.
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A(n) ____ mouse uses devices that emit and sense light to detect the
mouse’s movement.
a. | dynamic | c. | optical | b. | mechanical | d. | wireless |
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11.
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A ____ is a small, flat, rectangular pointing device that is sensitive to
pressure and motion.
a. | trackball | c. | pointing stick | b. | touchpad | d. | wheel |
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12.
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____ is the process of entering data by speaking into a microphone.
a. | MIDI | c. | Voice over | b. | Speech recognition | d. | Voice input |
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13.
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A(n) ____ is the smallest element in an electronic image.
a. | bit | c. | pixel | b. | candela | d. | nit |
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14.
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A(n) ____ conference is a meeting between two or more geographically separated
people who use a network or the Internet to transmit audio and video data.
a. | video | c. | dynamic | b. | distance | d. | professional |
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15.
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____ devices read hand-drawn marks such as small circles or rectangles.
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16.
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A(n) ____ frequently is used by the banking industry for check
processing.
a. | MICR reader | c. | bar code | b. | OCR | d. | OMR reader |
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Figure 5-1
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17.
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The quality of an LCD like the one in Figure 5-1 depends primarily on its
____.
a. | screen size | c. | base | b. | resolution | d. | voltage |
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18.
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Printer resolution is measured in ____.
a. | pixels | c. | hertz | b. | dots per inch | d. | pages per
minute |
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19.
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Two output options for blind users are ____.
a. | Braille printer and headset | b. | voice output and Braille
printer | c. | on-screen keyboard and head-mounted pointer | d. | head mounted pointer
and voice recognition |
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20.
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Which is a magnetic storage medium?
a. | DVD | c. | PC Card | b. | floppy disk | d. | flash memory
card |
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21.
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____ is the process of transferring data, instructions, and information from a
storage medium into memory.
a. | Reading | c. | Writing | b. | Running | d. | Loading |
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Figure 6-2
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22.
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As shown on the right in Figure 6-2, a(n) ____ hard disk is a hard disk that
users can insert and remove from a dock or a drive.
a. | external | c. | removable | b. | mobile | d. | portable |
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23.
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A(n) _____ stores items by using microscopic pits and lands in its middle layer
and is read by a laser beam.
a. | hard disk | c. | optical disc | b. | tape | d. | floppy |
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24.
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A(n) ____ disc can be read, written to, and erased.
a. | CD-ROM | c. | DVD-ROM | b. | CD-R | d. | DVD+RW |
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Figure 6-1
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25.
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Shown on the right in Figure 6-1, a(n) ____ is a removable flash memory device,
smaller than a PC Card, that fits in an ExpressCard slot.
a. | Secure Digital | c. | xD Picture Card | b. | ExpressCard module | d. | Express Map |
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True/False
Indicate whether the
statement is true or false.
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26.
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The case of the system unit is made of metal or plastic and protects the
internal electronic components from damage.
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27.
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A computer uses the binary system in which the digit 0 represents the electronic
state of on (presence of an electronic charge), and the digit 1 represents the electronic state of
off (absence of an electronic charge).
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28.
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Coding schemes such as ASCII make it possible for humans to interact with a
digital computer that processes only bits.
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29.
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Manufacturers state the size of memory chips and storage devices in terms of the
number of bytes the chip or device has available for storage.
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30.
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A megabyte (MB) is equal to approximately 1 billion bytes.
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31.
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Nonvolatile memory loses its contents when the power is removed from a
computer.
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Figure 4-3
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32.
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A bay is the same as a slot, and is used for the installation of adapter cards
like the one in Figure 4-3.
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Figure 4-1
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33.
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Serial ports like the one in Figure 4-1 connect devices that require fast data
transmission rates, such as a printer.
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Figure 5-3
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34.
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Kiosks often use touch screens like the one in Figure 5-3.
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35.
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Voice is one input method for smart phones.
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36.
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An ATM is a self-service banking machine that connects to a host computer
through a network.
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37.
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Signature verification systems use a specialized pen and tablet.
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38.
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Some newer keyboards and notebook computers have a fingerprint scanner built
into them.
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39.
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Some laser printers can print more than 150 pages per minute.
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40.
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Operating in a manner similar to a copy machine, a dye-sublimation printer
creates images using a laser beam and powdered ink, called toner.
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41.
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A disadvantage of multifunction peripherals is that they are significantly more
expensive than if a user purchased each device separately.
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42.
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A storage medium also is called secondary storage.
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43.
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The access time of memory is slow, compared with the access time of
storage.
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44.
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A typical hard disk can store a maximum of 1.44 MB of data.
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45.
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You can read from and write on a hard disk any number of times.
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46.
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Once users subscribe to an online storage service, they can save on the Internet
hard disk in the same manner they save on their local hard disk
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47.
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Floppy disks are not as widely used as they were 15 years ago because of their
low storage capacity.
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48.
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Most computers today do not include a floppy disk drive as standard
equipment.
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49.
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The process of copying audio and/or video data from a purchased disc and saving
it on digital media is called burning.
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50.
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One advantage of microfilm is that it reduces the amount of paper firms must
handle.
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Completion
Complete each
statement.
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51.
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The _________________________ interprets and carries out the basic instructions
that operate a computer.
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52.
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Most of today’s computers improve processing times with
_________________________.
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53.
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_________________________ refers to memory chips storing permanent data and
instructions.
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54.
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_________________________ is a type of nonvolatile memory that can be erased
electronically and rewritten.
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Figure 4-3
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55.
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A(n) _________________________, such as that shown in Figure 4-3, is a socket on
the motherboard that can hold an adapter card.
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56.
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A(n) ____________________ is an input device that contains keys users press to
enter data and instructions into a computer.
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57.
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The ____________________ is a motion-sensing input device that uses Bluetooth
wireless technology to communicate with the Wii game console.
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58.
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A(n) ____________________ captures curves and indentations in a
fingerprint.
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59.
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____________________ is data that has been processed into a useful form.
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Figure 5-1
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60.
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A(n) ____________________, also called a flat panel monitor, like the one shown
in Figure 5-1, uses a liquid crystal display to produce images.
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61.
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A(n) ____________________ printer is a type of nonimpact printer that forms
characters and graphics by spraying tiny drops of liquid ink onto a piece of paper.
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62.
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____________________ are audio output devices that rest inside the ear
canal.
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63.
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A(n) ____________________ is a device that codes and encodes documents so they
can be transmitted over telephone lines.
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64.
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A(n) ____________________ is the physical material on which a computer keeps
data, instructions, and information.
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65.
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A(n) ____________________ is the computer hardware that records and/or retrieves
items to and from storage media.
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66.
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____________________ disks use magnetic particles to store data, instructions,
and information on a disk’s surface.
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67.
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A(n) ____________________ is a self-contained unit that you insert in and remove
from a slot or USB port in a device or a computer.
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68.
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A(n) ____________________ 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.
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Figure 6-5
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69.
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As pictured in Figure 6-5, ____________________ is a magnetically coated ribbon
of plastic capable of storing large amounts of data and information at a low cost.
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70.
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A(n) ____________________ is a thin, credit-card-sized device that fits into a
PC Card slot.
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Matching
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Identify the letter of the choice that best matches the phrase or
definition. a. | keyboard | f. | DVI | b. | OCR | g. | resolution | c. | smart card | h. | sensor | d. | nonimpact | i. | impact | e. | digital | j. | flash |
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71.
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An optical mouse has this on its underside.
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72.
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Some PDAs have a miniature one of these built in
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73.
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Some digital cameras use this kind of memory to store images
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74.
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Many scanners include this kind of software
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75.
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Sometimes used to store biometric data
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76.
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Type of port used by an LCD monitor; displays the highest-quality
images
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77.
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Kind of signal used by all LCD monitors to produce an image
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78.
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One factor that determines the quality of an ink-jet printer
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79.
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A laser printer is this kind of printer
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80.
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A line printer is this kind of printer
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Identify the letter of the choice that best matches the phrase or
definition. a. | platters | f. | miniature hard
disks | b. | tape | g. | SCSI | c. | FireWire | h. | SATA | d. | smart
cards | i. | direct | e. | cylinder | j. | microfilm |
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81.
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The vertical section of a track that passes through all platters
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82.
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These have storage capacities that range from 4 GB to 250 GB
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83.
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The number of these determines the capacity of a hard disk
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84.
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Interface that can support up to 8 or 15 peripheral devices
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85.
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The primary advantage of this hard disk interface is its cables are thinner,
longer, more flexible, and less susceptible to interference
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86.
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One of the first storage media used with mainframe computers
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87.
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Type of access for hard disks and DVDs
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88.
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Port to which card reader/writers can connect on the system unit
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89.
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Contain a processor and have input, process, output, and storage
capabilities
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90.
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Has a very long potential life expectancy
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