True/False
Indicate whether the
statement is true or false.
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1.
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Inside an optical mouse is a ball that moves freely as you drag the mouse on a
surface.
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2.
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CRT monitors cost more than LCD monitors.
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3.
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The latest modem standard is V.92.
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4.
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When you turn on the PC, Windows Plug and Play detects a new hardware
device.
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5.
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A USB cable has three wires, two for power and one for communication.
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Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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6.
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A ____ keyboard needs a driver to work.
a. | wireless | c. | PS/2 | b. | DIN | d. | USB |
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7.
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A mouse that connects to the computer by using a dedicated, round PS/2 mouse
port coming directly from the motherboard is called a ____ mouse.
a. | serial | c. | bus | b. | motherboard | d. | wheel |
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8.
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A mouse that connects to the computer by using a mouse bus card that provides a
PS/2 mouse port is called a ____ mouse.
a. | serial | c. | bus | b. | motherboard | d. | wheel |
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9.
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A ____ is an input device that uses a monitor or LCD panel as the backdrop for
input options.
a. | keyboard | c. | trackball | b. | barcode reader | d. | touch screen |
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10.
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A ____ is an example of a barcode reader.
a. | mouse | c. | touch screen | b. | keyboard | d. | pen wand |
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11.
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A ____ can be used to identify a person’s fingerprints, handprints, face,
voice, eye, and handwritten signatures.
a. | barcode reader | c. | touch pad | b. | biometric device | d. | trackball |
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12.
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Most fingerprint readers that are not embedded in other devices use a ____
connection.
a. | PS/2 | c. | USB | b. | serial | d. | parallel |
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13.
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____ monitors are also called flat panel monitors for the desktop.
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14.
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Many monitors use ____ technology, in which the filaments at the back of the
cathode tube shoot a beam of electrons to the screen at the front of the tube.
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15.
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A(n) ____ monitor produces an image using a liquid crystal material made of
large, easily polarized molecules.
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16.
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____ display is sometimes called active matrix display.
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17.
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____ display is sometimes called passive matrix display.
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18.
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The ____ rate is the number of times in one second an electronic beam can fill
the screen with lines from top to bottom.
a. | draw | c. | refresh | b. | beam | d. | activation |
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19.
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For CRT monitors, ____ is a measure of how many spots on a CRT screen are
addressable by software.
a. | refresh rate | c. | triad | b. | resolution | d. | dot pitch |
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20.
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One or more serial, parallel, USB, or game ports can be provided by a(n) ____
controller card.
a. | extensions | c. | port | b. | I/O | d. | peripherals |
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21.
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When a serial port is used by an external modem, the serial port is called the
____ in documentation.
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22.
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When a serial port is used by an external modem, the modem is called the ____ in
documentation.
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23.
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____ refers to the logic on the motherboard that controls the serial ports on
the board.
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24.
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A USB ____, which for most motherboards is included in the chipset, manages the
USB bus.
a. | decoder | c. | host controller | b. | hub | d. | bus director |
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25.
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FireWire and i.Link are common names for the peripheral bus officially named
IEEE ____.
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26.
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Chips sometimes loosen because of thermal changes; this condition is called
____.
a. | bursting | c. | cracking | b. | chip creep | d. | chip mold |
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Completion
Complete each
statement.
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27.
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The word ____________________ means “designed for safe and comfortable
interaction between human beings and machines.”
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28.
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A(n) ____________________ is used to scan barcodes on products to maintain
inventory or at the point of sale (POS).
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29.
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____________________ CRT monitors draw a screen by making two passes.
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30.
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Each composite location on a CRT screen is really made up of three dots and is
called a(n) ____________________.
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31.
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An infrared ____________________ provides an infrared port for wireless
communication.
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Matching
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Identify the letter of the choice that best matches the phrase or
definition. a. | biometric device | f. | pixel | b. | graphics
accelerator | g. | FireWire | c. | trackball | h. | touch screen | d. | hub | i. | modem | e. | dot pitch |
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32.
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Can be thought of as an upside-down wheel mouse
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33.
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A grid that senses clicks and drags (similar to those created by a mouse) and
sends these events to the computer by way of a serial or USB connection
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34.
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An input device that inputs biological data about a person
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35.
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The distance between the spots, or dots, on a CRT screen that the electronic
beam hits
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36.
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An addressable location on a CRT screen
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37.
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A type of video card that has its own processor to boost performance
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38.
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Likely to replace SCSI as a solution for high-volume, multimedia external
devices such as digital camcorders, DVDs, and hard drives
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39.
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A device used by a PC to communicate over a phone line
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40.
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A device into which several devices can be plugged
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