True/False Indicate whether the
statement is true or false.
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1.
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You can use a scanner, like the one in the accompanying figure, to convert a
printed image into a bitmap graphic.
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2.
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When you increase the resolution of an existing graphic, as illustrated in the
accompanying figure, the file size decreases.
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3.
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Individual objects in a vector graphic like the one in the accompanying figure
cannot be easily stretched, shrunk, colored, moved and deleted.
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4.
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Because desktop, Web-based, and PDA videos are shown on a small computer screen
at a fairly low resolution, recording with an inexpensive camera will not make a difference on the
quality of the final video.
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5.
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An information system must support the needs of people who engage in many
different organizational activities.
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6.
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A small business might require several information systems be integrated into an
enterprise information system to support a variety of business activities.
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7.
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As illustrated in the accompanying figure, a neural network is a software tool
containing an inference engine and a user interface that developers use to enter facts and rules for
the knowledge base.
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8.
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In the SDLC, the goal of the activities in the planning phase is to create a
list of requirements for the new or revised information system.
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9.
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In the accompanying figure, the Enroll student item represents an external
entity.
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10.
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Many projects fail because of constant, unmanaged demand for changes, a
phenomenon often referred to as feature creep.
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Multiple Choice Identify the
choice that best completes the statement or answers the question.
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11.
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Streaming audio does NOT ____.
a. | play files as they download | c. | cause lengthy delays as files
download | b. | provide the technology for podcasts | d. | support voice chat
sessions |
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12.
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A MIDI sequence contains all of the following EXCEPT ____.
a. | the pitch of a note | c. | duration of the note | b. | the volume of the note | d. | a wavetable |
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13.
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If your computer and your camera have ____ ports, you can connect a cable
between these two ports to transfer the photo data.
a. | memory | c. | FireWire | b. | Flash | d. | adapter |
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14.
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With images that contain strong curved or diagonal lines, pixel interpolation
can result in ____ effects, such as those in the accompanying figure.
a. | cropped | c. | dithered | b. | pixelated | d. | monochromatic |
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15.
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You have just decreased the number of pixels, resolution and file size of your
graphic by selecting a portion of the image. What have you done to your graphic?
a. | You have zoomed in on your graphic. | c. | You have pixelated your
graphic. | b. | You have cropped your graphic. | d. | You have rastered your
graphic. |
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16.
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A ____ bit in a monochrome bitmap represents black.
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17.
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A ____ is a smooth blending of shades from one color to another, or from light
to dark.
a. | dither | c. | gradient | b. | metafile | d. | trace |
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18.
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Digital video file formats are sometimes referred to as ____ formats.
a. | baseline | c. | container | b. | integrated | d. | tracked |
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19.
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____ is a well-known DRM technology designed to encrypt and control the use of
content stored on DVDs.
a. | DeCSS | c. | CSS | b. | AACS | d. | Revocation |
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20.
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Forcing users to pay for licenses before accessing content is sometimes referred
to as ____ distribution.
a. | balanced | c. | prelicensing | b. | super | d. | format |
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Case-Based Critical Thinking Questions Case 8-4
Joseph is
working in a modern office with speech recognition equipment, including a computer that is capable of
both understanding and producing sounds resembling spoken words. His first step is to train the
computer to recognize his speaking style, taking into account his accent, pronunciation, and
idiomatic expressions.
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21.
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Joseph has noticed that a visually impaired co-worker has a ____ to read the
computer screen aloud when she browses the Internet.
a. | speech recognizer | c. | speech synthesizer | b. | rasterizer | d. | MIDI |
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22.
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____ systems use a commit or rollback strategy to ensure that each transaction
is processed correctly.
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23.
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The accompanying figure shows an excerpt from a project team’s
____.
a. | application mapping | c. | application index | b. | application specification | d. | application
glossary |
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24.
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Many projects fail because of constant, unmanaged demand for changes, even
before the system is implemented. This failure to constrain change is often referred to as
____.
a. | concatenation | c. | feature creep | b. | preapproval | d. | redevelopment |
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25.
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Which quality of service (QoS) metric is defined as the number of errors
occurring in a particular time interval for a particular function?
a. | response time | c. | user levels | b. | accuracy | d. | capacity |
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26.
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Which quality of service (QoS) metric is defined as the amount of time a system
is not available for processing?
a. | capacity | c. | downtime | b. | accessibility | d. | throughput |
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27.
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A ____ metric is a technique for measuring a specific characteristic by
monitoring system performance and analyzing responses to user satisfaction surveys.
a. | PIECES | c. | programming | b. | quality of service (QoS) | d. | satisfaction |
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28.
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Computer systems are ____ when they can be counted on to function
correctly.
a. | available | c. | reliable | b. | serviceable | d. | high-performing |
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Case-Based Critical Thinking Questions Case 10-1
In order to
become more efficient, your company has restructured its management team. You are to convey these
changes to the rest of the company.
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29.
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Due to the reorganization, Joe Smith will now supervise other employees, approve
new products, and authorize new construction. Joe Smith is now a(n) ____.
a. | accountant | c. | manager | b. | worker | d. | vice-president |
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Case-Based Critical Thinking Questions Case 10-3
Cara and her
sister Bella are the owners of Butterfly Ltd., a clothing boutique. It began as a small women’s
accessory business that was run out of their parents’ garage and has since expanded into a
store in the local mall. Up to this point, Butterfly Ltd.’s information system consisted of a
series of databases stored on a laptop computer. Because the company is expanding so rapidly, Cara
and Bella feel they need to convert their information system to a more efficient system that can
better assist in data analysis.
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30.
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Cara and Bella want to avoid the risks of a direct conversion to a new
information system because they have no backup for their current system. Which type of conversion
would allow them to continue to use the old system during the conversion process?
a. | pilot conversion | c. | logical conversion | b. | inline conversion | d. | parallel
conversion |
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