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ch_8_ch_10_quiz.htm

True/False
Indicate whether the statement is true or false.
 
 
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 1. 

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. 

When you increase the resolution of an existing graphic, as illustrated in the accompanying figure, the file size decreases.
 
 
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 3. 

Individual objects in a vector graphic like the one in the accompanying figure cannot be easily stretched, shrunk, colored, moved and deleted.
 

 4. 

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.
 

 5. 

An information system must support the needs of people who engage in many different organizational activities.
 

 6. 

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. 

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.
 

 8. 

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. 

In the accompanying figure, the Enroll student item represents an external entity.
 

 10. 

Many projects fail because of constant, unmanaged demand for changes, a phenomenon often referred to as feature creep.
 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 11. 

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
 

 12. 

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
 

 13. 

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. 

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
 

 15. 

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.
 

 16. 

A ____ bit in a monochrome bitmap represents black.
a.
0
c.
56
b.
1
d.
255
 

 17. 

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
 

 18. 

Digital video file formats are sometimes referred to as ____ formats.
a.
baseline
c.
container
b.
integrated
d.
tracked
 

 19. 

____ 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
 

 20. 

Forcing users to pay for licenses before accessing content is sometimes referred to as ____ distribution.
a.
balanced
c.
prelicensing
b.
super
d.
format
 
 
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.
 

 21. 

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
 

 22. 

____ systems use a commit or rollback strategy to ensure that each transaction is processed correctly.
a.
TQM
c.
OLTP
b.
ERP
d.
JIT
 
 
nar007-1.jpg
 

 23. 

The accompanying figure shows an excerpt from a project team’s ____.
a.
application mapping
c.
application index
b.
application specification
d.
application glossary
 

 24. 

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
 

 25. 

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
 

 26. 

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
 

 27. 

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
 

 28. 

Computer systems are ____ when they can be counted on to function correctly.
a.
available
c.
reliable
b.
serviceable
d.
high-performing
 
 
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.
 

 29. 

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
 
 
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.
 

 30. 

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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