Multiple Choice
Identify the letter of the choice that best
completes the statement or answers the question.
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1.
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Henri
was informed by his technical crew that new computer screens were defective and had to be
replaced—a very costly problem. However, on further investigation it became apparent that the
problem could be corrected by replacing an inexpensive part. Henri’s original information was
not __________. a. | accurate | b. | incomplete | c. | relevant | d. | timely | | |
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2.
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Shania
required certain data regarding market demographics for her marketing report. She did not have ready
access to the data, however, and had to purchase it at a high price from a market research firm. The
price she paid represents the __________ cost. a. | storage | b. | retrieval | c. | storage | d. | acquisition | | |
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3.
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The
information Ned developed from his investigation had to be transmitted to many people throughout the
firm. The costs associated with this transmission of information are termed __________
costs. a. | processing | b. | communication | c. | retrieval | d. | storage | | |
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4.
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Lee is
using software to look for and test for specific patterns and relationships in a data set. Lee is
using __________. a. | supervised data
mining | b. | unsupervised data
mining | c. | affinity
patterns | d. | predictive
patterns | | |
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5.
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Brendan
was using unsupervised data mining and found that elements X and Y always occurred together and that
X always preceded Y. Brendan has discovered a(an) __________ pattern. a. | association | b. | affinity | c. | sequence | d. | predictive | | |
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6.
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Brandi
discovers that her e-mail system is clogged with large numbers of junk e-mails. These unwanted
messages are referred to as __________. a. | cookies | b. | referrers | c. | e-mail snooping | d. | spam | | |
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7.
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Kylie
is using a __________ to transform her data into complex, scrambled digital codes so that the data
can be viewed only by authorized personnel. a. | data encryption process | b. | virtual private network | c. | firewall | d. | virus | | |
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8.
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Shawna
and Pablo, who are at two different locations, are engaged in a conference that permitted them to
view and make comments about a document. They are using __________. a. | application sharing | b. | document conferencing | c. | desktop videoconferencing | d. | an executive system | | |
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9.
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Tyrone
is able to obtain some computer software at no cost to him. He has obtained
__________. a. | freeware | b. | shareware | c. | applications sharing | d. | electronic data interchange | | |
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10.
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Claude
is using a global network of networks that permits him to get data from anywhere in the world. Claude
is using __________. a. | an expert system | b. | an extranet | c. | the Internet | d. | a decision support system | | |
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True/False
Indicate whether the sentence or statement is true or
false.
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11.
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Shamiso
believes that the cost of computing drops by 50% every 18 months. She is a proponent of Moore’s
law.
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12.
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XYZ
Corporation moved first into a new market, and because of its enhanced technological capabilities it
was able to obtain a significant competitive advantage. XYZ has gained first-mover
advantage.
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13.
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Noreen
is using a device that permits her to convert text and pictures into digital images. She is using a
bar code.
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14.
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Using
data mining, Juan discovered three elements in the database that always occur together in a
significant fashion. He has found a predictive pattern.
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15.
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Donna
is using a system that helps her understand specific types of problems, how she might go about
solving them, and what their impact might be using various “what if” scenarios. She is
using an expert system.
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