COSC 89231

subject Type Homework Help
subject Pages 11
subject Words 1443
subject Authors Catherine Laberta

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page-pf1
PDLC
Approximately what percentage of U.S. households has opted to disconnect their
conventional landline telephones and rely on cellular service only?
A) 15
B) 20
C) 30
D) 25
A(n)________is a specially phrased question used to request information from a
client/server database.
A) query
B) question
C) data request
D) inquiry
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The quoted size of a monitor is determined by measuring it_________________.
A) depth-wise
B) vertically
C) horizontally
D) diagonally
CPU is an abbreviation for_______processing unit.
A) common
B) complex
C) calculation
D) central
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Which of the following statements about the issue of privacy is TRUE?
A) The privacy of individuals is protected by a patchwork of limited federal and state
laws and regulations.
B) Little exists to stop people and companies from acquiring and selling an individual's
personal information.
C) There is no comprehensive federal law governing the overall privacy rights of U.S.
citizens.
D) All of the above.
An expert system might be used to do the following:
A) for a manager who wants to create, edit, and manage multiple employees' schedules.
B) log and track the times of runners in a marathon and previous marathons.
C) for a doctor wishing to diagnose an illness based on a patient's symptoms.
D) run a database on a server so users can log in remotely.
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A network of high-capacity storage devices that link all of an organization's servers is
known as a(n):
A) WSAN.
B) SAN.
C) LSAN.
D) MSAN.
Which of the following is NOT an example of a credit reporting agency?
A) Experian
B) TransUnion
C) Equifax
D) InfoUSA
PowerPoint is an example of a:
A) spreadsheet application.
B) personal information manager.
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C) database application.
D) presentation graphics program.
Which of the following devices do NOT use radio waves to transmit its signal?
A) PDAs
B) Pager
C) Flash drive
D) Bluetooth-enabled desktop computer
Token
A) Central wiring device often used in a star topology
B) Occurs when two workstations attempt to access the LAN simultaneously
C) Unit of data that is passed in a ring topology
D) Has all nodes attached in a circular wiring arrangement
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Which of the following is the term for a gateway that provides a structured guide to
Internet material such as news, weather, sports, or e-mail?
A) Network access point
B) Search engine
C) Extranet
D) Portal
______________is a Web protocol that is used by public and private enterprises to
publish and share financial information with each other and industry analysts across all
computer platforms.
A) XML
B) HTML
C) XBRL
D) XHTML
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All of the following are involved in loading the operating system EXCEPT:
A) loading system configuration information.
B) searching for the operating system.
C) loading the kernel into the computer memory.
D) adjusting the setup program in the BIOS.
Uncontrolled changes or bumps that arise during a project that lead to increased costs
and a longer development schedule are called:
A) scope creep.
B) ERDs.
C) waterfalls.
D) ROIs.
Which of the following is another term for duplicating all enterprise data?
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A) Replicating
B) Mirroring
C) Fault tolerant
D) Contingency
Assume you developed a programming class to represent computers. Classes that
represent specialized types of printers, such as Acer or Dell, would be called:
A) subclasses.
B) super classes.
C) control classes.
D) objects.
Middleware is integral to modern information technology regarding all of the following
EXCEPT:
A) XML.
B) service-oriented architecture.
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C) interface and coding relationships.
D) Web services.
A hard disk drive consists of several fixed, rapidly rotating disks called:
A) cylinders.
B) RAIDs.
C) platters.
D) mini-disks.
Which of th e following input/output buses is used by today's PCs?
A) AGP
B) L2
C) PCI
D) CPU
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Which of the following types of objects is the LEAST likely to be stored as a binary
large object (BLOB)?
A) Picture file
B) Movie clip
C) Spreadsheet
D) ASCII text
Which of the following does a data flow diagram illustrate?
A) How much data will be used in the system.
B) How data moves through the existing system.
C) How data plays a role in the system.
D) How to categorize data for storage.
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Business Process Reengineering is most closely defined as something that:
A) disbands cross functional teams within the organization therefore saving costs.
B) seeks to replace all processes with automated ones reducing the company's expenses.
C) involves bringing in a consultant to evaluate the current computer systems.
D) uses information technology to save an organization money and bring about major
changes.
Bandwidth refers to:
A) a transmission medium.
B) protocol limitations.
C) the speed of the communications device.
D) the amount of data that can be transmitted through a communications channel.
Which of the following is NOT a way to access Web pages with a Web browser?
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A) Selecting a URL from the status bar
B) Clicking a button on the Links toolbar
C) Clicking the Download button
D) Typing a URL into the Address bar
Which of the following is the default Microsoft Windows sound file format?
A) SND
B) AU
C) MP3
D) WAV
Validation proves that you are using a(n)_____________copy of the software and not a
pirated version.
A) trial
B) up to date
C) legal
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D) group
In a cathode-ray tube monitor, which of the following three colors are combined to
produce various shades?
A) Blue, yellow, and green
B) Black, white, and gray
C) Red, green, and blue
D) Yellow, blue, and green
What is the transfer rate of fiber-optic cable?
A) 10 Gbps
B) 56 Mbps
C) 10 Mbps
D) 4 Kbps
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The communication layer that handles the address part of each packet so that it gets to
the right destination is called by the acronym ______.
Unlike infrared technologies, Bluetooth does not require a(n)_______line of sight
to connect devices.
Other terms for PCS (personal communication service) include second generation
or_______-band service.
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A combination of two terms__________means conducting business internationally
but adapting to the local tastes or trends.
DLP
The arrangement of internal components within the system unit is called the_____
factor.
The programming specifications that are created in Java and used to create reusable,
platform-independent Java components are called .
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Standardizing HTML and XHTML, as well as forcing the separation of content from
formatting, is the responsibility of the World Wide Web Consortium, which is known by
the acronym________ .
________occurs when two or more computers try access the LAN at the same time.
Text messaging is similar to using your phone for instant messaging.
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Like hackers,____________are obsessed with their reputations and leave calling cards
on the systems they penetrate.
Flash drive
The online exchange or trade of goods, services, or information between
individual_________consumers is called consumer-to-consumer or the acronym .

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