The discipline focused on the production of software, as well as the development of tools, methodologies, and theories supporting software production, is most accurately called
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software engineering
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The process of determining if a model is an accurate representation of the real system is called
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validation
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Computer stimulations can
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save automobile manufacturers time and money as they develop new cars
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Which mistake was not made by AECL, the manufacturer of the Therac-25?
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it continued to sell the Therac-25 after the FDA declared it to be defective
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By making the PDP 11 minicomputer an integral part of the Therac-25, AECL was able to
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reduce costs by replacing hardware safety features with softwares safety features
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Some computer experts have spoken out against the conversion to touch-screen voting machines because
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they do not have a paper audit trail
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Mizuho Securities lost $225 million when
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one of its employees mistyped a sell order, and a bug in the Tokyo Stock Exchange trading program made it impossible to cancel the order.
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Which of these problems was not encountered by BAE as it tried to install an automated baggage handling system at Denver International Airport?
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the system encountered all of those problems and more
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The Mars Climate Orbiter crashed on the surface of Mars because
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one program output thrust in terms of foot-pounds, and another program expected thrust to be expressed in terms of newtons
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The AT&T long-distance network did not collapse entirely on January 15, 1990 because
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not all the routing switches had been converted to the latest software
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The Ariane 5 satellite launch vehicle failed because
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code that worked correctly on the Ariane 4 failed on the Ariane 5
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The Patriot missile system
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All of the above---was designed to shoot down airplanes...failed to shoot down a Scud missile that killed 28 US soldiers in the Gulf War...failed because it had been left running too long...failed because of a computer error
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Computers that process data from sensors as events occur are called
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real-time systems
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A computer used as a component of a larger system is called
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an embedded system
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Which of the these statements about the National Crime Information Center(NCIC) is true?
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The NCIC databases contain about 40 million records
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Software engineers use a four-step process to develop a software product. These steps are called ___
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specification, development, validation and evolution
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The process of determining if a computer program correctly implements a mathematical model is called ___
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verification
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Between 1985 and 1987 the ___ linear accelerator administered massive overdose to six patients, causing the deaths of three of them
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Therac-25
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To avoid a repeat of the problems plaguing the 2000 US Presidential election, Congress passed the Help America Vote Act of 2002, providing states with money to replace ___
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punch card voting systems
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A software bug in a trading program at the ___ Stock Exchange caused a securities firm to lose $225 million in 2005
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Tokyo
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The inability of BAE Automated Systems to create an automated baggage handling system led to a significant delay in the opening of the new airport outside the city of ___
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Denver
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In 1999 computer errors led to the loss of two NASA probes to ___
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Mars
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On the afternoon of January 15, 1990, the long distance network of ___ suffered a significant disruption of service
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AT&T
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The Ariane 5 satellite launch vehicle designed by the ___ space agency
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French
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During the Gulf War, the US Army's ___ missile system failed to shoot down a Scud missile that killed 28 soldiers in Saudi Arabia
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Patriot
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Computers that process data from sensors as events occur are called ___ systems
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real-time
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A computer used as a component of the larger system is called an ___ system
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embedded
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