Question 1

The process of determining if a model is an accurate representation of the real system is called

Accepted Answer

A)  the null hypothesis. 
B)  software engineering. 
C)  synthesis. 
D)  validation. 
E)  verification. 
A)  the null hypothesis. 
B)  software engineering. 
C)  synthesis. 
D)  validation. 
E)  verification. D

Question 2

Which mistake was not made by AECL, the manufacturer of the Therac-25?

Accepted Answer

A)  It did not include software or hardware devices to detect and report overdoses. 
B)  It did not tell other hospitals about possible overdose incidents. 
C)  It reused code without proper testing. 
D)  It continued to sell the Therac-25 after the FDA declared it to be defective. 
E)  AECL made all of these mistakes, and more. 
A)  It did not include software or hardware devices to detect and report overdoses. 
B)  It did not tell other hospitals about possible overdose incidents. 
C)  It reused code without proper testing. 
D)  It continued to sell the Therac-25 after the FDA declared it to be defective. 
E)  AECL made all of these mistakes, and more. D

Question 3

A software bug in a trading program at the Stock Exchange caused a securities firm to lose $225 million in 2005.

Accepted Answer

Tokyo

Question 4

To avoid a repeat of the problems plaguing the 2000 U.S. Presidential election, Congress passed the Help America Vote Act of 2002, providing states with money to replace .

Accepted Answer

punch card

Question 5

A computer used as a component of a larger system is called

Accepted Answer

A)  an embedded system. 
B)  a mainframe computer. 
C)  a network. 
D)  an operating system. 
E)  a personal computer . 
A)  an embedded system. 
B)  a mainframe computer. 
C)  a network. 
D)  an operating system. 
E)  a personal computer .

Question 6

On the afternoon of January 15, 1990, the long distance network of suffered a significant disruption of service.

Accepted Answer

The answer of On the afternoon of January 15, 1990,...

Question 7

During the Gulf War, the U.S. Army's missile system failed to shoot down a Scud missile that killed 28 soldiers in Saudi Arabia.

Accepted Answer

The answer of During the Gulf War, the U.S. Army's...

Question 8

The Mars Climate Orbiter crashed on the surface of Mars because

Accepted Answer

A)  one program output thrust in terms of foot-pounds, and another program expected thrust to be expressed in terms of newtons. 
B)  the probe lost contact with the Jet Propulsion Laboratory when it entered the Martian atmosphere. 
C)  a bug in the computer program caused the vehicle to consume too much fuel on the way to Mars, leaving an inadequate supply for landing. 
D)  the extreme cold of deep space caused the computer to crash. 
E)  before programmers went on strike at subcontractor Lockheed Martin, one of them sabotaged the flight control software. 
A)  one program output thrust in terms of foot-pounds, and another program expected thrust to be expressed in terms of newtons. 
B)  the probe lost contact with the Jet Propulsion Laboratory when it entered the Martian atmosphere. 
C)  a bug in the computer program caused the vehicle to consume too much fuel on the way to Mars, leaving an inadequate supply for landing. 
D)  the extreme cold of deep space caused the computer to crash. 
E)  before programmers went on strike at subcontractor Lockheed Martin, one of them sabotaged the flight control software.

Question 9

Which of these problems was not encountered by BAE as it tried to install an automated baggage handling system at Denver International Airport?

Accepted Answer

A)  The system misrouted luggage carts. 
B)  The bar code printers didn't print tags clearly enough to be read by the scanners. 
C)  Workers painted over electric eyes installed in the underground tunnels. 
D)  The automated baggage handlers shredded some of the luggage. 
E)  The system encountered all of these problems and more. 
A)  The system misrouted luggage carts. 
B)  The bar code printers didn't print tags clearly enough to be read by the scanners. 
C)  Workers painted over electric eyes installed in the underground tunnels. 
D)  The automated baggage handlers shredded some of the luggage. 
E)  The system encountered all of these problems and more.

Question 10

The AT&T long-distance network did not collapse entirely on January 15, 1990, because

Accepted Answer

A)  the U.S. Secret Service arrested the culprits before they could do any further damage. 
B)  AT&T technicians rapidly fixed the software bug in the routing switches. 
C)  MCI loaned some equipment to AT&T. 
D)  the faulty computers shut themselves off before they could do any further damage. 
E)  not all the routing switches had been converted to the latest software. 
A)  the U.S. Secret Service arrested the culprits before they could do any further damage. 
B)  AT&T technicians rapidly fixed the software bug in the routing switches. 
C)  MCI loaned some equipment to AT&T. 
D)  the faulty computers shut themselves off before they could do any further damage. 
E)  not all the routing switches had been converted to the latest software.

Question 11

Which of these statements about the National Crime Information Center NCIC) is true?

Accepted Answer

A)  The NCIC databases contain about 40 million records. 
B)  Improper use of the NCIC has led to about 1 million false arrests. 
C)  Local law enforcement agencies enter 99 percent of the information that is in the NCIC databases. 
D)  The Department of Homeland Security is in charge of the NCIC. 
E)  All of these statements are true. 
A)  The NCIC databases contain about 40 million records. 
B)  Improper use of the NCIC has led to about 1 million false arrests. 
C)  Local law enforcement agencies enter 99 percent of the information that is in the NCIC databases. 
D)  The Department of Homeland Security is in charge of the NCIC. 
E)  All of these statements are true.

Question 12

Computers that process data from sensors as events occur are called

Accepted Answer

A)  distributed computers. 
B)  event-driven simulations. 
C)  pseudo-sensory systems. 
D)  real-time systems. 
E)  time-activated systems. 
A)  distributed computers. 
B)  event-driven simulations. 
C)  pseudo-sensory systems. 
D)  real-time systems. 
E)  time-activated systems.

Question 13

Computers that process data from sensors as events occur are called systems.

Accepted Answer

The answer of Computers that process data from sensors as...

Question 14

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 .

Accepted Answer

The answer of The inability of BAE Automated Systems to...

Question 15

The process of determining if a computer program correctly implements a mathematical model is called .

Accepted Answer

The answer of The process of determining if a computer...

Question 16

By making the PDP 11 minicomputer an integral part of the Therac-25, AECL was able to

Accepted Answer

A)  reduce costs by replacing hardware safety features with software safety features. 
B)  increase the stock price of its subsidiary Digital Equipment Corporation. 
C)  shrink the size of the machine considerably. 
D)  eliminate the need for lead shielding. 
E)  All of the above 
A)  reduce costs by replacing hardware safety features with software safety features. 
B)  increase the stock price of its subsidiary Digital Equipment Corporation. 
C)  shrink the size of the machine considerably. 
D)  eliminate the need for lead shielding. 
E)  All of the above

Question 17

Between 1985 and 1987 the linear accelerator administered massive overdoses to six patients, causing the deaths of three of them.

Accepted Answer

The answer of Between 1985 and 1987 the linear accelerator...

Question 18

Mizuho Securities lost $225 million when

Accepted Answer

A)  hackers broke into its trading system and raided the accounts of 10,000 of its most important customers. 
B)  a bug in its billing system caused it to send out improper invoices to 10,000 of its most important customers. 
C)  a bug in its currency trading system caused it to sell yen and purchase dollars when it should have purchased yen and sold dollars. 
D)  it tried unsuccessfully to automate the Tokyo Stock Exchange. 
E)  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. 
A)  hackers broke into its trading system and raided the accounts of 10,000 of its most important customers. 
B)  a bug in its billing system caused it to send out improper invoices to 10,000 of its most important customers. 
C)  a bug in its currency trading system caused it to sell yen and purchase dollars when it should have purchased yen and sold dollars. 
D)  it tried unsuccessfully to automate the Tokyo Stock Exchange. 
E)  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.

Question 19

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

Accepted Answer

A)  artificial intelligence. 
B)  computer engineering. 
C)  computer science. 
D)  software simulation. 
E)  software engineering. 
A)  artificial intelligence. 
B)  computer engineering. 
C)  computer science. 
D)  software simulation. 
E)  software engineering.

Question 20

Computer simulations can

Accepted Answer

A)  accurately predict the weather a month in advance. 
B)  save automobile manufacturers time and money as they develop new cars. 
C)  prove our planet is overpopulated. 
D)  All of the above 
E)  None of the above 
A)  accurately predict the weather a month in advance. 
B)  save automobile manufacturers time and money as they develop new cars. 
C)  prove our planet is overpopulated. 
D)  All of the above 
E)  None of the above

The process of determining if a model is an accurate representation of the real system is called

Which mistake was not made by AECL, the manufacturer of the Therac-25?

A software bug in a trading program at the Stock Exchange caused a securities firm to lose $225 million in 2005.

To avoid a repeat of the problems plaguing the 2000 U.S. Presidential election, Congress passed the Help America Vote Act of 2002, providing states with money to replace .

A computer used as a component of a larger system is called

On the afternoon of January 15, 1990, the long distance network of suffered a significant disruption of service.

During the Gulf War, the U.S. Army's missile system failed to shoot down a Scud missile that killed 28 soldiers in Saudi Arabia.

The Mars Climate Orbiter crashed on the surface of Mars because

Which of these problems was not encountered by BAE as it tried to install an automated baggage handling system at Denver International Airport?

The AT&T long-distance network did not collapse entirely on January 15, 1990, because

Which of these statements about the National Crime Information Center NCIC) is true?

Computers that process data from sensors as events occur are called

Computers that process data from sensors as events occur are called systems.

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 .

The process of determining if a computer program correctly implements a mathematical model is called .

By making the PDP 11 minicomputer an integral part of the Therac-25, AECL was able to

Between 1985 and 1987 the linear accelerator administered massive overdoses to six patients, causing the deaths of three of them.

Mizuho Securities lost $225 million when

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

Computer simulations can

Catalysts for Change

Introduction to Ethics

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Intellectual Property

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Privacy and the Government

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Exam 8: Computer Reliability

The process of determining if a model is an accurate representation of the real system is called

Which mistake was not made by AECL, the manufacturer of the Therac-25?

A software bug in a trading program at the Stock Exchange caused a securities firm to lose $225 million in 2005.

To avoid a repeat of the problems plaguing the 2000 U.S. Presidential election, Congress passed the Help America Vote Act of 2002, providing states with money to replace .

A computer used as a component of a larger system is called

On the afternoon of January 15, 1990, the long distance network of suffered a significant disruption of service.

During the Gulf War, the U.S. Army's missile system failed to shoot down a Scud missile that killed 28 soldiers in Saudi Arabia.

The Mars Climate Orbiter crashed on the surface of Mars because

Which of these problems was not encountered by BAE as it tried to install an automated baggage handling system at Denver International Airport?

The AT&T long-distance network did not collapse entirely on January 15, 1990, because

Which of these statements about the National Crime Information Center NCIC) is true?

Computers that process data from sensors as events occur are called

Computers that process data from sensors as events occur are called systems.

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 .

The process of determining if a computer program correctly implements a mathematical model is called .

By making the PDP 11 minicomputer an integral part of the Therac-25, AECL was able to

Between 1985 and 1987 the linear accelerator administered massive overdoses to six patients, causing the deaths of three of them.

Mizuho Securities lost $225 million when

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

Computer simulations can

Catalysts for Change

Introduction to Ethics

Networked Communications

Intellectual Property

Information Privacy

Privacy and the Government

Computer and Network Security

Professional Ethics

Work and Wealth

Filters