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Terms in this set (25)
True or False
Hardware consists of programs that tell a computer how to function.
False
True or False
The application of electronic technologies for searching, sifting, and reorganizing pools of data to uncover useful information is called data warehousing.
False
True or False
System software tells the computer's hardware how to interact with the software, what resources to use, and how to use them.
True
True or False
Through data mining, a manager can access demographic information on customers, for example, in order to decide which advertising media may be best to use.
True
Who has access to intranets generally?
A) employees
B) suppliers
C) customers
D) shareholders
E) dealers
A) employees
What is a computer-based system that allows people to communicate simultaneously from different locations via telephone, e-mail, or video?
A) groupware
B) a data
communication network
C) a management information system
D) electronic conferencing
E) hypertext
D) electronic conferencing
What feature allows people in remote locations to work simultaneously on one document?
A) videoconferencing
B) voice mail
C) dataconferencing
D) digital information service
E) text messaging
C) data conferencing
What type of network links computers and workstations, usually within one building?
A) satellite communication
B) global positioning
C) personal digital
D) wide area
E) local area
E) local area
What feature does a firewall provide?
A) Internet access
B) protection from electrical surges
C) connectivity between stations in a LAN
D) privacy
protection
E) links to computers in a WAN
D) privacy protection
Which type of communication technology is attractive to businesses because it eliminates travel expenses?
A) VSAT satellite communications
B) extranets
C) intranets
D) electronic conferencing
E) client-server networks
D) electronic conferencing
Who is the person in charge of operating the systems used for gathering, organizing, and distributing information?
A) production manager
B) operations manager
C) information systems manager
D) research and development manager
E) communications manager
C) information system manager
What is the term used for searching, sifting, and reorganizing pools of data to uncover useful information?
A) data
warehousing
B) data access
C) data tapping
D) data cleaning
E) data mining
E) data mining
Which cybercriminal activity refers to the act of luring Internet users to bogus websites?
A) computer virus distribution
B) spamming
C) phishing
D) Trojan horse distribution
E) piracy
C) phishing
Which term refers to the unauthorized stealing of personal information from a computer system?
A) espionage
B) leverage
C) denial of service
D) identity theft
E) network flooding
D) identity theft
What is "spam"?
A) a form of firewall
B) intellectual property
C) junk e-mail
D) a form of hacking
E) wireless mooching
C) junk e-mail
What is the name of software and hardware that prevent hackers from accessing a company's internal network?
A) partition
B) firewall
C) extranet
D) index
E) security
B) firewall
What are keyboards, monitors, and printers examples of?
A) control
B) hardware
C) software
D) databases
E) servers
B) hardware
Which of the following BEST describes information?
A) the useful interpretation of facts and figures
B) a list of company names provided by the local Chamber of Commerce
C) the collection of raw facts and figures
D) controlled flow of words for a useful purpose
E) databases and flowcharts
A) the useful interpretation of facts and figures
Which of the following supports an organization's managers by providing daily reports, schedules, plans, and budgets?
A) management application systems
B) management operations systems
C) management information systems
D) management expert systems
E) management enterprise systems
C) management information systems
What is a management information system?
A) a system that supports managers by
providing daily reports, schedules, plans, and budgets that can be used for making decisions
B) an easy-access application of an information system designed for instant access by upper-level managers
C) an information processing application for use in business activities involving well-defined processing steps
D) an interactive system that locates and presents information needed to support the decision-making process
E) a repository of information resources related to the collection
of data
A) a system that supports managers by providing daily reports, schedules, plans, and budgets that can be used for making decisions
A small parochial school uses handwritten timecards and attendance sheets to calculate biweekly payroll and vacation time. Which statement, if true, would BEST support the idea by managers to convert to computer software to maintain employee records?
A) The school has
multiple types of employees, with different work schedules and different contracts, whose hours are calculated by hand.
B) Part-time staffing has been allocated for payroll and human resource function.
C) Employees often submit their timecards incorrectly.
D) Employees often forget to submit their vacation request forms.
E) The existing management is eager to switch to the new system for human resources.
A) The school has multiple types of employees, with different work schedules and different contracts, whose hours are calculated by hand.
The increase of technology in the workplace has resulted in more employees working at home and telecommuting. Telecommuting employees rely heavily on e-mail communication to complete work tasks. Which statement, if true, BEST supports those who claim that e-mail communication fosters increased misunderstandings?
A) The high volume of e-mail
discourages employees from interacting with coworkers face to face, thus leading to more misunderstandings.
B) Most e-mail communication among workers is polite and to the point.
C) People who e-mail frequently don't know how to communicate verbally with others.
D) E-mail fosters more nonverbal communications between workers in a company.
E) Workers communicate more frequently about work when e-mailing.
A) The high volume of e-mail discourages employees from interacting with coworkers face to face, thus leading to more misunderstandings
Which type of IT threat can spread without a computer user needing to open any software?
A) worms
B) Trojan horses
C) spam
D) spyware
E) computer viruses
A) worms
Which of the following BEST describes a firewall?
A) a software and hardware system that
prevents outsiders from accessing a company's internal network
B) a tool that searches Web pages containing the user's search terms and then displays pages that match
C) a private network of internal websites and other sources of information available to a company's employees
D) an Internet connection allowing outsiders limited access to a firm's internal information system
E) an extranet site that gives customers access to different product lines
A) a software and hardware system that prevents outsiders from accessing a company's internal network
Why might businesses want to analyze data that reveal what consumers do in the marketplace?
A) to be able to send them tailor-made advertisements
B) to be able to close the customer service department
C) to be able to reduce production costs
D) to be able to stabilize employee turnover
E) to be able to manage long-term costs
A) to be able to send them tailor-made advertisements
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Verified questions
ENGINEERING
The aircraft carrier is moving at a constant speed and launches a jet plane with a mass of 3 Mg in a distance of 75 m along the deck by means of a steam-driven catapult. If the plane leaves the deck with a velocity of 240 km/h relative to the carrier and if the jet thrust is constant at 22 kN during takeoff, compute the constant force P exerted by the catapult on the airplane during the 75-m travel of the launch carriage.
Verified answer
ENGINEERING
The following mineral analysis was reported for Michigan State University well water (Michigan Department Environmental Quality, 1979). Determine the total, carbonate, and noncarbonate hardness (in $\mathrm{mg} \cdot \mathrm{L}^{-1}$ as $CaCO_3$). (Note: All units are $m g \cdot L^{-1}$ as the ion unless otherwise stated.) $$ \begin{matrix} \text{Mineral} & \text{Concentration} & \text{Mineral} & \text{Concentration}\\ \text{Fluoride} & \text{1.1} & \ {\text{Silica } (SiO_2)} & \text{13.4}\\ \text{Chloride} & \text{4.0} & \text{Bicarbonate} & \text{318.0}\\ \text{Nitrate} & \text{0.0} & \text{Sulfate} & \text{52.0}\\ \text{Sodium} & \text{14.0} & \text{Iron} & \text{0.5}\\ \text{Potassium} & \text{1.6} & \text{Manganese} & \text{0.07}\\ \text{Calcium} & \text{96.8} & \text{Zinc} & \text{0.27}\\ \text{Magnesium} & \text{30.4} & \text{Barium} & \text{0.2}\\ \end{matrix} $$
Verified answer
ENGINEERING
A 5-mm-diameter spherical ball at $50^\circ C$ is covered by a 1-mm-thick plastic insulation $(k = 0.13 W/m \cdot K).$ The ball is exposed to a medium at $15^\circ C,$ with a combined convection and radiation heat transfer coefficient of $20 W/m^2 \cdot K.$ Determine if the plastic insulation on the ball will help or hurt heat transfer from the ball.
Verified answer
ENGINEERING
Given that $E_g = 0.67\text{ eV}$ for germanium, find the wavelength of peak solar response for the material. Do the photons at this wavelength have a lower or higher energy level?
Verified answer
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