Exam 3: E-Business

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In the 1950s,_______________ replaced the vacuum tubes used in electronic computers.

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The function of an output device is to:

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Which of the following best describes optical scanning devices?

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A major concern in the use of RFID technology is _______________.

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Digital cameras and digital video cameras enable users to shoot,store,and download still photos or full-motion video and audio onto their PCs.

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Some touch screens emit a grid of infrared beams or sound waves that is broken when the screen is touched.

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Smart card technology:

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Most computers today can process program instructions in MIPS,which is ____________________.

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A pointing stick is the most popular pointing device used today.

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Magnetic tapes are no longer used by businesses today because the cost of storage on tape is very expensive compared to other types of storage media.

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A pointing device,such as an electronic mouse,is part of a:

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Some microcomputers are powerful enough to support applications with heavy mathematical computing and graphics display demands,such as computer-aided design (CAD)or investment analysis.

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The principal drawback of the Electronic Numerical Integrator and Computer (ENIAC)was its __________ and processing ability.

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A byte,representing 1 character,typically consists of _______________ bits.

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The central processing unit (CPU)of a computer system is divided into two major subunits: the arithmetic-logic unit and the _______________ unit.

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Active RFID chips are self-powered and must be close the reader to transmit their signal.

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Which of the following would not fit the typical classification of a computer peripheral?

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A _______________ allows users to use a computer by touching the surface of its video display screen.

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A computer is a _______________,an interrelated combination of components that performs the basic system functions of input,processing,output,storage,and control.

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_______________ bytes of storage are needed to represent the name "Sarah."

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