Exam 3: E-Business

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A _______________ user interface presents a user with icons,bars,buttons,boxes,and other images to initiate computer-based tasks.

(Short Answer)
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Speech recognition systems typically require training the computer to recognize your voice and its unique sound patterns in order to achieve a high degree of accuracy.

(True/False)
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"Peripherals" is the generic name given to all input,output,and secondary storage devices that are part of a computer system and are part of the CPU.

(True/False)
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The term "megacomputer" describes a category of extremely powerful computer systems specifically designed for scientific,engineering,and business applications requiring extremely high speeds for massive numeric computations.

(True/False)
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Minicomputers are popular for process monitoring and instrumentation because these require very demanding processing versatility.

(True/False)
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A gigabyte (GB)is used to express which of the following approximate measures?

(Multiple Choice)
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OCR technology is used to read codes on merchandise tags,product labels,credit card receipts,and other documents.

(True/False)
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VLSI,which packs millions of memory circuit elements on tiny semiconductor memory chips and is responsible for continuing increases in the main-memory capacity of computers,stands for _______________.

(Multiple Choice)
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The new and popular mobile telephone made by Apple is the:

(Multiple Choice)
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The primary storage (main memory)of a computer consists of microelectronic semiconductor memory chips.

(True/False)
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A computer is a system,an interrelated combination of components that perform the basic system functions of _______________,processing,output,storage,and control.

(Short Answer)
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The control unit of the CPU interprets instructions and directs processing.

(True/False)
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Peripherals depend on direct connections or telecommunications links to the central processing unit of a computer system.

(True/False)
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A _______________ is a stationary pointing device.You turn a roller with only its top exposed outside its case to move the cursor on the screen.

(Short Answer)
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Mainframe computers are sometimes used as front-end servers in order to assist midrange computers in performing telecommunications processing and network management.

(True/False)
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The terms direct access and random access describe the same concept.

(True/False)
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The main advantage of CD-R (compact disk-recordable)disks is that they enable recorded data to be erased many times.

(True/False)
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Which of the following is a secondary storage device?

(Multiple Choice)
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Moore's Law states that the number of transistors on an integrated circuit will __________ every _______________.

(Short Answer)
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Which of the following statements about optical disks is true?

(Multiple Choice)
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