Exam 3: E-Business

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The central processing unit (CPU)is the main processing component of a computer system.

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High speed storage media cost less per byte and provide higher capacities than lower-speed storage media.

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The Blackberry is a popular wireless device for all of the following reasons except:

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OCR stands for ____________________.

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Which of the following does not apply to a personal digital assistant (PDA)?

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Experts predict the merging or disappearance of several computer categories.For example,many midrange and mainframe systems have been made obsolete by the power and versatility of client/server networks composed of microcomputers and servers.

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The word calculate is derived from calculus,the Latin word for _______________.

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DVD+RW+R with CD-RW provides an all-in-one drive for burning DVD-RW or DVD-R disks,burning CDs,and reading DVDs and CDs.

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Web-enabled personal digital assistants use touch screens,pen-based handwriting recognition,or keyboards,so mobile workers can send and receive e-mail,access the Web,and exchange information with their desktop PCs or Web servers.

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A byte consists of ten bits and represents one character of data in most computer coding schemes.

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Data are processed and stored in a computer system through the presence or absence or electronic or magnetic signals to the computer.This is called a "bi-state" representation of data,because the computer and the media can exhibit only two states or conditions.

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ROM chips are widely used as a primary storage medium because they can be erased and overwritten.

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The acronym WIMP stands for _______________.

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