?Among the symbols in the accompanying figure, a _____ is a path for data to move from one part of the information system to another.

A. ?data store
B. ?data flow
C. ?process
D. ?gray hole

Answer: B

Computer Science & Information Technology

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Many databases contain a large amount of data. ________ are created and used to increase performance

A) Input masks B) Indexes C) Validation rules D) Captions

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Which of the following is the common port number for HTTP (WWW) using TCP?

A) 25 B) 23 C) 80 D) 53

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Programming is necessary when the software needed to accomplish a task is not available.

Answer the following statement true (T) or false (F)

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A for loop provides a convenient way to create a(n) ____ loop.

A. counter-controlled B. posttest C. while D. infinite

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