Which type of structure do all programs use?

A. sequence
B. selection
C. repetition
D. variable


Answer: A

Computer Science & Information Technology

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How do community sites create customer loyalty?

(a) By selling customer email lists to marketing groups. (b) By offering general information that would be interesting to a wide group of subscribers. (c) By managing mailing lists that send news updates on selected subjects to community members. (d) By allowing visitors to contribute to the sites, chat with friends and find information specifically targeted to them.

Computer Science & Information Technology

A(n) ________ provides a visual cue about the value of a cell as compared to other cells in a range

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology

It is a good practice to verify that a variable you are planning to untaint has only bad characters (black listing) rather than check whether or not it has any good characters (white listing).

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

Computer Science & Information Technology

____________________ enables an individual single-mode fiber to carry multiple signals by giving each signal a different wavelength by using different colors of laser light.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology