When the number of repetitions needed for a set of instructions is known before they are executed in a program, the best repetition structure to use is a(n)

(A) Do While...Loop structure.
(B) Do...Loop Until structure.
(C) For...Next loop.
(D) If block.

(C) For...Next loop.

Computer Science & Information Technology

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Google's operating system that supports many types of mobile devices is called ________.

a. Android b. CDMA c. Astrid d. Google Mobile

Computer Science & Information Technology

In PowerPoint, the ________ button controls how long it takes for the transition to execute, how slow or fast it displays

A) Duration B) Preview C) Effect Options D) Advance Slide

Computer Science & Information Technology