The four letters ____ represent the unknown quantities in electrical power that may need to be found.

a. P, I, M, and E
b. I, M, E, and A
c. P, I, R, and E
d. I, M, R, and A


c. P, I, R, and E

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The word photography means "drawing or writing with _____."

a. pixels b. light c. megapixels d. data

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The Committee on the Environment was formed in 1989 by the ____.

A. EPA B. U.S. Department of Energy C. American Institute of Architects D. U.S. Green Building Council

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To access a memory cell

A) the data is read out. B) the proper address is selected. C) the data is written. D) do none of the above.

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When some truck ABS circuits are first energized, what is the reason for the sequence of clicking noises?

A. brakes are self-adjusting B. solenoids actuating during the start-up self-test C. service chambers actuating during the start-up self-test D. quick release valves actuating during the start-up self-test

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