Express 574 as an Excess-3 code number.

A. 1000 0001 0110
B. 1000 1010 0111
C. 1100 0011 1110
D. 1100 0111 0111


Answer: B

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If A and B are independent events, prove that the following pairs of events are independent: A° and B, A and B° and A° and B.

What will be an ideal response?

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A 150-W incandescent outdoor lamp is connected to a 120-V source and is left burning continuously for an average of 12 hours per day. Determine:

(a) the current through the lamp when it is lit, (b) the cost of operating the light for one non-leap year if electricity costs 9.5 cents per kWh.

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On a domestic refrigerator equipped with a defrost cycle that depends on the run time of the compressor, what terminates the defrost cycle?

A. cooling thermostat B. compressor C. door switch D. defrost timer

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Luther was indebted to humanist ideas about how to handle texts. Why can it be said that he was never a humanist in spirit?

a. He objected to the humanist celebration of classical culture, which he viewed as fundamentally immoral. b. He was uninterested in humanist themes and wanted to focus more on the scholastic study of Aristotle, which he viewed as a more reliable path to knowledge. c. His view of the world and of humankind was too dark and pessimistic to have shared in humanist optimism about human potential and human capacities. d. He had been trained in German universities, where he had few opportunities to be exposed to humanist ideas and techniques.

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