Older heat detectors lack what feature that makes it difficult to track down the cause of an alarm?

A. color-coding of their activation thresholds
B. wide spaced combs
C. visual triggers that tell which device was activated
D. narrow spaced combs


Answer: C. visual triggers that tell which device was activated

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a. variable-frequency b. standard-frequency c. voltage d. electricity

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If the time for one cycle is 0.1 second, the frequency is _____

a. 0.1 Hz b. 0.5 Hz c. 1 Hz d. 10 Hz

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A) 12. B) 16. C) 8. D) 4.

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Two events than can cause the processor to deviate from its normal operation are exceptions and interrupts

Indicate whether the statement is true or false

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