To block input frequencies greater than the Nyquist frequency a DSP system typically uses ________

A) a fast op-amp comparator B) a flash ADC
C) a frequency divider D) an anti-aliasing filter


D

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One reason PCBs were banned is that they _____.

a. are highly toxic chemicals b. do not degrade easily c. cause several types of cancer d. are highly flammable

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Noncritical piping assemblies found on structural items such as trailer axles and handrails ____.

A. get much of their strength from reinforcement but should have 100% root penetration B. must have 100% penetration C. do not require uniform welds D. get most of their strength from the joint design and not the weld

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In the past, when the weather turned cold, pork was slaughtered and preserved by ____________________ and salting.

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

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If input A of a NAND gate is connected to a clock and input B is LOW, the normal output is

A) LOW. B) HIGH. C) an inverted clock signal. D) a clock signal.

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