Without the benefit of 60 Hz line voltage input, 1 pulse per second clock frequency could be generated by:

A) a crystal oscillator. B) a 555 timer and Schmitt-trigger.
C) a Schmitt-trigger and MOD 60 counter. D) Either A or B


D

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Name the most common breeding practice used by animal scientists today

What will be an ideal response?

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The state legislature has just passed a law that imposes a value-added tax on manufacturers

For each unit a firm manufactures, it must pay the state a percentage of the value of the item. What kind of cost is this?

a. Fixed b. Variable c. Semivariable d. Inflexible e. Unilateral

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Indicate whether the statement is true or false

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Treads for exterior wood stairways are typically made from pressure-treated stock with a nominal thickness of

_____. a. 1? b. 1-1/2? c. 2? d. 2-1/4?

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