Two 7490 decade counters, configured to count 0 to 9, are connected so that the Q3 output of one IC is wired to the clock input of the other IC. What is the modulus of the total circuit?
A) MOD-20 B) MOD-100 C) MOD-99 D) MOD-80
B
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Set the following statement in its historical context: "The day France takes possession of New Orleans we must marry ourselves to the British fleet and nation." Why was Thomas Jefferson so alarmed?
What will be an ideal response?
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Thermostats that are immersed in water are sometimes called ____________________.
Fill in the blank(s) with the appropriate word(s).
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Raceways installed within drop ceilings must ____.
A. be grounded internally to support wires B. have adequate ventilation on all sides C. have secure support provided by the support wires and associated fittings D. be connected directly to a junction box
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Why must plants store carbohydrates?
What will be an ideal response?
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