_____ has/have become the manufacturing centers for many substances ?that have made the lives of humans better and more productive

A) Insulin?
B) Bacteria?
C) Viruses?
D) Vaccines


B

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The ____ pressure switch is interchangeable with existing electromechanical pressure switches.

a. sealed piston b. Bourdon tube c. diaphragm d. solid state

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When a circuit contains inductive components, these components contain both resistance and inductive ____.

A. resistance B. reactance C. stress D. frequency

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What is the primary function of a register?

A) Encoding B) Data storage (memory) C) Counting D) Decoding

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Two eight input multiplexers can combine to send data over a single output line. The first step is combining select inputs. To complete the circuit:

A) a NOR gate must tie output lines together. B) connect one enable input to the other via and inverter, then connect outputs together through an OR gate. C) the enable inputs must be connected together. D) tie enables inputs together and install a NAND gate on the outputs.

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