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digital electronics integrated circuit logic families
1. What type of circuit is shown below, and how is the output ordinarily connected?
(A): Any of the above could be correct, depending on the specific application involved.
(B): It is an open-collector gate and is used to drive loads that cannot be connected directly to Vcc due to high noise levels.
(C): It is an open-collector gate. An external load must be connected between the output terminal and an appropriate supply voltage.
(D): It represents an active-LOW inverter and is used in negative logic systems.
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