For which of the following reasons would you classify an IC as a "black box" device?

For which of the following reasons would you classify an IC as a “black box” device?

A. Because ICs are always black in color
B. Because all you can check are the inputs and outputs, not the internal operation of ICs
C. Because printed circuit boards that contain ICs cannot be repaired
D. Because ICs are designed to be repairable components

Show Answer

Answer: B

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