

MCQOPTIONS
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1. |
Resistors—usually 300 apiece—inserted between a decoder and a 7-segment display are ________. |
A. | pull-up resistors to keep logic HIGH when the input is open |
B. | sense resistors to enable a test of logic levels |
C. | current limiting resistors for the 7-segment display |
D. | surge resistors to prevent damage from power-line variations |
Answer» D. surge resistors to prevent damage from power-line variations | |