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Combinational Logic Circuits - Technical MCQs

Q1:

The 7447A is a BCD-to-7-segment decoder with ripple blanking input and output functions. The purpose of these lines is to ________.

A turn off the display for any nonsignificant digit

B turn off the display for any zero

C turn off the display for leading or trailing zeros

D test the display to assure all segments are operational

ANS:A - turn off the display for any nonsignificant digit

No answer description is available.