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Mr. Dubey • 52.30K Points
Coach 

Q. 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 operationa l
Correct : Option (A)

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