Counters - Technical MCQs
Q1: List the state of each output pin of a 7447 if RBI = 0, LT = 1, A0 = 1, A1 = 0, A2 = 0, and A3 = 1.A
RBO = 0, a = 0, b = 0, c = 0, d = 1, e = 1, f = 0, g = 0
B
RBO = 1, a = 0, b = 0, c = 0, d = 1, e = 1, f = 0, g = 0
C
RBO = 0, a = 0, b = 0, c = 0, d = 0, e = 1, f = 0, g = 0
D
RBO = 1, a = 0, b = 0, c = 0, d = 0, e = 1, f = 0, g = 0
ANS:A - RBO = 0, a = 0, b = 0, c = 0, d = 1, e = 1, f = 0, g = 0 RBI - Ripple Blanking Input. |
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