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Indian Institute of Technology Kharagpur
EC31003: Digital Electronic Circuits
Assignment 3
Question 1
Consider a digital system for minority logic. There are three inputs A, B and C. The output Y is
equal to 1 if two or three inputs are 0.
a) Make a K-map for the digital system.
b) Express in canonical SOP form.
c) Minimize it and realize the minimized expression using NAND gates only.
Solution 1
b) Y = A’B’C’ + A’B’C + A’BC’ + AB’C’
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