cs101 assignment no 2 full solution april 2011

[Vuhelper]

full solution in attachment

Answers

Question No.1 (Marks = 10)
a) How many combinations of bits are exist when we make a truth table of 9 inputs?
2n are the total combinations of bits in Truth table, where n is number of variables, so
29=512
512 bits will there


b) Prepare a truth table for the following I = (w + x)  (y . z) where w, x, y and z are four binary inputs in the truth table.
Note :symbol represent XOR gate)
Solution:
Remember in XOR, output will high only if only all inputs are mismatch to each others.

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