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prfinal_20030

# prfinal_20030 - Name ECE-200 Intelligent Systems Spring...

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Name _____________________________________ ECE 200 Intelligent Systems Midterm Exam Page 1 ECE-200 Intelligent Systems Spring 2003 Pracice Final All problems have the same weight Problem 1. We are working with a multiplexor that is to switch between four sources (inputs), each one two bits wide. The multiplexor is to have a single active-low enable, and a non-inverting outputs. (a) Tabulate all inputs and outputs of the circuit. Give signal names and short descriptions. (b) Construct the truth table. Use the signal names from part (a) Problem 2. The equivalence function of two variables is equal to 1 whenever the two variables are equal, and is 0 otherwise. It is sometimes called the XNOR function, and is written as X Y . (a) Construct a truth table for the equivalence function, and write it as a product of sums. (b) Prove that (X Y) (Y Z) = (X Z) . You may use any method you like for the proof.

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ECE 200 Intelligent Systems Final Exam Page 2 Problem 3. Given that F(W,X,Y,Z) = S (0,2,8,10,11,13,15).
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prfinal_20030 - Name ECE-200 Intelligent Systems Spring...

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