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C310-assign2-ans

C310-assign2-ans - Name_MASTER CMIS 310 Spring 2011 ONLINE...

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Name:____ MASTER ________________ CMIS 310 – Spring 2011 ONLINE ASSIGNMENT #2 – Module 2 This assignment is worth 10% of your course grade and contains nine 12-point questions worth a total of 108 points. 1. Given the Boolean equation below: M = A'B’C + A’B C’ + A BC’ + A B C a) Draw the truth table for the function A B C M 0 0 0 0 0 0 1 1 0 1 0 1 0 1 1 0 1 0 0 0 1 0 1 0 1 1 0 1 1 1 1 1 b) Complete the Karnaugh Map for the above function Note: a 0, 1, or X goes in each cell A/BC B’C’ B’C BC BC’ A’ 0 1 0 1 A 0 0 1 1 1
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c) Draw a simple NOT, AND, OR circuit for the above function. 2
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2. Fill in the blanks for all three parts. a) A correct expression for A in the table below is __ i) Y' ___. Inputs A X Y 0 0 1 0 1 0 1 0 1 1 1 0 i) Y' ii) X' iii) XY iv) X’ + Y’ b) Which of these statements defines the functional behavior of a XOR gate with inputs A and B? _2) i and iv _ i) the output is 1 when A and B are different ii) the output is 1 when A and B are equal iii) the output is 0 when A and B are different iv) the output is 0 when A and B are equal 1) i and ii 2) i and iv 3) ii and iii 4) iii and iv c) Using the excitation tables in section II-A of the Module II Commentary, what inputs are required when the present state is 0 and the next state is 1 i) for a RS latch? S= ___ 1 ____ ; R= __ 0 _______ ii) for a JK flip-flop? J= ___ 1 ____ ; K= __ X _______ iii) for a D flip-flop? D= __ 1 ____ iv) for a T flip-flop? T = __ 1 _____ 3
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3. Suppose F(A,B,C,D) has 1’s at ABCD of 0000, 0010, 0101, 0110, 1010, and 1101; don’t cares at ABCD of 0001, 0100, 1011, and 1110; 0’s at ABCD for all other values.
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