# Web_Answers_4 - Unit 4 Problem Solutions 4.1 4.2 See FLD p...

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x y z 0 z 1 z 2 z 3 z 4 z 5 z 6 z 7 z 8 z 9 z 10 z 11 z 12 z 13 z 14 z 15 0 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 1 0 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 2 2 n = 2 2 2 = 2 4 = 16 4.4 (a) 4.4 (b) 0 x'y' x'y x' xy' y' x'y+xy' x'+y' xy x'y'+xy y x'+y x x+y' x +y 1 Alternate Solutions A B C D E F Z 0 0 0 1 1 X 3 1 0 0 1 X 2 X 2 1 1 0 1 0 X 1 X 1 X 1 X 0 1 1 X 2 X 2 1 1 1 0 0 X 4 0 0 0 1 0 1 X 2 X 2 1 1 1 1 0 X 1 X 1 X 1 X 1 1 1 X 4 0 0 0 4.5 A B C D E F Z 0 1 1 1 1 X 3 1 1 1 1 0 X 4 0 0 1 These truth table entries were made don't cares because ABC = 110 and ABC = 010 can never occur 2 These truth table entries were made don't cares because when F is 1, the output Z of the OR gate will be 1 regardless of its other input. So changing D and E cannot affect Z . 3 These truth table entries were made don't cares because when D and E are both 1, the output Z of the OR gate will be 1 regardless of the value of F . 4

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Web_Answers_4 - Unit 4 Problem Solutions 4.1 4.2 See FLD p...

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