solution6 - Digital Electronics Answer Sheet 6 1. 2. 3. A B...

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Digital Electronics Answer Sheet 6 1. P A B C A B C =+ = . . . (from De Morgan's Law). 2. Diagonal bar or a bubble. 3. SELECT A BO U T 1 1 G1 MUX A B SELECT OUT A B Select OUT 0 0 0 0 0 0 1 0 0 1 0 0 0 1 1 1 1 0 0 1 1 0 1 0 1 1 0 1 1 1 1 1 AND Gate: set A=0; OUT=B.SELECT OR Gate: set B=1;OUT=A+SELECT 4. Connect A and B to the control inputs. I0, I1, I2 and I3 will then be the values on the columns - either a constant 0 or 1 or else some function of C. (i) (ii) C\AB 00 01 11 10 C\AB 00 01 11 10 0 0 0 1 0 0 0 1 1 1 1 0 1 1 1 1
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