Question

14. (a) Draw a transistor-level diagram for a three-input AND gate, and a three-input OR gate. Do this by extending the designs from Figures 3.6a and 3.7a in your book. Your answer should use as few transistors as possible while following the same design as your book. Note: you need to draw two separate diagrams for this question. (b) Replace the transistors in your diagrams from part a with either a wire or no wire to reflect the circuit's operation when the following inputs are applied: Note: you need to draw six diagrams in total for this question. For instance, you need to draw AND as well as OR gates for b1. (b1) A=1, B=0, C=0 (b2) A=0, B=0, C=0 (b3) A=1, B=1, C=1

          14. (a) Draw a transistor-level diagram for a three-input AND gate, and a three-input
OR gate. Do this by extending the designs from Figures 3.6a and 3.7a in your book.
Your answer should use as few transistors as possible while following the same
design as your book.
Note: you need to draw two separate diagrams for this question.
(b) Replace the transistors in your diagrams from part a with either a wire or no wire to
reflect the circuit's operation when the following inputs are applied: Note: you need to
draw six diagrams in total for this question. For instance, you need to draw AND as
well as OR gates for b1.
(b1) A=1, B=0, C=0
(b2) A=0, B=0, C=0
(b3) A=1, B=1, C=1

14. (a) Draw a transistor-level diagram for a three-input AND gate, and a three-input
OR gate. Do this by extending the designs from Figures 3.6a and 3.7a in your book.
Your answer should use as few transistors as possible while following the same
design as your book.
Note: you need to draw two separate diagrams for this question.
(b) Replace the transistors in your diagrams from part a with either a wire or no wire to
reflect the circuit's operation when the following inputs are applied: Note: you need to
draw six diagrams in total for this question. For instance, you need to draw AND as
well as OR gates for b1.
(b1) A=1, B=0, C=0
(b2) A=0, B=0, C=0
(b3) A=1, B=1, C=1

Added by Peter F.

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