Design Example: Multiple Output & Don't Cares

• B C D Z

• 0 0 0 0 0

• 0 0 1 1 1

• 0 1 0 2 2

• 0 1 1 3 3

• 1 0 0 4 4

• 1 0 1 5 5

• 1 1 0 6 6

• 1 1 1 7 7

• 0 0 0 8 8

• 0 0 1 9 9

• 0 1 0 10

• 0 1 1 11

• 1 0 0 12

• 1 0 1 13

• 1 1 0 14

• 1 1 1 15

? Design a minimum two-level network (minimum number of gates and gate inputs) that accepts a binary number and delivers 10 unique outputs (Binary-to-Decimal Converter)

? 10 outputs => 4 binary variables

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