- #1

benEE2018

- 27

- 1

## Homework Statement

design a code converter that converts a decimal digit from the 8 4 -2 -1 code to BCD.

## Homework Equations

## The Attempt at a Solution

so i listed out the BCD order from 0 to 9 and listed the weighted 8 4 -2 -1 code so that the weights would equal to the BCD equivalent.

8 4 -2 -1--->BCD

ABCD---> WXYZ

0000---> 0000

0111---> 0001

0110---> 0010

0101---> 0011

0100---> 0100

1011---> 0101

1010---> 0110

1001---> 0111

1000---> 1000

1111----> 1001

I then drew 4 K maps for each variable and arrived at an answer that is completely different from the correct answer, W=AB=AC'D'

the answer i got

Z= A'BD+BCD+AB'D

Y=A'BC'D+ A'BCD'+ AB'C'D+ AB'CD'

X= A'BC'D'+ AB'D+ AB'C

W= AB'C'D'+ AB'CD

i don't know what i am doing wrong and any guidance would be greatly appreciated