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how can i convert this..??(logic circuit)

S

Thread Starter

shimene03

Joined Jul 27, 2010
4
how can i make a code conversion..

8 4 -2 -1 to Excess 4 to BCD

please help....to make a truth table of this.......

thx....:):):)
 
S

Thread Starter

shimene03

Joined Jul 27, 2010
4
no,it have a negative 2 and 1..,

i make a truth table of this......im not sure if its correct....

8 4 -2 -1 >>> Excess 4 >>> BCD
..............16 8 4 2 1
0 0 0 0.... 0 0 1 0 0
0 0 1 1.... 0 0 1 1 1
0 1 1 0.... 0 1 0 1 0
0 1 0 1.... 0 1 0 0 1
0 1 0 0.... 0 1 0 0 0
1 0 1 1.... 0 1 0 1 1
1 0 1 0.... 0 1 1 1 0
1 0 0 1.... 0 1 1 0 1
1 0 0 0.... 0 1 1 0 0
1 1 1 1.... 1 0 0 1 1
1 1 1 0.... 1 0 0 1 0
1 1 0 1.... 1 0 0 0 1
1 1 0 0.... 1 0 0 0 0


8 4 -2 -1 to excess 4....????that is correct???
 
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