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posted by  Madiba on 11/7/2009 12:21:31 PM  |  status: Closed  |  Earned Karma: 74

Shannon's expansion to get 4-1 mux

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N/A N/A N/A N/A 11/7/2009 at 4:00:00 PM
Question Details:
I just want to know if l am correct on this question:

f= w2'w1w0+w2w1'w0+w2w1w0'+w2w1w0

attempt to solution:

f= w2'w1'(w0) + w2'w1(w0) + w2w1'(w0) + w2w1(w0+w0')

f= w2'w1'(w0) + w2'w1(w0) + w2w1'(w0) + w2w1(1)
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Sage
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(IIT Kharagpur)
posted by Chelsea_fan(MNK) on 11/7/2009 12:36:38 PM  |  status: Live
Asker's Rating: Lifesaver   
Response Details:
f= w2'w1w0+w2w1'w0+w2w1w0'+w2w1w0
 =w0(w2'w1+w2w1'+w2w1)+w0'w2w1

what u did,
f= w2'w1'(w0) + w2'w1(w0) + w2w1'(w0) + w2w1(w0+w0')

here we cant use w2w1(w0+w0')  as it is already given w2w1w0 ..we just cant add +w0'
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