Well the book does reserve 4 codes assuming that V is connected with X and Y
so that their outputs grounded if all inputs are low. I think its more
efficient too since it completely eliminates the need for one of the inputs
in X's and Y's gates.
On 4/29/08, Robert Dick <email@example.com> wrote:
> Jared Jenkins:
> > For problem 14, the question says that we need to reserve a code for
> > (i2,i1,i0) = (0,0,0). Does that mean we can't use a control output V
> > in the book (pg 129 and 131 4th edition) that is 0 if and only if all
> > inputs are zero?
> Does the book essentially reserve 4 codes? Which approach will result in
> more efficient implementation?
> -Robert Dick-
-- Jared Michael Jenkins Northwestern University McCormick School of Engineering and Applied Science Web Development and IT Support Services Mobile: 949.290.3737Received on Tue Apr 29 15:16:32 2008
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