Discussion in 'Homework Help' started by SAYED, Mar 29, 2007.
plesae help me
apple DeMorgan's law to find the complement of the folloing expession
1. Aquaint yourself with DeMorgan's Theorums.
2. Remember that you can apply the double-NOT function such that it will not change the expression, i.e. A => NOT gives A' => NOT gives A (where ' = NOT). This is very useful when applying DeMorgan's Theorums.
Have a go, post up your attempts and we can help you from there.
help me I'm don't understant this subject
Did you read the information in the link? If you can cite the specific parts you are having trouble with, we can walk you through them.
is the ruslt right or no
Almost... you dropped an "A"
Needs to be A(B'+C') instead of simply B'+C'
Otherwise, you got it right!
you can use simple one law
( A . B )' = A' + B'
A( B. C' +(D.E)' )+ (B.F)' =
A( B. C' + D' + E' ) + B' + F' =
A . B . C' + A .D' + A .E' + B' + F'