I need help !

TonyC1190

Member
Join Date
Aug 2011
Location
Fresno
Posts
4
im having with 3 Ladders and Truth Tables can some1 help me
here are the problems

X=AB+C the A is a NOT

X=AB(CD) AB are NOT

X=ABC+D B is NOT

and with the Truth tables

someone help please !!
 
A is NOT what?
A is NOT a grizzly bear? It is NOT a car park?

If you still having trouble with absolute basic Boolean logic to of the AND / OR variety after reading the linked wiki article, you should choose a different career path.
 
this is what you need to do.

1. set up the truth tables using the following a, b, c, a not,
b not, result.
2. write down a, b, c.
3. then write down the opposit values for a not, b not in the
table.
4. solve your logic using the anot, b, c logic.
5. this has always helped me in the past.

regards,
james.
 
First One Should Look Like This

Here is a method to do the first one. You can use an Excel spreadsheet to calculate the result of any Boolean expression.

NotA-B  + C.JPG
 

Attachments

  • Truth Table NotAB + C.xls
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