I need help !

[TonyC1190]

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 !!

 

[robo77]

hmm someone is behind in math class..

 

[TonyC1190]

lol ***

i just started this i got the ladders down im stuck with NOT in the Truth Table

 

[TonyC1190]

im confused with the whole NOT Logic part and how its the oppitsite on a Truth Table
plz help some1

 

[robo77]

http://en.wikipedia.org/wiki/Truth_table

 

[TonyC1190]

oooooO

so basically if A is a NOT and B+C are normal
itll be like this
since A is Not
A B C
1 0 0
1 0 1
1 1 0
1 1 1

 

[rdrast]

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.

 

[James Mcquade]

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.

 

[Lancie1]

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.