# logic gates! Whats gonna get if we have both Nand and NOR gate in the circuit?

#### nona chan

Joined Feb 12, 2016
3
whats we gonna get if we have both Nand and NOR gate in the circut??hellp me i have an exam

#### Papabravo

Joined Feb 24, 2006
14,252
A result that depends on the rules of Boolean Algebra. If you know your Boolean Algebra -- no worries.

#### nona chan

Joined Feb 12, 2016
3
yeah...i know it all >>and i use it to solve the question but i get zero ...look

#### crutschow

Joined Mar 14, 2008
25,269
"Look" is showing the problem, not your solution.
Post your truth table solution for all four input combinations.
If you do get low for all four combinations, then you are in error.
Then post the truth table for all the gates, for the four input combinations.

#### nona chan

Joined Feb 12, 2016
3
there are just 2 input A and B... in the question >>>could you please solve it to me ???

#### Papabravo

Joined Feb 24, 2006
14,252
there are just 2 input A and B... in the question >>>could you please solve it to me ???
You don't get the program. We don't do homework for you. You show us your best efforts and we guide you to the solution. You can't be an engineer if you can't do your own work. Copying a solution from someone else may work in some fields, but not this one.

#### ScottWang

Joined Aug 23, 2012
6,926
Your attached just shows that two inputs, so you have to label all other inputs/outputs as C, D, E, F, and then you draw the truth table, if you know how the logic gates work then you just do it one by one and you will get the answer.

#### crutschow

Joined Mar 14, 2008
25,269
Two inputs have 2^2 or 4 binary possibilities: 00, 01, 10, and 11.
You need to write a truth table for each of the four input possibilities.

#### WBahn

Joined Mar 31, 2012
26,074
there are just 2 input A and B... in the question >>>could you please solve it to me ???
That's right, there are just 2 inputs. Which means that it shouldn't be unreasonable to expect YOU to at least make (and show) an honest attempt to answer YOUR homework problem.

Start by labeling each node and then finding the value of each node as a function of the inputs. I'll even label the nodes for you.

#### crutschow

Joined Mar 14, 2008
25,269
I'm sensing that the op doesn't have a clue about how to do what we are asking.

#### WBahn

Joined Mar 31, 2012
26,074
I'm sensing that the op doesn't have a clue about how to do what we are asking.
Certainly not the first time that's happened.

#### absf

Joined Dec 29, 2010
1,947
there are just 2 input A and B... in the question >>>could you please solve it to me ???