hey every1 im new here just found this while looking for revision stuff online looks good, anyway more to the point i have a exam on january the 13th (next wednesday) and im not to sure hoe wo make all the logic gates out of nand gates i think it is? please help asap thanks lee

 

Look here:

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

 

thank you ive bookmarked it already.

 

It was just a simple search in google. You all have to learn doing it.

 

Also try: http://www.allaboutcircuits.com/vol_4/chpt_3/9.html

Dave

 

Since that chapter didn't cover XOR gates...

 

Hi Bill,

You are cheating!

You have use three different kind of gates (NAND, OR and AND) to build your XOR gate, while the OP specify NAND only.

The one that uses only NAND gates is described here: XOR from quad two-input NAND gate