I completeed the Not gate, then when I make the And gate, there is some thing wrong. The Nand gate can't work well. When a is 1, b is 1, but the out1 is not 0, why? Here is code: [Working code removed by admin.]
Great! Please, remove the code from your post, so others have the chance to discover the solutions for themselves.
OK, I change the out2 to out , the And works! Thanks! If you reply to this email, your message will be added to the discussion below: http://nand2tetris-questions-and-answers-forum.32033.n3.nabble.com/The-bulit-in-Nand-gate-doesn-t-work-tp4029397p4029399.html To start a new topic under Chapter 1, email [hidden email] To unsubscribe from Nand2Tetris Questions and Answers Forum, click here. NAML