Re: ALU Help

Posted by snowkel on Sep 14, 2016; 3:08am
URL: http://nand2tetris-questions-and-answers-forum.52.s1.nabble.com/ALU-Help-tp4030242p4030248.html

When f is 1, then out = x + y. When f is 0, then out = x & y. In the book, it says that this means it's a bit-wise And. Not entirely sure I understand that concept. Would this mean that the out is both x (0100) and -1 (1111)? But the resulting out on the chart shows that it's just x?