Ch 3 · NAND, NOR, XOR · Theory

Topic 3 of 10 in Boolean Logic & Logic Gates — How Machines Decide — 2 lessons.

The "Not" Versions

XOR: Exclusive OR

XOR outputs 1 when its inputs are different, and 0 when they are the same. It is the heart of binary addition and of simple encryption.

All topics in Theory Boolean-logic

1. Why Logic Gates
2. NOT, AND, OR
3. NAND, NOR, XOR
4. Truth Tables
5. From Problem to Circuit
6. Logic Expressions
7. Boolean Algebra (A Level)
8. Karnaugh Maps & Flip-Flops (A Level)
9. Gates That Do Arithmetic
10. Check Your Understanding