Contents:

1. AND gate

2. OR gate

3. NOT gate

4. NAND gate

5. NOR gate

6. EX-OR gate

7. EX-NOR gate

Contents:

A. Binary-coded-decimal code (BCD) 

B. Excess - 3 - code

C. Gray code

Boolean Algebra

Sum-of-Products Form 

Product-of-sums forms

Contents:

Number System