1. 4Computer Circuits
   1. 4.1Basic Circuits
   2. 4.2Circuit Models
      1. 4.2.1OR Model
      2. 4.2.2Examples:
      3. 4.2.4AND Model
      4. 4.2.5Examples:
      5. 4.2.6NOT Model
      6. 4.2.7Examples:
   3. 4.3HALF-ADDER Model
      1. 4.3.1XOR Model
   4. 4.41 Bit Binary Adder
      1. 4.4.1BIT-ADDER Model
      2. 4.4.2BIT-ADDER Symbol
   5. 4.52-BIT-ADDER
      1. 4.5.1Wire Model
      2. 4.5.22-BIT-ADDER Model
      3. 4.5.3Examples:
      4. 4.5.4Exercise
   6. 4.64-BIT-ADDER
      1. 4.6.14-BIT-ADDER MODEL
      2. 4.6.2Examples:
      3. 4.6.3Exercise
      4. 4.6.4Exercise
   7. 4.7Complement Arithmetic
   8. 4.8Modeling Subtraction
   9. 4.94-BIT-ALU
      1. 4.9.14-BIT-ALU Model
      2. 4.9.2Examples:
   10. 4.10Processor Model