Table of Contents

  1. Introduction
    1. Denary
    2. Number Bases
    3. Binary
    4. Using Exponents
    5. Exponent in Base 10
    6. Exponent in Base 2
    7. Hexadecimal
  2. Conversions
    1. Denary to Binary: Division
    2. Denary to Binary: Subtraction
    3. Binary to Denary
    4. Denary to Hexadecimal
    5. Hexadecimal to Denary
    6. Binary to Hexadecimal
    7. Binary to Hex Example
    8. Hexadecimal to Binary
  3. Addition and Subtraction
    1. Binary Addition
    2. Binary Addition Example
    3. Hexadecimal Addition
    4. Binary Subtraction
    5. Hexadecimal Subtraction
  4. Computer Logic
    1. NOT
    2. OR
    3. XOR
    4. AND
    5. NAND and NOR
    6. Using Logic Gates
  5. Character Representations
    1. ASCII
    2. ASCII SAQs
    3. EBCDIC
    4. Unicode
    5. Unicode SAQs