Table of Contents

  1. Introduction to Data Communications
    1. Communications Model
    2. Data Communications: Example
    3. Modern Data Communications
    4. The Plain Old Telephone System (POTS)
    5. Other Data Transmission Systems
    6. Data Transmission SAQ
  2. Number Systems Overview
    1. Common Number Systems
    2. Decimal Number System
    3. Binary Number System
    4. Hexadecimal Number System
    5. Number System Practice
    6. Number Systems SAQ
  3. The Fundamentals of Electricity
    1. Alternating Current
    2. Electricity SAQ
    3. Introduction Crossword
    4. Formative Assessment: Basic Concepts