Computer Hardware

When you have completed all parts of this lesson you will be able to:

  • Recognize the major parts of a computer system
  • Classify the function of computer hardware components as input, output, or storage
  • Identify the terms MHz, GHz, KB, MB, and GB to compare computer systems
  • Identify the ways of measuring clock speed
  • Identify the ways of measuring memory and storage capacity
  • Explain Moore's law
  • Recognize the important factors in selecting a computer

Please study the material at each of the links below.

  1. Introduction to computer hardware
  2. Inside a computer: This video explains the basic components
  3. Explanation of hardware: This video explains the basic components.
  4. Components of a Computer System and Storage Devices: This page briefly introduces the components of a computer system:
    Motherboard, CPU, RAM,
    ROM, BIOS, BUS Network, Hertz, Graphics Card,
    Peripheral, Volatile, Non-Volatile, Storage Device
  5. Types of computer systems: Explains the difference between desktop, laptop, notebook, tablet PC, and smart phones.
  6. Definition, classify by size and power: Explains the difference between computer by from super computer to PDA.
  7. Identify The Components Inside Your Computer: This video helps you to identify the components inside the computer.: Text of Video
  8. How Computers Work: The CPU and Memory
  9. See How Computers Add Numbers In One Lesson: Shows how transistors work and explains AND and OR gates
  10. How Computers Work: Disks And Secondary Storage
  11. Explanation of Kilobytes, Megabytes, Gigabytes, Terabytes: Be sure to do the math problems to make sure you understand these terms.
  12. Explanation of bits and sizes: This video explains bits and bytes, and the relative sizes.
  13. How a CPU Works: This video explains clock speed and how the CPU works.
  14. CPU: Central Processing Unit: This video explains clock speed and how the CPU works.
  15. OPTIONAL: More detail about how the CPU works.: This simulation video explains clock speed, instruction set, and the bus.
  16. From Tubes to Transistors: The invention of the transistor was one of the most important developments
    leading to the personal computer revolution.
  17. Moore's Law: Gordon Moore predicted that processor speeds, or overall processing power
    for computers will double every two years.
  18. Types of Memory: Click next to watch the slide show
  19. RAM: Random Access Memory: This animated video explains how RAM works, and why more is important.
  20. Do I have enough memory?: This explains how to check the memory usage on both a PC and Mac
  21. Choose a Computer
  22. Purchase Decisions: This animated video explains how RAM works, and why more is important.
  23. Buying a New Computer: Computer or Tablet or Desktop? PC or Mac?
  24. Review the hardware terms at Wikipedia: This page gives a brief explanation of each term.
  25. How Computers Work: Transistors, bits, and bytes
  26. How Computers Work: Computation
  27. Selecting a Computer
  28. How to Choose a Computer
  29. Self Study Questions
  30. Discussion Questions

Active Learning

Create a spreadsheet to budget a new computer system

Like us on Facebook:

OER: Open Educational Resource
Creative Commons License Author: Janet E. Joy; Publisher:
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License
Creative Commons Attribution-NonCommercial 4.0 International License
Last modified: May 04 2017 17:27:39.