Number Systems: Decimal, Binary, Hexadecimal, RGB Colors

In this lesson you will learn about computer number systems.

Print the lesson

Please study the material at each of the links below.

  1. Data In The Computer
  2. Number systems: grouping: Quantities can be grouped in different ways.
  3. Decimal systemDecimal system: The decimal system is base 10.
  4. Binary Numbers: 0 and 1Binary Numbers: 0 and 1: The binary system is base 2
  5. Video: Convert binary to decimal: This video demonstrates how to convert binary numbers to decimal
  6. Drill: Convert binary to decimal: Practice converting binary numbers to decimal
  7. Convert decimal to binary: This video demonstrates converting decimal to binary.
  8. Drill: Convert decimal to binary: Practice converting binary numbers to decimal
  9. Hexadecimal Numbers: Base 16Hexadecimal Numbers: Base 16: 4 binary digits can be represented by 1 hex digit.
  10. Decimal, Binary and Hexadecimal: Conversion table
  11. Converting Binary to Hexadecimal: This video demonstrates converting binary to hex.
  12. Drill: Convert binary to hexadecimal: Practice converting binary to hexadecimal
  13. Converting Hexadecimal to Binary: This video show how to convert binary to hexadecimal.
  14. Drill: Convert hexadecimal to binary: Practice converting hexadecimal to binary.
  15. RGB ColorsRGB Colors: RGB stands for Red, Green, Blue. It is used to represent colors.
    Be sure to experiment with the sliders.
  16. Scientific notationScientific notation: Very large or small numbers are often displayed in this format.
  17. How to Write Decimals in Scientific Notation
  18. What does e mean?
  19. Drill: Value of e notation: Practice writing e notation in normal format.
  20. A Magic Trick using binary numbers: Just for fun, print on heavy paper, cut out and enjoy!
  21. Self Study Questions
  22. Discussion Questions
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 06 2017 17:12:56.