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Number Systems: Decimal, Binary, Hexadecimal, RGB Colors

Goal:

In order to do this you will:

Objectives:

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Please study the material at each of the links below.

  1. Number systems: grouping: Quantities can be grouped in different ways.

  2. Decimal system: The decimal system is base 10.

  3. Binary Numbers: 0 and 1: The binary system is base 2

  4. Drill: Convert binary to decimal: Practice converting binary numbers to decimal

  5. Convert binary to decimal: Video: This video demonstrates converting decimal to binary. 5 minutes

  6. Drill: Convert decimal to binary: Practice converting binary numbers to decimal

  7. Hexadecimal Numbers: Base 16: 4 binary digits can be represented by 1 hex digit.

  8. Decimal, Binary and Hexadecimal: Conversion table

  9. Converting Binary to Hexadecimal Converting Binary to Hexadecimal: This video demonstrates converting binary to hex.
    /computers/videos/binary-hex.mp4
  10. Drill: Convert binary to hexadecimal: Practice converting binary to hexadecimal

  11. Converting Hexadecimal to Binary Converting Hexadecimal to Binary: This video show how to convert binary to hexadecimal.
    /computers/videos/hex-binary.mp4
  12. Drill: Convert hexadecimal to binary: Practice converting hexadecimal to binary.

  13. RGB Colors: RGB stands for Red, Green, Blue. It is used to represent colors. Be sure to experiment with the sliders.

  14. Scientific notation: Very large or small numbers are often displayed in this format.

  15. How to Write Decimals in Scientific Notation: Video 2.33 minutes

  16. Drill: Value of e notation: Practice writing e notation in normal format.

  17. A Magic Trick using binary numbers (PDF file to download): Just for fun, print on heavy paper, cut out and enjoy!

  18. Self Study Questions: What do you know about the number systems used in Computer Science?

  19. Self Study Questions

  20. Discussion Questions Discussion Questions

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