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 Number Systems

Number Systems

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Module 02: Number Systems

Goals:

• Know how values are represented in the computer','Undersand the Decimal, Binary, Hexadecimal, RGB Colors systems
• Understand the different number systems used by computers.
• Be able to convert from one notation to another
• Be able to name the different number systems and how they are used.

Objectives:

• Use number systems and convert from one number system to another, Learning outcome #4;
• Convert binary to decimal;
• Convert decimal to binary;
• Convert Hexadecimal to decimal or binary;
• Determine the color from an RGB value;
• Be able to read and write a number using scientific notation.

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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. Convert binary to decimal: Video: This video demonstrates converting decimal to binary. 5 minutes
5. Drill: Convert binary to decimal: Practice converting binary numbers to decimal
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: This video demonstrates converting binary to hex.
10. Drill: Convert binary to hexadecimal: Practice converting binary to hexadecimal
11. Converting Hexadecimal to Binary: This video show how to convert binary to hexadecimal.
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. Self Study Questions: What do you know about the number systems used in Computer Science?

Glossary for numbers lesson
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