4. Data Representation

Because computers represent everything as patterns of 1s and 0s, we need to come up with conventions for how different kinds of information will be represented. This chapter explores the representation and manipulation of data in a computer.

Chapter Topics:

• 4.1. Number Systems & Binary
• 4.2. Binary Conversions - Table Method
• 4.3. Binary Conversions - Multiplication/Division Method
• 4.4. Binary Addition
• 4.5. Other Operations
• 4.6. Negative Values - Two’s Complement
• 4.7. Fractional Values
• 4.8. Floating Point Numbers
• 4.9. Representing Letters with ASCII
• 4.10. Representing Images
• 4.11. Hexadecimal
• 4.12. Hex Data & Colors

You have attempted of activities on this page