Welcome to the page for information on computer data representation, errors, and utilities, as viewed by the International Baccalaureate Organisation. If you are not a nerd, you don't need to view this website and probably have better things to do.

Data Representation:

• What is data? How is it different from information?
  
• What is analog data?
  
• What is digital data?
  
• Representing Data Using the Binary System
  
• Representing Non-Numeric Characters Using Binary
  
• Converting Positive Integers Between Binary and Decimal Notation
  
• Interconversion Between Analog and Digital Formats for Computer Processing and Applications
  
• Standard Protocols and File Formats

Errors

• General Description of Errors
  
• Error Detection
  
• Error Prevention
  
• Error Recovery

Utilities

• Software Utilities
  
• Data Compressor Utilities
  
• Virus Checkers
  
• File Managers
  
• Defragmentation Software