2.2 Data and Information
Data - Raw facts, figures which has no meaning unless the data is put into context.
Direct: collected for specific purpose.
Indirect: data collected for entirely different purpose.
Encoding Data - data needs to be encoded into understandable format for the machines. (Examples: Pictures to BMP or JPG, Sound to WAV or MP3, Text to DOC or PDF)
Coding Data - Need to code data to enable easier data input
1. Appropriate - Can be produced in many forms
2. Clear - Must be clear to read and understand properly.
3. Timely - Old information useless. If exam paper been stolen before the exam day, its great value, but day after the exam would be useless.
4. Concise - Right amount of information should be displayed, stored in order for good quality.
5. Up-To-Date - Need to be up-to-date for good quality.
6. Correct - Information to be correct to be in any use.