Topic 1: Info, Data and Knowledge 0.0 / 5 ? ICTData and InformationASAll boards Created by: antoniaewhitleyCreated on: 23-03-15 18:13 Define "data" Raw facts and figures with no context or meaning. 1 of 9 Define "information" Data that has been processed by a computer and given a meaning. 2 of 9 Define "knowledge" Gained from information by applying rules 3 of 9 Give an example of the relationship between data, info and knowlege Data- 85 Info- 85mph Knowledge- (rule) National speed limit is 60mph so the driver is speeding 4 of 9 What is encoding data? Encoding Data is data replaced by short codes. 5 of 9 How is data encoded? Masses of information is collected and encoded into data that is quick and easy to enter into a computer 6 of 9 Advantages of encoding data Saves space | Faster to enter | Less input errors | Analyse data efficiently | Greater data consistency 7 of 9 Disadvantages of encoding data Value judgements | Coarsens data 8 of 9 What does coarsening data mean? Fitting data into the closest category therefore loosing precision 9 of 9
TOPIC 1:Data, Information, Knowledge & Processing (ICT AS OCR New Spec For First Teaching 2008) 0.0 / 5
Comments
No comments have yet been made