Topic 1: Data and Quality of data 0.0 / 5 ? ICTData and InformationGCSEWJEC Created by: Ellen StevensCreated on: 01-07-14 14:29 What is data? Data is raw facts and figures, e.g. readings from sensors and survey facts 1 of 7 What is processing? Processing: Performing calculations or arranging the data into a meaningful order. 2 of 7 What is information? Information: Data that has been processed by the computer. 3 of 7 What is knowledge? Knowledge: Derived from information by applying rules to it. 4 of 7 What is encoding? Encoding is applying codes to the data reducing its size 5 of 7 What are the advantages of encoding? It takes up less storage space, easing transferable, easier to back 6 of 7 What are the disadvantages of encoding? Easily stolen, training needed, security problem, viruses etc. 7 of 7
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