ICT- Data, Information, Knowledge & Processing 0.0 / 5 ? ICTData and InformationASAQA Created by: Thomas TopCreated on: 23-02-17 15:53 What is Data? Raw facts and figures that can be alphanumeric and have no meaning 1 of 28 What is the Data transition? Data, Information, Knowledge, Wisdom 2 of 28 What is information? Processed data that is given meaning by its context and so made more useful 3 of 28 what is the formula for information? Information = Data + Context + Meaning + Structure 4 of 28 What is Knowledge? The result of interpreting information and is used to set up rules 5 of 28 What is the difference between information and knowledge? information is based on facts wheres knowledge is based on rules and these rules are based on probability 6 of 28 What is the Boolean data type? It is either TRUE/FALSE, or 10 7 of 28 What is the Integer data type? Holds whole numbers only 8 of 28 What is the Real data type? Holds decimal numbers 9 of 28 What is the Text/String data type? Holds any alphanumerical character, which can include numbers and symbols 10 of 28 What is a static source of information? A source of information that isn't likely to change 11 of 28 What is a dynamic source of information? A source of information that is continuously updated 12 of 28 What is meant by the coding of data? This is changing the original data into a shortened version in order to store it in the computer 13 of 28 What are the benefits of coding data? Less storage space required - Quicker - Small number of codes exist making it easier to match them against the rules - codes are easier to remember 14 of 28 What are the problems of coding data? The data isn't very precise - User needs to remember the codes - people might have more than one judgement 15 of 28 What is the Hardware cost of information? To collect, analyse and output the data - storage space to hold the data 16 of 28 What is the Software cost of information? Required to analyse the information and make a report based on the results - Maintenance agreements - software licences 17 of 28 What is the Manpower cost of information? People who are employed to collect or enter the data - maintenance of Hardware and Software 18 of 28 What is Direct data? Data that has been collected from an original source 19 of 28 What is Indirect data? Data that has been used for a purpose different to the purpose as to why it was collected in the first place. 20 of 28 What is an archive? data which is not used frequently and has been placed in an archive and is often old data 21 of 28 What is meant by a Back up? A copy of a current system or file 22 of 28 What are the d=factors affecting the quality of information? Accuracy, Relevance, Age, completeness, Presentation, level of detail 23 of 28 What is meant by GIGO? Garbage in garbage out 24 of 28 What is verification? Ensuring the source data is the same as the object data 25 of 28 What is computer verification? You enter the data in twice and the computer checks the two entries to see if they are the same 26 of 28 What is manual verification? You enter the data in and check manually from the screen against the source 27 of 28 What is Lookup verification? Having part of the data and retrieving the rest/checking the rest by looking up the data on a list 28 of 28
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