Data and Information Data and Information 0.0 / 5 ? ICTData and InformationASAQA Created by: George G HealCreated on: 12-12-14 13:48 What is data? Data is raw material Data are details that are meaningless because they lack relevance and have no context 1 of 12 what form date takes numbers words images sound 2 of 12 why code date less effor to type mare date can be scren at one time takes up less stogare space eassier to check when vailding the date 3 of 12 example of code date dd/mm/yy/ M or F GB AU CH ES 4 of 12 what is encoding The process of putting information/data into a specified format that allows effective transmission or storage by an ICT system. Data is converted into binary for processing so the computer can understand it E.g. ASCII encoding – where characters on the keyboard are changed into binary. A = 01000001. 5 of 12 why encode date to compress date makeing it smaller to enablee file proudce in one softwear package to be read by someone who dose not have that pice of sofwear 6 of 12 type of encode date for images GIF JPG TIF BMP PNG type for sound WAV MP3 WMA 7 of 12 difference between date and information date is the RAW fact and ficuer, which in put in to a sytmes sroted then process by the sytmesm. were as information is date with a context 8 of 12 what is information come form the processing of date. iformatio is date which have been processed contextualised oragised in someway 9 of 12 quailty of information when decsion are being made on the basis of the information. it is imperative that the informatrion is sound 10 of 12 What makes quality information? Accuracy How easy the information is to understand Maybe not everyone understands t he way the data has been coded? Relevance Up-to-date 11 of 12 Why keep data up-to-date date prction act 1998 acruate predcadtion and frorecasting accurate anyalise of date 12 of 12
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