Flashcards
Wjec AS level ICT Flash cards
Flashcards do conjunto (9)
- 1What is the definition of Data?Raw facts or figures or a set of values, measurements or records of transactions
- 2Give an example of Data1 - Yes, No, No, Yes, Yes, No, Yes
2 - 42, 63, 96, 74, 56
3 - 14078, 20115 - 3What is the definition of Information?consists of processed data or data with a context
- 4Give an example of Information1 - responses to the market research question - "would you pay more for good x or good y?"
2 - Jack's test scores entered in a spread sheet
3 - the previous and current readings of a customer's gas meter - 5What is the definition of Knowledge?derived from information by applying rules to it
- 6Give an example of Knowledgeswimmer 1 - 63.6s
swimmer 2 - 51.2s
swimmer 2 is the fastest swimmer - 7What is the definition of Encoding?Process of putting sequence of characters into a specialised format for efficient transmission or storage
- 8What are the advantages of encoding?1 - coded data takes less effort to type in e.g. GB for Great Britain
2 - more data can appear on the screen
3 - takes up less storage space
4 - it is easier to check that a code is accurate using validation checks
- 9what are the disadvantages of encodingcoarsens precision
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- FlashCards sobre Wjec AS level ICT Flash cards , criado por mohammadz em 20-10-2015.
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- mohammadz
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