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9 Cards in this Set
- Front
- Back
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What can both Validation and Verification not ensure?
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They cannot ensure that data is completely correct.
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What is Validation used for?
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It is used to ensure data is reasonable, sensible, complete and within acceptable boundaries. |
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Identify 5 ways in which Validation is put in place.
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RANGE CHECK, PICTURE CHECK, LENGTH CHECK, PRESENCE CHECK, TYPE CHECK
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Describe Verification.
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Verification ensures the source and object data are the same.
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Identify the ways in which Verification is put in to place.
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PROOF READING, COMPUTER VERIFICATION
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Describe Back Up.
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Back Up is making a copy of data.
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Describe Archive.
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Archive is removing data from direct access.
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Identify and Describe the four components of the Cost of Information.
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HARDWARE: specialist equipment such as scanner, camera, graphics tablet etc. SOFTWARE: such as DTP, Graphics Software etc. PERSONNEL: employees and training individuals CONSUMABLES: such as Ink, Paper and Electricity |
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Identify and Describe the five components of the Generic ICT System.
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Input: Entering external data into a system Processing: Manipulating the data Storage: Holds data for later use Output: Data put outside of the system Feedback: Output influencing the input |
