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Types of processing (Transaction processing (Examples (Buying an item in a…
Types of processing
Transaction processing
Are events which need to be recorded with the production,sale and distribution of goods and services
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Example answer
Transaction processing could be used when paying for goods online. Each transaction is processed as it is received and must be completed before another start
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Disadvantages
Reliance on systems - if system goes down,customers will go elsewhere
Batch processing
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Examples
Electricity,gas and telephone bills are normally calculated monthly
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Exam answer
Batch processing could be used to produce monthly wage slips. The data would be gathered together in batches over a period of severla weeks and then processed altogether at the same time.
Advantages
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Requires less hardware,i.e. interactive terminals
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Interactive processing
Inputs are noted by the computer, but are processed after a short delay, it has a short delay because it sepnds that delay handling other inputs and managind data movements
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Exam answer
Interactive processing could be used when a user interacts with wizard. A dialogue is established between the user and the computer
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Disadvantages
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Additional costs in terms of physical resources,eg. hardware
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