ICT GCSE Chapter 5

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  • Created by: AmritaJ18
  • Created on: 29-03-17 15:25
What is the feasibility study?
An assessment of the practicality of a proposed plan or method
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What are the 2 ways to fact find how a system works?
Observation - finding out what actually happens, Examination of documents used in the system
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What are the 2 things that happen in an Analysis?
Analyse the system to improve it, analyse the needs of the company
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Name the 8 stages of the System Life Cycle
Feasibility Study, Analysis, Design, Implementation, Testing, Documentation, Evaluation, Maintenance
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What are 3 types of maintenance?
Adaptive - result of strategic changes within the company. Perfective - improve an already satisfactory system. Corrective - repair problems as they occur
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What do you have at the end of the implementation stage?
A working system and details of any changes that were made to the designs
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What is the definition of erroneous data?
Data that should cause the system to tell the user that there is a problem with the data entered
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What is extreme data?
Data at the boundary between normal data and invalid data
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Other cards in this set

Card 2

Front

What are the 2 ways to fact find how a system works?

Back

Observation - finding out what actually happens, Examination of documents used in the system

Card 3

Front

What are the 2 things that happen in an Analysis?

Back

Preview of the front of card 3

Card 4

Front

Name the 8 stages of the System Life Cycle

Back

Preview of the front of card 4

Card 5

Front

What are 3 types of maintenance?

Back

Preview of the front of card 5
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