INFO 1 topic 2 (Analysis)

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  • Created on: 22-01-16 21:45
Who is the client?
The person who wants the solution to the problem.
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Who is the end user?
The person who will use the solution.
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Who are the audience?
The people who will come into contact with the solution.
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What are some methods of working out the actual problem that needs solving?
Interviews, Questionnaires, Document analysis of existing paperwork, Observations
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What are interviews?
Involves arranging an appointment, preparing questions in advance and recording what has been said. –There are 2 types: ADV: Structured, can adapt dependent on answers, DISADV: Time consuming if many views are needed.
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What are questionnaires?
Involves the creation of open/closed questions (closed = easier to analyse) which can be given to many people. ADV: Effective way of gathering many views and can be analysed easily, DISADV: Impersonal and not effective if the correct questi
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What is document analysis of existing paperwork?
Finding out how an existing system operates helps understand what's currently going on. ADV: Help easily identify inputs/processes/outputs, DISADV: A system's needed 'cause it's not the best way so the documents mightn't give all the info needed.
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What are observations?
Sometimes it's useful to watch what's going on. Watching people/processes can help identify the problems. ADV: Can view people/procedures/programs used/system wait times, DISADV: Talking to users mayn't give you all the info + might bias you.
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What should you cover when writing a list of the clients requirements?
Data Capture – Function what the system actually has to do – Function – how it will do it – the processes: – User interface – Output – Storage – Security
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What should you think about when writing the clients requirements?
What information needs to be produced as an output • What data would need to be put into the system and • What processing the computer must do to turn it from the input to the output.
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How can you present the clients requirements?
As a list/with diagrams. If a problem's too complex, limit what you have to do; break it down into smaller parts. Once you've written the requirements, it's important to go back to the client and check they're correct.
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What do you know about after covering this section?
Identifying problems, The difference between clients/end users/audience, How you can investigate a problem, The info that needs to be included in a specification, Using diagrams to help explain a problem, Identifying input/output/processing needs.
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Card 2


Who is the end user?


The person who will use the solution.

Card 3


Who are the audience?


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Card 4


What are some methods of working out the actual problem that needs solving?


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Card 5


What are interviews?


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