Revision cards for AQA AS INFO1 Analysis & Design
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Who is the client? | The person who has requested/needs the solution
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| Who is the end user(s)? | The person/people who will make active use of the solution
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| Who are the audience? | The people who the solution could be aimed at, who will view the content but not input e.g. customers browsing a website
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| What is analysis? | The stage of the project lifecycle where the problem that requires solving is identified.
Requirements and user skills are identified
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| Different methods of investigating a problem | Interview
Questionnaire
Observation
Reviewing existing paperwork
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| What are requirements? | What the client needs the solution to do
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| What is design? | The stage of the systems life cycle where the application, tools and techniques used to solve the problem will be decided and user requirements are interpreted into designs for input, process and output
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| What is validation? | Checking data as it is entered to ensure that it is reasonable, aimed at reducing data entry errors
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| What is verification? | Checking data once it has been entered to ensure it is correct
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| Validation vs verification | Validation checks data meets a rule, e.g. a number has been entered in a quantity field, verification checks the data is accurate, e.g. the correct quantity has been entered
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| Validation methods | Range check
Length check
Format check
Lookup check
Uniqueness check
Presence check
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| Verification methods | Double entry method
Proof reading
Control and hash totals
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Created by:
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