Stakeholders state their requirements which are used to define the problem and the system requirements.
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What happens during the Design Stage?
Different aspects of the new system are designed such as:
- Inputs
-Outputs
-Security Features
-User Interface
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What happens during the Development Stage?
The design from the previous stage is used to split the project into individual self-contained modules
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What happens during the Testing Stage?
The program is tested against the test plan formed in the design stage. Various types of testing can be carried out
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What happens during the Implementation stage?
Once the the software has been tested and reviewed, it is installed on to the users sytems.
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What happens during the Evaluation Stage?
The effectiveness of the software is evaluated against the system requirements. Criteria such as robustness, reliability and maintainability are considered.
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What happens during the Maintenance Stage?
Any errors or improvements that could be made to the software are flagged up by the end users. Software updates will be released to fix any bugs or security issues.
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What is Alpha Testing?
Alpha testing is carried out in house by software development teams within the company
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What is Beta Testing?
Beta-Testing is carried out by end-users after alpha testing has been completed.
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What is White Box Testing?
White Box Testing is carried out by software development teams in which the internal structure of the program is known so that all routes can be tested
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What is Black Box Testing?
Software is tested without testers being aware of the internal structure of the software.
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What is the Waterfall Lifecycle?
The traditional waterfall model of software development which is based on stages completed in a sequence.
Analysis, Design, Implementation, Evaluation and Maintainence
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What are Agile Methodologies?
A collection of Methodologies which aim to improve the flexibility software development and adapt to changes in user requirements faster
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What is the Spiral Model ?
The spiral model is built on four key stages with the focus of effectively managing risk heavy projects
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