Software Analysis

• Data collection

  • Survey, used for large groups of people and allow for more efficient processing and analysis
  • Interview, conducted face-to-face and allow for more analysis of complex emotions
  • Report, written document providing a summary of the system
  • Observation, involves physical observation of how a system operates and how it is used
• Requirements of a software

  • Functional, related to what the solution will do; functionality
  • Non-functional, requirements that will not affect what the solution will do
  • Scope, describes the project and what the project will and will not do
  • Constraints, anything that can limit the development process
• Interfaces between solutions, users and networks

  • Use Case Diagrams, method of describing how a user interacts with a system
  • Context diagrams, visualisation of how data is passed into and out of a system
  • Data flow diagram, visualisation of how information within a system flows
• Security considerations

  • Encryption, to encode text so that it becomes unreadable to unauthorised people
  • Authentication, process of verifying a user