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Modeling Tools and Techniques - Coggle Diagram
Modeling Tools and Techniques
Fact Finding Techniques
Questionaires
A special - purpose documents that allows the analyst to collect information and opinions from respondents
Closed ended questions
Limit the number of possible responses and are appropriate for reliable data that is easy to analyse
Interviews
Allows you to collect valuable insights on the requirements
Sampling
Process of combing a representative sample of documents, form and records
Randomization
Process of selecting sample data randomly
Stratification
Systematic process to deduct the variance of sampling data
Reading Background
Fact-finding technique which involves reading through historic documents such as annual reports, invoices, bills, tax files to obtain information about existing system
Meaning
Process of collection of data and information based on techniques
Observation
Simply watching people working
Data Flow Diagram
Data Flow Diagram (DFD)
Additional levels of information and detail are depicted in other, related DFDs
Show how the system
Business Process Modelling
Business Process Model (BPM)
Business Process Modeling Notation (BPMN)
Pool
Swim lanes
Use Case Diagram
Interaction between users and the system
Sequence Diagram
Shows the timing of interactions between objects as they occur
Functional Decomposition Diagrams
Top - Down representation of a function or a process
Similar to an organization chart