Statechart
Statecharts are a visible modeling technique used to symbolize the conduct of a system, especially in the context of actual-time and reactive structures.
It is developed by using David Harel, statecharts amplify the competencies of finite state machines (FSMs) by way of introducing hierarchical states, parallel states, and greater expressive constructs.
Components of Statecharts
- States: Basic constructing blocks representing a circumstance or state of affairs in which the system can exist.
- Transitions: Connections between states, depicting the flow of manage from one state to another in response to occasions.
- Events: Triggers are those which initiate state transitions. Events can be either external or internal.
- Actions: Tasks or operations associated with state transitions or states. Actions specify what happens throughout or after a transition.
- Hierarchical States: States can be nested within different states, creating a hierarchy that enhances the organisation and clarity of complicated structures.
Dialog Design in Human Computer Interface(HCI)
Dialog design plays an important role in the interaction between the user and the system. It provides ways through which user can input their data, receive feedback, and navigate throughout the system.
Effective dialog design is important for providing a great user experience and ensuring efficient conversation between the user and the system.
Important Topics for Dialog Design in HCI
- Levels of Dialog in Human-Computer Interaction
- Dialog Representation
- Introduction to Formalism
- State Transition Network (STN) with Diagram
- Statechart
- Petri Nets
- Visual Thinking
- Direct Manipulation Programming
- Item Presentation Sequence
- Menu Layout
- Form Fill-in Dialog Boxes
- Conclusion