Chapter 23 Flashcards
What is abstract
Vision
What is concrete
Detailed
What is narrative
Story telling
What are scenarios
An informal narrative description
What is scenario-based design
Different task based scenarios are used. e.g. user log in, user log out
What is actor
user role
What are personas-based scenarios
Concise narrative description of one or more persons using a product.
What are types of personas-based scenarios
- Context scenarios
- Validation scenarios
- Key path scenarios
What is the difference between personas-based scenarios and use cases
personas-based scenarios tells behavior of system whereas use cases does not tell that. Use cases focus on low level system user action and system response.
What are 2 types of statements in design process
- Problem statements
2. Vision statements
What are Problem statements
Problem statements defines objectives of design. It defines the problem.
What is vision statement
It describes what kind of system we want
What is brainstorming
Brainstorming is a group creativity technique by which efforts are made to find a conclusion for a specific problem by gathering a list of ideas spontaneously contributed by its members.
What are steps in defining requirement
1- Creating problem and vision statement 2- Brainstorming 3- Identifying personas expectations 4- Constructing the context scenario 5- Identifying needs
What are types of needs
- Data needs
- functional needs
- contextual needs
- other requirements
