INSY6211 Chapter 2 Flashcards

Flashcards based on lecture notes for Systems Analysis and Design, Chapter 2.

What are the core activities of systems analysis?

Discovery and understanding details, gathering information, defining requirements, prioritizing requirements, developing user-interface dialogs, and evaluating requirements with users.

What are Functional Requirements?

Activities the system must perform, including business rules, functions users carry out, and use cases.

What are Non-Functional Requirements?

System characteristics like constraints and performance goals.

What does FURPS+ stand for?

Functional, Usability, Reliability, Performance, Security, plus additional categories.

What is a Model in systems analysis?

A representation of some aspect of the system being built.

What are the types of models?

Textual, Graphical, and Mathematical.

What are the reasons for modeling?

Learning, reducing complexity, remembering details, communication, and documentation.

What are common information gathering techniques?

Interviewing, questionnaires, reviewing documents, observing processes, researching vendors, and collecting comments/suggestions.

Who are stakeholders?

Persons who have an interest in the successful implementation of the system.

What are the different types of stakeholders?

Internal, External, Operational, and Executive.

What themes guide information gathering questions?

Business operations/processes, how they should be performed, and what information is needed.

What is a Workflow?

A sequence of steps that handles one business transaction or customer request.

What is an Activity Diagram?

Describes user/system activities, the person involved, and the flow of these activities.

What symbols are found in activity diagrams?

Swimlanes, activities, transition arrows, start/end points, synchronization bars, and decision points.

What is the purpose of the UML Activity Diagram?

Used to document (model) workflows after collecting information.