Chapter 4 Flashcards
(61 cards)
actor
An external entity with a specific role. In a use case model, actors are used to model interaction with the system
agile methods
Systems development methods that attempt to develop a system incrementally by building a series of prototypes and constantly adjusting them to user requirements. Also called adaptive methods
brainstorming
a fact-finding technique for gaining information through the use of a small group discussion of a specific problem, opportunity, or issue.
business process model (BPM)
A graphical representation of one or more business process
Business Processing Modeling Notation (BPMN)
A standard set of shapes and symbols used to represent events, processes, and workflows in computer-based modeling tools.
close-ended questions
Queries that limit or restrict the range of responses. Used in the interview process when specific information or fact verification is desired.
construction phase
A phase that focuses on program and application development tasks similar to SDLC
cutover phase
A phase that resembles the final tasks in the SDLC implementation phase, including data conversion, testing, changeover to the new system, and user training
data flow diagram (DFD)
Diagram that shows how the system stores, processes, and transforms data into useful information
Document Review
A review of baseline documentation. A useful fact-finding technique that helps an analyst understand how the current system is supposed to work.
Engaged listening
The ability to really concentrate on what someone is saying and avoid the temptation to hear what is expected. Also includes noticing nonverbal communication
epic
In an agile project, a simple, high level statement of a requirement.
fact-finding
The process of gathering requirements
feature
In an agile project, a simple, high level statement of a requirement
fill-in form
A template used to collect data on the Internet or a company interest
functional decomposition diagram (FDD)
A top-down represetnation of business functions and processes. Also called structure chart.
functional requirement
A statement of the services a system provides
Hawthorne Effect
Phenomenon where employees who know they are being observed are more productive
histogram
a common tool for showing the distribution of questionnaire or sampling results. It takes the form of a vertical bar chart
informal structure
An organization based on interpersonal relationships, which can develop from previous work assignments, physical proximity, unofficial procedures, or personal relationships
interview
A planned meeting during which information is obtained from another person
joint application development (JAD)
A systems development technique that uses a task force of users, managers, and IT professionals who work together to gather information, discuss business needs, and define the new system requirements
leading questions
Queries that suggest or favor a particular reply
non-functional questions
A statement of operational system constraints