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35 Cards in this Set

  • Front
  • Back
Are we building the system right?
Are we building the right system?
To break down
To build up
Myers- Briggs
Sixteen possible variants
Four dimensions
(I) Introversion Vs. (E) Extroversion
Where do you get your energy?

reserved or expressive
(S) Sensing Vs. (N) Intuition
How do you take in information?

Detailed and fact or Big picture
(T) Thinking Vs (F) Feeling
How do you make decisions?
Analysis or values
(J) Judging Vs. (P) Perceptive
How do you deal with time?
Plans or Options
Tuckman's Group Development Model
(IR) in functional objectives
Increase Revenue
(AC) in functional objectives
Avoid Cost
(IS) in functional objectives
Improve Service
Whats a stakeholder?
person, group member or system who affects or can be affected by an orgs actions
An ACTION that yields a RESULT on a OBJECT
Stakeholders needs
It is not possible to meet all stakeholders needs

Prioritization and compromise required
Project Scope
Describes what other projects its associated with, and anything else that affected or influenced by this document
Function vs Constraints
Behavioral that the system should support
Non-functional requirements or attributes
Functional Objective
WHAT the system will do ?
WHY they system will do it ?
HOW the objective has been met ?
Complete Functional Objective Statement
<POSITIVE > The system shall....
<function>, creating <IR AC IS> benefits.
Evidence will be measured by <x> improvement in <measurable performance>
Iron Triangle
Context Diagram
1. Scope- Illustrates the source of problem
2. The externals- Sinks data
3. Data Flow- Control flow into and out of a system
Data flow Diagram
Yourdon-DeMarco vs, Gane- Sarrson
Models the essential functions and data of the system
Represents data, not action
Labeled using noun phrases (no verbs)
Inflows on Context Diagrams
triggers or helps process events
Outflow on Context Diagrams
responses to events
Externals (Terminators)
no control over
outside the system
Event Table
Trigger-> Source -> Activity -> Response -> Destination
Bad Context Diagram have
Verbs as names
flows between entities
No names
Use Case
Sequence of actions a system performs that yields an observable result of value to the particular actor

(captures the main functionality from a actors prospective)

Black box
the sequence of actions required
Use case
Like ping pong
Actor takes a step
System responds
Actor takes a step
Pre Condition
Documents any condition that must be satisfied before the use case can begin
Post Condition
States how the world has changed because of the execution of the use case
A condition which is maintained throughout the use case
Non working mock up