1
Q
Data Flow Diagram
A
Visual representation illustrates how data moves through a system or a process
Diagram designed using simple symbols such as rectangle, oval, or circle and arrows.
Aide in requirement analysis, process modelling, system design, and communication.
2
Q
Why DFDs not normally used in objects oriented system development ?
A
Due to process centric nature
struggle to represent objects, classes, inheritance, and polymorphism effectively
UML diagrams are better for OOSD.
3
Q
Elements of DFD
A
Processes
Data Flow
Data stores
External entities
Context diagram
Decomposition
4
Q
Properties in DFD
A
Hierarchy
Balancing
Consistency
Clarity
No control flow
Logical/ physical views
System Analysis & Design
flashcards
Decks in class (30)
# Cards
-
Software Development Life Cycle8
-
What is system analysis & design8
-
WATERFALL METHOD11
-
Requirements Elicitation / Gathering techniques17
-
Describe the role of business analyst, system analyst and system architect3
-
Prototyping12
-
Stakeholders4
-
XP - Extreme Programming2
-
Dynamic System Development Method (DSDM)2
-
Function Requirements & Quality Requirements2
-
Functional &Non Functional Requirements2
-
Adaption of Methodologies2
-
Prioritization of requirements2
-
Categorization for requirements1
-
Testing7
-
Pseudo code2
-
software usability5
-
Gap Analysis1
-
Feasibility studies2
-
Business Case1
-
Business Activity Modelling1
-
Dataflow Diagram (DFD)4
-
Explain the main differences between logical and physical DFDs.2
-
Use Case5
-
Roles between DFD and ERD1
-
STATE MACHINES/ CHART2
-
Data Validation2
-
Requirement Document2
-
GUI1
-
Object Oriented Programming6
