Preliminary Design
Data Flow
Requested
by: Dr. Darren Lim
Assistant Professor
Department of Computer Science
Siena College
Dr.
Manimoy Paul
Assistant Professor
Department
of Quantitative Business Analysis
Siena College
International Online Survey
(IOS)
Bad Robot Enterprises
Prepared
by: Paul Borchers
Ryan May
Ryan Rose
Vito Urbano
November 28, 2007
International Online Survey
Preliminary Design
Table of Contents
Section 6: Data Flow Diagrams
6.0 Data Flow Diagram Legend------------------------------------------------------------ 2
6.1: Context
Diagram------------------------------------------------------------------------ 3
6.2: Level
0----------------------------------------------------------------------------------- 4
6.3: Administrator Level
1------------------------------------------------------------------ 5
6.4: Administrator Level
2------------------------------------------------------------------ 6
6.5: Administrator Level
3------------------------------------------------------------------ 7
6.6: Student Level
1------------------------------------------------------------------------- 8
6.7: Teacher Level
1------------------------------------------------------------------------- 9
6.8: Teacher Level 2------------------------------------------------------------------------- 10
6.9: Teacher Level
3------------------------------------------------------------------------- 11
6.1:
Context Diagram
Data Flow Diagram -
The Data Flow Diagram (DFD) is used for process modeling. The DFD clearly
represents the transactions between processes and users; and the transformation
of data in our program.
6.2:
Level 0
6.3:
Administrator Level 1
6.4:
Administrator Level 2
6.5:
Administrator Level 3
6.6:
Student Level 1
6.7:
Teacher Level 1
6.8:
Teacher Level 2
6.9:
Teacher Level 3
