6. Data Flow Diagram:
Valid user
information
User
Store in
charge
command
Authenticat
ion
Set role
Process
Requisition
slip
Process
Register
book
Communica
te via
notification
User
Director
Recom
merder
Store-
in-
charge
Register book info.
Message
Level 1 DFD (IMS)
12. Architectural Design:
Level 1 Architectural Design
IC
Inventory Management System
PC
User Choice Sign In Sign Up
OC
Set User
Role
Process
Requisition Slip
Process Register
Book
Communicate
Via Notification
User Input
IC
User DB
IC PC
User
Input
13. Level 1.1 Set user Role
Store-in-Charge
Command
Remove Current
Director
Set New
Director
IC PC OC
Get Choice
Set
Recommender
IC PC
Set User Role
Set Director
User DB
OCIC
Select User User DB
14. Level 1.2 Process Requisition Slip
OC
IC PC
User
Choice
Create
Requisition Slip
User Input
OCIC OC
Process
Requisition Slip
Verify
Requisition Slip
Recommend
Requisition Slip
IC IC
Recommender
Input
Director
Input
Requisition
Slip DB
Requisition
Slip DB
Requisition
Slip DB
15. Level 1.3 Process Register Book
IC PC
OC
Store-in-
Charge Choice
Update Register
Book
Create Register
Book
Store-in-Charge
Input
Store
Information
Select Register
Book
Store-in-Charge
Input
Register Book
DB
Register Book
DB
IC
IC OCPC
Process
Register Book
16. Level 1.4 Communicate via Notification
OC
PCIC
View
Notification
OC
Communicate
Via Notification
User
Choice
Send
Notification
IC PCIC
Notification DB Notification DBCreate
Notification
User InputUser
Interface