1. Exercise
Develop a context Diagram for a small bank for “Loan Granting” process
Identify EXTERNAL entities
Develop a Context diagram

2. Context Diagram I-P-O INPUT
A simplified loan process
Steps:
INPUT
Customer requests loan through an Application (input)
Credit Bureau provides customer credit history (input)
Customer acceptance of loan (if accepted)
Customer provides completed (Executed) Loan Contract
PROCESS: Process Loan (can use a Circle or a rectangle)
OUTPUT:
Outcome: Accept/Reject
IF Loan is approved
Send acceptance notification
IF accepted by customer
Send Loan Contract
Send Loan Amount
ELSE
Stop
Send rejection letter

3. Request customer history
Customer’s
Credit
History
Credit
Bureaus
Request customer history
Loan Granting
Process
Application
Executed Loan
Contract
Acceptance/ Rejection of Loan
Notice of Acceptance or Rejection
Customer
Loan Contract
Loan Funds