Customers
PRODUCT
Business Process
Participants
Information
Technology
Customers
PRODUCT
Business Process
Participants
Information
Technology
Customers
PRODUCT
Business Process
Participants
Information
Technology
Customers
PRODUCT
Business Process
Participants
Information
Technology
Customers
PRODUCT
Business Process
Participants
Information
Technology
Customers
PRODUCT
Business Process
Participants
Information
Technology
Customers
PRODUCT
Business Process
Participants
Information
Technology
DEVELOPEMENT
Requirements
Analysis
PROTOTYPING
Analysis
Design
Traditional
Development
Model
Implementation
Testing
Conversion
Maintenance
Viewing businesses as systems
Businesses
as systems consisting of
business processes
SUPPLIER
Purchased
Parts
Finished goods
THE FIRM
Orders to supplier
Product
design
Production
Product
design
Actual and
Forecasted
orders
Preferences
Sales
Delivery
Orders
Finished
Goods
CUSTOMER
Service
Service
requests
Equipment
Viewing businesses as systems
Value Chain
for a “sit down” restaurant, not fast
food...
Viewing businesses as systems
Value Chain
for a “sit down” restaurant, not fast
food...
Purchase
food
Store
food
Seat
Customer
Take
orders
Cook
Food
Serve
food
Create
bill
Receive
payment
Viewing businesses as systems
• Business processes and functional areas
of businesses
– The silo model
Viewing businesses as systems
• Business processes and functional areas of businesses
– The silo model
•
Information systems and work
systems
What kind of system?
– Information system
– Work system
Business Environment
Firm
Work System
Information
System
Information
Technology
•
Framework for thinking about
systems
Participants
– Who’s involved…
• Information
Accumulate
knowledge
Knowlege
Data
Format, filter,
summarize
Information
Interpret
Decide, act
Results