Business Information Systems

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Business Information Systems
Types of Systems
1. Horizontal system
a. Systems that fit any company
i. Payroll
ii. Inventory
2. Vertical system
a. Systems unique to a specific company
3. Legacy systems
a. Systems that have been in effect for a long time.
b. New systems must be compatible
Designing a successful System for a Company
1. Use Business Process Modeling process
a. Represents Operations and Information needs
b. Create a Business Profile
c. Use Business Models to describe different processes within business.
Developing a Business Profile
1. What is a Business Profile?
d. Overview of Operations already in place
e. Includes:
i. Products
ii. Services
iii. Customers
iv. Suppliers
v. Competitors
vi. Internet opportunities
2. Study how information systems in place interact
3. Study information needs
4. Determine future growth projections
Create a series of Business Models
1. Business Models
a. A graphical representation of business processes the company performs
b. Business process
i. Describes Events, Processes, and Results of a specific operation
Types of Companies
1. Product-oriented
a. Manufacture and sell products
2. Service-oriented
a. Sell information or services
b. Sell products manufactured by other vendors
3. Brick-and-mortar
a. Conduct business from a physical location
4. Dot-com (.com) or Internet-dependent
a. Business relies on Internet
Business Information Systems
1. A System is identified by its functions:
a. Enterprise computing systems
b. Transaction processing systems
c. Business support systems
d. Knowledge management systems
e. User productivity systems
Enterprise Computing Systems
1. An information system that supports:
a. Company-wide operations and data management requirements
i. Inventory
ii. Reservations
iii. Data Access and Storage
2. Can drastically reduce operating costs
3. Requires time, money, and commitment
Transaction Processing Systems
1. Process the data generated by the day-to-day business operations
a. Processing customer orders
b. Invoices
c. Inventory update
2. Series of sequential transactions
a. Each transaction dependent upon successful completion of previous transaction
b. Process will stop if one transaction is not successful
3. Mission critical systems
a. Company will not function without this type of system
Business Support System
1. Provides job related support
2. Analyze transactional data
a. Provide information that leads to better decision making
3. Works hand in hand with a Transactional Processing System
a. TP will handle sale, customer balance, update inventory
b. BS will flag items in high or low demand, past due balances, and adjust inventory levels.
Knowledge Management System
1. Make use of large Knowledge Base
a. Data base that allows Users to find information using Queries
2. Simulate human reasoning based upon results of Query
User Productivity Systems
1. Technology that improves productivity
a. E-mail
b. Voice mail
c. Video conferencing
d. Word processing
e. E-Calendars
f. Spread sheets
g. Desktop Publishing
h. Company Intranet
i. Access to Internet