Business Information Systems

Transaction Processing Systems
A transaction is a record of an event that signifies a business
A transaction processing system is a basic business system
that support the functions of
the basic activities of the business
Fig. 13.1 Transaction Processing Systems
Examples of basic manufacturing/production systems are:
 materials purchasing
 receiving
 shipping
 process control
 numerical control
 equipment
 quality control
 labor costing
 robotic systems
Examples of basic sales/marketing systems are:
 sales
 telemarketing
 order processing
 point-of-sales systems
 credit authorization
Figure 13.4 Order Processing System
Examples of basic finance/accounting systems are:
 accounts receivable
 accounts payable
 general ledger
 payroll
 cash management
 loan processing
 check processing
 securities trading
Examples of basic human resource systems are:
 personnel record keeping
 applicants tracking
 positions listing
 training and skills
 benefits
Questions to ask
Where does the system obtain its data?
What does the system do with the data?
What problems does the system solve?
What differences does the system make?
Office Automation Systems
• Data work: use, manipulate, or disseminate
• Knowledge work: create new information
using judgment & creativity
– Discipline/Principle/Profession/Certification
• Office work: coordinate & integrate
workers from different functional areas
An office automation system is any application of
information technology that increases the
productivity of office workers
document management
word processing
desktop publishing
electronic communications
electronic scheduling
data management
project management
Figure 16.2 Four Functions of Management
Figure 16.4 Manager’s Time
3 roles of a manager
1. Interpersonal
figurehead, leader, liaison
2. Informational
monitor, spokesperson, disseminator
3. Decisional
entrepreneur, mediator, resource allocator,
Management Support Systems
• MIS: summarize & report on the basic
operations of a company
• DSS: provide data & models interactively to
support semi-structured problem solving
• EIS: provide data from both internal &
external sources to support unstructured
problem solving
Figure 16.5 An MIS
Figure 16.7 An DSS
Figure 16.9 An ESS
Artificial Intelligence: the study of how to make
computers to do things that require some level of
•Learn/understand from experience
•Acquire & retain knowledge
•Respond quickly & successfully to new situations
•Solve problems
Expert Systems
• Solve problems that require expertise
• Use facts and reasoning (rules of thumb)
• Explain what it knows and its reasoning process
3 components:
• Knowledge base
• Inference engine
• User interface