When you finish this chapter, you will:
Recognize different business functions and the role of
ISs in these functions.
Understand how ISs in the basic business functions
relate to each other.
Be able to show how ISs of different business functions
support each other.
2
Learning Objectives
Understand how IT is used in the most common
business functions to make business processes more
effective and more efficient.
Understand the notion of Enterprise Resource
Planning systems.
Recognize business areas where information
technology facilitates the work of managers and
knowledge workers.
3
Learning Objectives
ISs can help companies attain more effective and
efficient business processes.
Effectiveness
The degree to which a goal is accomplished
Efficiency
Determined by the relationship between resources
expended and benefits gained in achieving a goal
4
Effectiveness and
Efficiency
Yasir ALi #03023424143 (GCUF) 5
Effectiveness and
Efficiency
Figure 3.1 Information technology supports a variety of business functions
AISs automatically post transactions in the books
and automate generation of reports for management
and legal requirements.
Three types of AISs
Transaction processing systems (TPS)
Cost accounting systems
Managerial accounting systems
6
Accounting
Electronic Data Processing (EDP) Audits
Ensure electronic systems comply with standard
regulations and acceptable rules
Ensure systems cannot be manipulated to circumvent
acceptable principles
In recent years EDP auditors job title has changed to
information systems auditors.
7
Accounting
8
Accounting
Figure 3.3 Accounting information systems include features that reflect up-to-date performance
of the organization in financial terms.
The job of financial managers is to manage
money as efficiently as possible by:
Collecting payables as soon as possible
Making payments by the latest time allowed by
contract or law
Ensuring that sufficient funds are available for
day-to-day operations
Taking advantage of opportunities to accrue the
highest yield on funds not used for current
activities
9
Finance
Cash Management
Financial ISs help balance the need to accrue interest
against the need to have cash available.
Cash management systems (CMS): Handle cash
transactions specifically.
Electronic fund transfer (EFT): The electronic transfer
of cash from one bank account to another.
11
Finance
Investment Analysis and Service
Analyze and project the prices of a specific stock or
bond.
Transmit buy and sell orders electronically.
Provide clients with a detailed statement.
Monitor account information and news online.
12
Finance
ISs reduce engineering lead time or time-to-market.
Key to maintaining a competitive edge
Computer-Aided Design (CAD) Systems
Help engineers and technicians design new products
and quickly modify and store drawings electronically.
Rapid Prototyping: Creating one-of-a-kind products to
test design in three dimensions.
13
Engineering
IT helps in these manufacturing activities:
Plant activity scheduling
Material requirement assessment
Material reallocation between orders
Dynamic inventory management
Grouping work orders by “characteristics”
Resource qualification for task completion
15
Manufacturing and
Inventory Control
Materials Requirement Planning (MRP)
Take customer demand as initial input
Number of product units needed and when they are
needed
Use long-range forecasts to put long-lead material on
order
Help reduce inventory cost while ensuring availability
17
Manufacturing and
Inventory Control
Manufacturing Resource Planning (MRP II)
Combines MRP with other manufacturing-related
activities to plan the manufacturing process such as
Shop activity control and purchasing
Source of demand
Customer order entry and forecasting
Support functions such as financial management, sales
analysis, and data collection
19
Manufacturing and
Inventory Control
Manufacturing Execution Systems (MES)
Track, schedule, and control manufacturing processes
Collect data such as
Hours machine operates every day of the month
Hours the machine is idle and why
20
Manufacturing and
Inventory Control
Market Research
Statistical models help market researchers find the best
populations for new and existing products.
Targeted Marketing
Database management systems (DBMS) help define
potential customers as narrowly as possible.
21
Marketing, Sales, and
Customer Service
The Computer as a Marketing and Selling Medium
Companies send customers promotional disks with
information on their products and services.
Commercial announcements are posted on public
bulletin board systems.
The Web lets companies reach more shoppers and
serve them better.
23
Marketing, Sales, and
Customer Service
Sales Force Automation
Equipping salespeople with information technology to
facilitate productivity.
IT allows salespeople to present different options for
products and services on the spot.
Customer Relationship Management (CRM)
Customer service via the Web is available 24
hours/day, 7 days/week.
Saves companies labor hours and telephone expenses
24
Marketing, Sales, and
Customer Service
Yasir ALi #03023424143 (GCUF) 25
Human Resources
Figure 3.9 Human resource management information systems help managers optimize the
assignment of employees and provide payroll, benefits, and other employee-related services.
Employee Record Management
Reduce space needed to store records, time to retrieve
them, and costs of both
Promotion and Recruitment
Search databases for qualified personnel
Use intranet to post job vacancies
Use the Web to recruit
26
Human Resources
Training
Multimedia software training is replacing classrooms
and teachers.
Training software simulates an actual task or situation
and includes evaluation tools.
Evaluation
Evaluation software helps standardize the evaluation
process and adds a certain measure of objectivity and
consistency.
27
Human Resources
Compensation and Benefits Management
ISs can help manage compensation efficiently and
effectively.
Calculate salaries, hourly pay, commissions, and taxes
Automatically generate paychecks or direct deposits
Special software helps manage benefits, such as health
insurance, life insurance, retirement plans, and sick
and leave days.
28
Human Resources
Enterprise Resource Planning (ERP)
All business functions served by one system that
supports different activities for different departments
Support supply chain management, the series of main
and supporting activities from order to delivery.
29
Enterprise Resource
Planning
GroupWare lets workers in different locations
communicate ideas, brainstorm, and work
together as if they were in the same place.
Document Control
Users can distribute and track electronic documents
without working with outdated information.
Especially useful for legal revisions.
Collaborative Projects
Users can coordinate work on a single document from
many different terminals.
30
Groupware and
Collaborative Work
Brainstorming
A group meeting and working collaboratively to
generate creative solutions and new ideas.
Groupware software can facilitate this process
Eliminates the expense of bringing everyone to the same
physical location.
31
Groupware and
Collaborative Work
Time permitting… Refer to pgs 90-91 in your
text
Class divided in two groups
Business
Civil Rights advocates
Refer to rules on pg. 91
Business: Do these rules impede the free flow of
information? What are the impacts?
Civil Rights: Are these rules critical for privacy? Are
the technical and financial arguments strong enough
to set aside privacy issues?
32
Debate
What is Privacy?
One’s right to control information about oneself.
Not a constitutional right per se; secured by laws
or convention.
Increasing number of organizations may access
information via better IT hardware and software.
Business and civil rights advocates dispute degree
of privacy vs. utility of information access.
33
Ethical and Societal Issues
Privacy? What Privacy?
Business Arguments
Necessary to collect basic financial and personal
information as cheaply as possible
Consumers benefit eventually from competitive
environment augmented by readily available
information
34
Ethical and Societal Issues
Privacy? What Privacy?
Consumer Arguments
Resent unsolicited mail and telephone calls
Resent being refused credit because of credit bureau
mistakes
Frightened by “dossier phenomenon”
Loss of control over information unfair—information
gathered for a particular purpose with permission
should remain restricted
35
Ethical and Societal Issues
Privacy? What Privacy?
Seven Commandments of Personal Data Collection
and Maintenance
Purpose. Companies should inform people who
provide information of specific, exclusive purpose.
Relevance. Companies should record and use only
data necessary to fulfill their own purposes.
Accuracy. Companies should ensure that their data
are accurate.
36
Ethical and Societal Issues
Privacy? What Privacy?
Currency. Companies should make sure that all data
about an individual are current.
Security. Companies should limit data access to only
those who need to know.
Time Limitation. Companies should retain data only
for the time period necessary.
Scrutiny. Companies should establish procedures to
let individuals review their records and correct
inaccuracies.
37
Ethical and Societal Issues
Privacy? What Privacy?