Transcript Chapter 1 - Bond Wetherbe
Chapter 1 Foundations of Information Systems in Business
McGraw-Hill/Irwin Copyright © 2013 by The McGraw-Hill Companies, Inc. All rights reserved.
Learning Objectives
Understand the concept of a system and how it relates to information systems.
Explain why knowledge of information systems is important for business professionals, and identify five areas of information systems knowledge that they need.
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Learning Objectives
Give examples to illustrate how the business applications of information systems can support a firm’s business processes, managerial decision making, and strategies for competitive advantage.
Provide examples of several major types of information systems from your experiences with business organizations in the real world.
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Learning Objectives
Identify several challenges that a business manager might face in managing the successful and ethical development and use of information technology in a business.
Provide examples of the components of real world information systems. Illustrate that in an information system, people use hardware, software, data, and networks as resources to perform input, processing, output, storage, and control activities that transform data resources into information products.
Demonstrate familiarity with the myriad of career opportunities in information systems.
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Section 1 Foundation Concepts: Information Systems in Business
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I. The Real World of Information Systems
Information Systems are an essential field in the study of business administration and management.
IS and IT and Internet technologies play vital roles in business and improve the effectiveness and efficiency of business processes, managerial decision making, and workgroup collaboration.
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I. The Real World of Information Systems
What is an Information System? An IS may be computerized or not
Smoke signals for communication
Card catalogs in a library
Your book bag, day planner, notebooks, and file folders
The cash register at your favorite fast-food restaurant
A paper-based accounting ledger 1-7
I. The Real World of Information Systems
Framework of major areas:
Foundation Concepts – fundamental behavioral, technical, business, and managerial concepts about information systems Information Technologies – major concepts, developments, and management issues in IT
Business Applications – major uses of IS for operations, management, and competitive advantage Development Process – how an IS is planned, developed, and implemented to meet business opportunities Management Challenges – effectively and ethically managing IT at the end-user, enterprise, and global levels of a business 1-8
II. The Fundamental Roles of IS in Business
Support of Strategies for Competitive Advantage
Support of Business Decision Making
Support of Business Processes and Operations 1-9
Welch’s: Balancing Truckloads with Business Intelligence
How is Welch’s helping their customers?
Is this really helping the customer or just a gimmick to sell more product?
How is Welch’s helping themselves?
What is Welch’s using to come up with the information they need to make these changes?
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• III. Trends in Information Systems
1960’s
Electronic Data Processing (EDP)
Management Information Systems (MIS)
1970’s
Decision Support Systems (DSS)
1980’s
End User Computing
Executive Information Systems (EIS)
Enterprise Resource Planning (ERP) 1-11
III. Trends in Information Systems
1990’s
The Internet Intranets and extranets Global networks
2000’s
Business Intelligence (BI) – all applications and technologies focused on gathering and analyzing data/information for strategic business decisions
Internet-based/Web-enabled enterprises business – dramatically changed the capabilities of IS in Global e-business and e-commerce – now commonplace
IS is now solidly entrenched as a strategic resource in the modern organization 1-12
III. Trends in Information Systems 1-13
IV. The Role of e-Business in Business
E-Business – use of Internet technologies to empower business processes, e-commerce, and enterprise collaboration within a firm and its customers, suppliers, and stakeholders
Enterprise Collaboration Systems – support communication, coordination, and collaboration among networked teams/workgroups
E-Commerce – buying, selling, marketing, and servicing products, services, and information over computer networks 1-14
IV. The Role of e-Business in Business 1-15
V. Types of Information Systems
Operation Support Systems – help run the daily business, but do not provide much information for managerial decision-making
Transaction Processing Systems – record & process daily transactions
Process Control Systems - monitor and control physical processes
Enterprise Collaboration Systems (Office Automation Systems) – enhance team and workgroup communications and productivity 1-16
V. Types of Information Systems
Management Support Systems
Management Information Systems – reports and displays for managers to help them make better business decisions
Decision Support Systems – direct computer support for decision-making
Executive Information Systems – critical information specifically for executives to make better decisions; not just a better MIS 1-17
V. Types of Information Systems
Other Categories of Information Systems
Expert Systems – expert advice for operational decisions Knowledge Management Systems business knowledge – support creation, organization, and dissemination of Strategic Information Systems advantage – apply IT to products, services, and processes for strategic Functional Business Systems – support basic business functions Cross-Functional Systems – integrate various roles and outputs into a variety of functions 1-18
V. Types of Information Systems 1-19
VI. Managerial Challenges of Information Technology
Challenges and Opportunities
Business/IT Challenges
Business/IT Developments
Business/IT Goals
Success and Failure with IT
Effectiveness – does it work?
Efficiency – how well does it work?
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VI. Managerial Challenges of Information Technology 1-21
Responsibility and Accountability for Project Success (and Failure)
If a project involving IT fails, who gets blamed? Why? Who should be accountable?
If the project is successful, who gets credit?
How can you go about changing mindsets about these projects?
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VI. Managerial Challenges of Information Technology
Developing IS Solutions – an Information Systems is a Solution to a Business Problem
Investigate (Plan) – recognize the problem exists Analyze – investigate the current system Design – designing the new system Implement – put the new system into effect Maintain (Use) – use, monitor, and maintain the new system 1-23
Modernize (Don’t Replace!) Your Legacy Applications
What is a legacy system?
Why is it a problem?
What solutions are available?
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VI. Managerial Challenges of Information Technology
Challenges and Ethics of IT – what is improper, irresponsible, or harmful?
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Hannaford Bros.: The Importance of Securing Customer Data
What are the reasons Hannaford Bros. is being sued?
Besides the lawsuits, what other issues does the breach cause for the firm?
What responsibility does the firm have to its customers? To its stakeholders?
What Legal, Ethical, and Moral responsibilities are involved here? Are they the same?
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VI. Managerial Challenges of Information Technology
Challenges of IS and IT Careers – in business, if you are not in an IT career, you will work regularly with IS professionals
Employment opportunities in IS are strong Business Technologist – a professional competent in both business and IT U.S. Department of Labor – IS positions expected to be among fastest growing for years to come 1-27
The Critical Role of Business Analysts
What is the role of a business analyst?
Why is a business analyst important?
What skills should a business analyst bring to the firm?
Why are these skills important?
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VI. Managerial Challenges of Information Technology
The IS Function
IS is a major functional area of business, just as important as any business function
IS is an important contributor to operational efficiency, employee productivity and morale, and customer services and satisfaction
IS is an important strategic resource 1-29
Section 2 Foundation Concepts: The Components of Information Systems
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I. System Concepts: The Foundation for Business Processes
What Is a System?
Input – capture the data to be processed Processing – change the data into information Output – disseminate the information product to its destination
Feedback and Control
Feedback system – data about the performance of the
Control – monitoring the feedback to determine if the system is meeting its objectives 1-31
I. System Concepts: The Foundation for Business Processes 1-32
I. System Concepts: The Foundation for Business Processes
Other System Characteristics
Environment and Subsystems Interface – a shared boundary between systems Open (and Closed) Systems – open systems interact with other systems (closed systems do not interact with other systems) Adaptive Systems – have the ability to change themselves or their environment 1-33
II. Components of Information Systems 1-34
III. Information System Resources
People Resources
IS Specialists
End Users
Hardware Resources
Machines – the computing devices themselves
Media – where data is stored 1-35
Upgrade Your Legacy Systems in Three Steps
What are the three steps in upgrading?
What are the key issues in each step?
What are the benefits and challenges of each step?
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III. Information System Resources
Software Resources
Programs – instructions that tell the computer what to do
System Software – runs the computer
Application Software – a particular use by end users
Procedures – instructions on how to use the system 1-37
III. Information System Resources
Data Resources
Data – unorganized facts and figures Information – data organized so that it has value to the organization
Network Resources
Communications Media- the physical pathways over which signals travel Network Infrastructure – hardware, software, and data technologies needed to support communications networks 1-38
IV. Information System Activities
Input of Data Resources
Processing of Data into Information – organize, analyze, and manipulate data
Output of Information Products appropriate end users – dissemination of information products to
Storage of Data Resources
Control of System Resources – monitoring feedback to assure the system meets its performance standards 1-39
V. Recognizing Information Systems
People, Hardware, Software, Data, and Network Resources
Types of Information Products Used
Performance of Input, Processing, Output, Storage and Control Activities 1-40