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Fundamentals of Information Systems
Fourth Edition
Chapter 1
An Introduction to Information Systems in Organizations
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Fundamentals of Information Systems, Fourth Edition 2
Principles and Learning Objectives
• The value of information is directly linked to how it helps decision makers achieve the organization’s goals– Distinguish data from information and describe the
characteristics used to evaluate the quality of data
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Fundamentals of Information Systems, Fourth Edition 3
Principles and Learning Objectives (continued)
• System users, business managers, and information systems professionals must work together to build a successful information system– Identify the major steps of the systems development
process and state the goal of each
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Fundamentals of Information Systems, Fourth Edition 4
Principles and Learning Objectives (continued)
• Knowing the potential impact of information systems and having the ability to put this knowledge to work can result in a successful personal career, organizations that reach their goals, and a society with a higher quality of life– Identify the basic types of business information
systems and discuss who uses them, how they are used, and what kinds of benefits they deliver
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Fundamentals of Information Systems, Fourth Edition 5
Principles and Learning Objectives (continued)
• The use of information systems to add value to the organization can also give an organization a competitive advantage– Identify the value-added processes in the supply
chain and describe the role of information systems within them
– Identify some of the strategies employed to lower costs or improve service
– Define the term competitive advantage and discuss how organizations are using information systems to gain such an advantage
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Fundamentals of Information Systems, Fourth Edition 6
Principles and Learning Objectives (continued)
• Information systems personnel are the key to unlocking the potential of any new or modified system– Define the types of roles, functions, and careers
available in information systems
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Fundamentals of Information Systems, Fourth Edition 7
Why Learn About Information Systems in Organizations?
• Information systems (ISs) can cut costs and increase profits
• Students in most fields need to know ISs– Management major might be hired to design a
system to improve productivity– Biochemistry major might be hired to conduct drug
research using computer techniques
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Fundamentals of Information Systems, Fourth Edition 8
Introduction
• Information system (IS)– Set of interrelated components: collect, manipulate,
store, and disseminate data and information– Provides feedback to meet an objective– Examples: ATMs, airline reservation systems,
course reservation systems
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Fundamentals of Information Systems, Fourth Edition 9
Information Concepts: Data, Information, and Knowledge
• Data: raw facts– Alphanumeric, image, audio, and video
• Information: collection of facts organized in such a way that they have additional value beyond the value of the facts themselves
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Fundamentals of Information Systems, Fourth Edition 10
Data, Information, and Knowledge (continued)
Table 1.1: Types of Data
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Fundamentals of Information Systems, Fourth Edition 11
Figure 1.1: Defining and Organizing Relationships Among Data Creates
Information
Data, Information, and Knowledge(continued)
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Fundamentals of Information Systems, Fourth Edition 12
Figure 1.2: The Process of Transforming Data into Information
Data, Information, and Knowledge (continued)
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Fundamentals of Information Systems, Fourth Edition 13
The Characteristics of Valuable Information
Table 1.2: Characteristics of Valuable Information
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Fundamentals of Information Systems, Fourth Edition 14
The Characteristics of Valuable Information (continued)
Table 1.2: Characteristics of Valuable Information (continued)
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Fundamentals of Information Systems, Fourth Edition 15
The Value of Information
• Value of information is directly linked to how it helps decision makers achieve their organization’s goals
• For example, value of information might be measured in:– Time required to make a decision– Increased profits to the company
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Fundamentals of Information Systems, Fourth Edition 16
What Is an Information System?
Figure 1.3: The Components of an Information System
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Fundamentals of Information Systems, Fourth Edition 17
Input, Processing, Output, Feedback
• Input: the activity of gathering and capturing raw data
• Processing: converting or transforming data into useful outputs
• Output: production of useful information, usually in the form of documents and reports
• Feedback: output that is used to make changes to input or processing activities
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Fundamentals of Information Systems, Fourth Edition 18
Manual and Computerized Information Systems
• An information system can be:– Manual
• Example: developing patterns and trends on graph paper for stock analysis
– Computerized• Example: using program trading to track the market
and trade large blocks of stocks when discrepancies occur
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Fundamentals of Information Systems, Fourth Edition 19
Computer-Based Information Systems
• Computer-based information system (CBIS): single set of hardware, software, databases, telecommunications, people, and procedures configured to collect, manipulate, store, and process data into information
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Fundamentals of Information Systems, Fourth Edition 20
Computer-Based Information Systems (continued)
Figure 1.4: The Components of a Computer-Based Information System
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Fundamentals of Information Systems, Fourth Edition 21
Computer-Based Information Systems (continued)
• CBIS components– Hardware: computer equipment used to perform
input, processing, and output activities– Software: computer programs that govern the
operation of the computer– Database: organized collection of facts and
information– Telecommunications: electronic transmission of
signals for communications– Networks: connect computers and equipment in a
building, around the country, and around the world
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Fundamentals of Information Systems, Fourth Edition 22
Computer-Based Information Systems (continued)
• CBIS components (continued)– Internet: world’s largest computer network– People: manage, run, program, and maintain the
system– Procedures: strategies, policies, methods, and rules
for using a CBIS
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Fundamentals of Information Systems, Fourth Edition 23
Business Information Systems
• Most common types of information systems used in business organizations– Electronic and mobile commerce systems– Transaction processing systems– Management information systems– Decision support systems– Specialized business information systems
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Fundamentals of Information Systems, Fourth Edition 24
Business Information Systems (continued)
Figure 1.5: Business Information Systems
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Fundamentals of Information Systems, Fourth Edition 25
Electronic and Mobile Commerce
• E-commerce: any business transaction executed electronically between parties– Companies (B2B)– Companies and consumers (B2C)– Consumers and other consumers (C2C)– Companies and the public sector– Consumers and the public sector
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Fundamentals of Information Systems, Fourth Edition 26
Electronic and Mobile Commerce (continued)
Figure 1.8: Electronic Business
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Fundamentals of Information Systems, Fourth Edition 27
Enterprise Systems: Transaction Processing Systems and Enterprise
Resource Planning
• Transaction: business-related exchange– Payments to employees– Sales to customers– Payments to suppliers
• Transaction processing system (TPS): organized collection of people, procedures, software, databases, and devices used to record completed business transactions
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Fundamentals of Information Systems, Fourth Edition 28
Transaction Processing Systems (continued)
Figure 1.9: A Payroll Transaction Processing System
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Fundamentals of Information Systems, Fourth Edition 29
Enterprise Resource Planning
• Integrated programs capable of managing a company’s vital business operations for an entire multisite organization
• Coordinate planning, inventory control, production, and ordering
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Fundamentals of Information Systems, Fourth Edition 30
Information and Decision Support Systems
• An effective TPS provides a number of benefits to a company
• A TPS can speed business activities and reduce clerical costs
• Data stored in TPSs is used to help managers make better decisions
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Fundamentals of Information Systems, Fourth Edition 31
Management Information Systems
• Management information system (MIS)– Organized collection of people, procedures,
software, databases, and devices– Provides routine information to managers/decision
makers
• Primary focus is operational efficiency
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Fundamentals of Information Systems, Fourth Edition 32
Management Information Systems (continued)
Figure 1.10: Management Information System
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Fundamentals of Information Systems, Fourth Edition 33
Decision Support Systems
• Decision support system (DSS)– Organized collection of people, procedures,
software, databases, and devices– Supports problem-specific decision making
• Focus is on decision-making effectiveness
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Fundamentals of Information Systems, Fourth Edition 34
Decision Support Systems (continued)
Figure 1.11: Essential DSS Elements
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Fundamentals of Information Systems, Fourth Edition 35
Specialized Business Information Systems: Knowledge Management,
Artificial Intelligence, Expert Systems, and Virtual Reality
• Knowledge management systems (KMSs): an organized collection of people, procedures, software, databases, and devices to create, store, share, and use the organization’s knowledge and experience
• Artificial intelligence (AI): field in which the computer system takes on the characteristics of human intelligence
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Fundamentals of Information Systems, Fourth Edition 36
Artificial Intelligence
Figure 1.12: The Major Elements of Artificial Intelligence
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Fundamentals of Information Systems, Fourth Edition 37
Expert Systems
• Give the computer the ability to make suggestions and act like an expert in a particular field
• Allow organizations to capture and use the wisdom of experts and specialists
• The knowledge base contains the collection of data, rules, procedures, and relationships that must be followed to achieve value or the proper outcome
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Fundamentals of Information Systems, Fourth Edition 38
Virtual Reality
• Simulation of a real or imagined environment that can be experienced visually in three dimensions
• Immersive virtual reality
• Applications that are not fully immersive
• Can be a powerful medium for communication, entertainment, and learning
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Fundamentals of Information Systems, Fourth Edition 39
Systems Development
• Systems development: creating or modifying existing business systems
• Systems development can be:– Performed in-house– Outsourced
• To improve results of a systems development project, it is divided into several steps
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Fundamentals of Information Systems, Fourth Edition 40
Systems Development (continued)
Figure 1.14: An Overview of Systems Development
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Fundamentals of Information Systems, Fourth Edition 41
Systems Investigation and Analysis
• Systems investigation: gain understanding of the problem to be solved or opportunity to be addressed
• Systems analysis: defines problems and opportunities of the existing system
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Fundamentals of Information Systems, Fourth Edition 42
Systems Design, Implementation, Maintenance, and Review
• Systems design: how the new system will work to meet the business needs defined during systems analysis
• Systems implementation: creating or acquiring the various system components defined in the design step, assembling them, and putting the new system into operation
• Systems maintenance and review: check and modify the system so that it continues to meet changing business needs
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Fundamentals of Information Systems, Fourth Edition 43
Organizations and Information Systems
• Organization: collection of people and other resources established to accomplish a set of goals
• An organization is a system– Inputs: resources (materials, people, money)– Outputs: goods or services
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Fundamentals of Information Systems, Fourth Edition 44
Organizations and Information Systems (continued)
Figure 1.15: A General Model of an Organization
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Fundamentals of Information Systems, Fourth Edition 45
Organizations and Information Systems (continued)
• Value chain: series (chain) of activities that includes inbound logistics, warehouse and storage, production, finished product storage, outbound logistics, marketing and sales, and customer service
• Upstream management: management of raw materials, inbound logistics, and warehouse and storage facilities
• Downstream management: management of finished product storage, outbound logistics, marketing and sales, and customer service
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Fundamentals of Information Systems, Fourth Edition 46
Organizations and Information Systems (continued)
Figure 1.16: The Value Chain of a Manufacturing Company
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Fundamentals of Information Systems, Fourth Edition 47
Organizations and Information Systems (continued)
• Supply chain management (SCM)– Determines required supplies, needed quantities,
processing, and shipment
• Customer relationship management (CRM)– Helps company manage all aspects of customer
encounters, including marketing, advertisement, sales, service, and maintaining loyalty
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Fundamentals of Information Systems, Fourth Edition 48
Organizational Culture and Change
• Organizational culture– Major understandings and assumptions– Influences information systems
• Organizational change– How organizations plan for, implement, and handle
change– Can be sustaining or disruptive
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Fundamentals of Information Systems, Fourth Edition 49
User Satisfaction and Technology Acceptance
• Technology Acceptance Model (TAM): specifies factors that can lead to higher acceptance and usage of technology
• Technology diffusion: measure of widespread use of technology
• Technology infusion: extent to which technology permeates a department
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Fundamentals of Information Systems, Fourth Edition 50
User Satisfaction and Technology Acceptance (continued)
• Competitive advantage: significant, long-term benefit to a company over its competition– Ability to establish and maintain a competitive
advantage is vital to the company’s success
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Fundamentals of Information Systems, Fourth Edition 51
Factors That Lead Firms to Seek Competitive Advantage
• Five-forces model identifies key factors– Rivalry among existing competitors– Threat of new entrants– Threat of substitute products and services– Bargaining power of buyers– Bargaining power of suppliers
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Fundamentals of Information Systems, Fourth Edition 52
Strategic Planning for Competitive Advantage
• Cost leadership– Deliver the lowest possible products and services
• Differentiation– Deliver different products and services
• Niche strategy– Deliver to a small, niche market
• Altering the industry structure– Change the industry to become more favorable to
organization
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Fundamentals of Information Systems, Fourth Edition 53
Strategic Planning for Competitive Advantage (continued)
• Creating new products and services– Introduce periodically or frequently
• Improving existing product lines and service– Make real or perceived improvements
• Other strategies– Growth in sales– First to market– Customizing products and services– Hiring the best people
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Fundamentals of Information Systems, Fourth Edition 54
Performance-Based Information Systems
• Considers both strategic advantage and costs
• Uses productivity, return on investment (ROI), net present value, and other measures of performance
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Fundamentals of Information Systems, Fourth Edition 55
Performance-Based Information Systems (continued)
Figure 1.18: Three Stages in the Business Use of Information Systems
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Fundamentals of Information Systems, Fourth Edition 56
Productivity
• Output achieved divided by input required
• Higher level of output for a given level of input means greater productivity
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Fundamentals of Information Systems, Fourth Edition 57
Return on Investment and the Value of Information Systems
• Earnings growth– Increase in profits
• Market share– Percentage of sales in relation to total market
• Customer awareness and satisfaction– Based on feedback from internal and external users
• Total cost of ownership– Measurement of total cost of owning computer
equipment
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Fundamentals of Information Systems, Fourth Edition 58
Risk
• Managers must consider the risks of designing, developing, and implementing new or modified information systems
• Information system may be a failure
• Costs of development and implementation can be greater than the returns from the new system
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Fundamentals of Information Systems, Fourth Edition 59
Careers In Information Systems
• Degree programs– Degrees in information systems– Business degrees with a global or international
orientation
• Computer systems are making IS professionals’ work easier
• Opportunities in information systems are not confined to single countries
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Fundamentals of Information Systems, Fourth Edition 60
Roles, Functions, and Careers in the IS Department
• Primary responsibilities in information systems– Operations: focuses on the efficiency of IS
functions– Systems development: focuses on development
projects and ongoing maintenance and review– Support: provides user assistance, data
administration, user training, and Web administration
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Roles, Functions, and Careers in the IS Department (continued)
Figure 1.19: The Three Primary Responsibilities of Information Systems
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Typical IS Titles and Functions
• Chief Information Officer (CIO)– Employs IS department’s equipment and personnel to
help the organization attain its goals
• LAN administrators– Set up and manage the network hardware, software,
and security processes
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Typical IS Titles and Functions (continued)
• Internet careers– Internet strategists and administrators– Internet systems developers– Internet programmers– Internet or Web site operators
• Certification– Examples: Microsoft Certified Systems Engineer,
Certified Information Systems Security Professional (CISSP), and Oracle Certified Professional
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Other IS Careers
• New and exciting careers have developed in security and fraud detection and prevention– Chief Information Security Officer– Chief Security Officer– Chief Privacy Officer
• Working for a large consulting firm such as Accenture, IBM, and EDS
• Developing or selling products for a hardware or software vendor
• Video game de velopment
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Global Challenges in Information Systems
• Cultural challenges
• Language challenges
• Time and distance challenges
• Infrastructure challenges
• Currency challenges
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Global Challenges in Information Systems (continued)
• Product and service challenges
• Technology transfer issues
• State, regional, and national laws
• Trade agreements
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Summary• Data: raw facts
• Information: organized collection of facts; has additional value beyond the value of facts themselves
• System components: input, processing, output, and feedback
• Computer-based information system (CBIS)– Single set of hardware, software, databases,
telecommunications, people, and procedures– Collect, manipulate, store, and process data into
information
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Summary (continued)
• Transaction processing system (TPS): organized collection of people, procedures, software, databases, and devices used to record completed business transactions
• Management information system (MIS): organized collection of people, procedures, software, databases, and devices used to provide routine information to managers and decision makers
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Summary (continued)
• Knowledge management system (KMS): an organized collection of people, procedures, software, databases, and devices to create, store, share, and use the organization’s knowledge and experience
• Artificial intelligence (AI): field in which the computer system takes on the characteristics of human intelligence
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Summary (continued)
• Decision support system (DSS): organized collection of people, procedures, software, databases, and devices used to support problem-specific decision making
• Systems development: creating or modifying existing business systems
• Competitive advantage: significant, long-term benefit to a company over its competition
• Primary responsibilities in information systems: operations, systems development, and support