lead black slide powered by desiamore1. 2 chapter 1 information systems in business
TRANSCRIPT
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Lead Black Slide
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Chapter 1
Information Systems in Business
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Our Agenda Basic Information Systems
Concepts Types of Information Systems Information Systems Users Connecting Users to Information
Technology Benefits of Information Systems An Approach to the Study of
Information Systems
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Learning Objectives Explain what an information
system is and describe the functions of an information system.
Identify the components of an information system.
Explain the difference between data and information.
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Learning Objectives (cont’d.) List several types of information
systems and give an example of each type.
Explain who information systems users are and describe how users use information systems.
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Learning Objectives (cont’d.) Explain what ethics are and why it
is important to use information systems ethically.
Describe how users are connected to information technology locally, nationally, and internationally.
Describe several benefits of information systems.
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Basic Information System Concepts
Information Systems in Business
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What is an Information System? An Information System is a collection of
components that work together to provide information to help in the operations and management of an organization.
Information Technology is the integration of computers, communications equipment, and other technology used in information systems.
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Components of an Information System? Components
Hardware - Equipment such as computers
Software - Instructions for the equipment
Stored Data - Facts stored in the system
Personnel - People who operate the system
Procedures for the people to follow
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Examples of Information Systems An inventory control system An order entry system A production scheduling system
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Information Systems Functions
Input Function accepts the input data from outside the system.
Storage Function retains input data and retrieves stored data.
Processing Function calculates and in other ways manipulates the input and stored data.
Output Function produces results of processing for use outside the system.
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Data versus Information Data is a representation of a fact, a
number, a word, an image, a picture or a sound.
Information is data that is meaningful or useful to someone.
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Types of Information Systems
Information Systems in Business
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Types of Information Systems Personal information systems
Word Processing Spreadsheet or financial analysis Database Graphics or presentation software
Workgroup information systems Electronic mail (e-mail) Local area network (LAN)
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Types of Information Systems (cont’d.) Organizational information
systems Mainframe computers Wide area network (WAN)
Interorganizational information systems Electronic Data Interchange (EDI) Electronic Funds Transfer (EFT)
Global information systems Production scheduling system
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Information Systems Users
Information Systems in Business
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How Users Use Information Systems Users may use an information system
directly by pressing keys on a computer keyboard or by operating a piece of equipment that sends input data to a computer.
A user may use an information system indirectly by having someone else enter the data and receive the output which is then given to the user.
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Ethical Use of Information Systems Ethics has to do with the standards
of behavior that people follow: what is right and what is wrong.
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Ethical Use of Information Systems (cont’d.) Ethical use of information systems
involves: Confidentiality of information Copying of software Use of someone else’s computer Ownership of information
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Connecting Users to Information Technology
Information Systems in Business
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Networks A network is a collection of computers
and related equipment connected using communications equipment so that they can communicate with each other.
Local Area Networks (LAN) cover a small area such as a building.
Wide Area Networks (WAN) cover a large area such as a city, region, country or several countries.
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The Internet and the World Wide Web (WWW) The Internet is a worldwide
collection of interconnected networks.
The World Wide Web (WWW) is a service on the Internet that links information stored on different computers.
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Electronic Commerce(E-Commerce) E-Commerce allows businesses
and individuals to use networks, including the Internet, to promote and sell products and services.
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Benefits of Information Systems
Information Systems in Business
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Benefits of Information Systems Better information Improved service Increased productivity Competitive advantage
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An Approach to the Study of Information Systems
Information Systems in Business
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Part 1 Chapter 2 explains what a business
does. Chapter 3 discusses the
components of an information system.
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Part 2 Part 2 explains the technology
used in information systems, including hardware and software; how computers are interconnected in networks; and how data is organized for storage and processing in information systems.
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Part 3 and Part 4 Part 3 examines common types of
information systems used in business, with examples.
Part 4 examines the development and management of information systems.
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Information Systems in Business
Key Terms
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Key Terms Computer Application Computer Information System (CIS) Data Electronic Commerce Electronic Data Interchange (EDI) Electronic Funds Transfer (EFT)
Electronic Mail (e-mail) Ethics Global (International) Information System Hardware Individual (Personal) Information System Information Information System (IS)
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Key Terms (cont’d.) Information Technology (IT) Input Data Input Function Internet Interorganizational Information System Network
Organizational (Enterprise) Information System Output Data Output Function Personnel Procedures Processing Function
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Key Terms (cont’d.) Software Storage Function Stored Data User (End User) Workgroup (Group) Information System World Wide Web (WWW)
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Summary Basic Information Systems
Concepts Types of Information Systems Information Systems Users Connecting Users to Information
Technology Benefits of Information Systems An Approach to the Study of
Information Systems
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Final Black Slide