CHAPTER 7: TELECOMMUNICATIONS, THE INTERNET, AND WIRELESS TECHNOLOGY

Business Information Systems Overview

  • Types of Decisions and Decision-Making Process

    • Different types of decisions: strategic, tactical, operational
    • Importance of structured decision-making process
    • Stages: Intelligence, Design, Choice, Implementation, Review

  • Support for Managerial Activities

    • Role of information systems in decision-making
    • Tools and techniques for data analysis and reporting
    • Enhancements in efficiency and effectiveness in management

  • Business Intelligence and Analytics

    • BI tools for data aggregation, analysis, and visualization
    • Importance of predictive analytics in foresight and strategic planning
    • Differentiation between BI (descriptive) and BA (predictive)

  • Decision-Making Constituencies

    • Various constituencies: Executives, managers, employees
    • Usage of BI systems across different organizational levels

Telecommunications and Networking

  • Key Definitions

    • Telecommunications: Transmission of information over distances using electromagnetic signals
    • Involves multiple networks (telephone, TV, computer)

  • Networking Trends

    • Convergence: Integration of telephone and computer networks
    • Emphasis on broadband and wireless technologies, significance of high-speed access

  • What is a Computer Network?

    • Connection of two or more computers, facilitating communication
    • Key components: Client/Server architecture, Network Interfaces, Connection Medium
    • Software-defined Networking (SDN): Centralized management of network controls

  • Digital Networking Technologies

    • Client/Server Computing: Distributed model where clients interact with servers for resources
    • Packet Switching: Efficient transmission method by dividing data into packets
    • TCP/IP: Standard protocols governing internet communications and connectivity

  • Types of Networks

    • Local Area Networks (LAN): Small geographical area
    • Campus Area Networks (CAN), Metropolitan Area Networks (MAN), Wide Area Networks (WAN)

  • Transmission Media

    • Wired: Twisted pair, coaxial, fiber optics
    • Wireless: Satellite, cellular systems
    • Factors determining speed: Bandwidth, bits per second (bps)

The Internet

  • Internet Overview

    • The largest global network facilitated by Internet Service Providers (ISPs)
    • Types of connections: Dial-up, DSL, Cable, Fiber, Satellite

  • Internet Addressing and Protocols

    • Domain Name System (DNS) converting IP addresses for easier navigation
    • Importance of unique IP addresses for every device on the network

  • Future of the Internet

    • IPv6: Addresses the limitations of IPv4 with a new addressing scheme
    • Internet2: Focus on high-capacity networks for research and technological innovations

  • Internet Services Overview

    • Communication tools: E-mail, Chat, FTP, VoIP
    • Unified communications integrating voice and data transmissions

Wireless Technologies

  • Cellular Systems

    • Varieties: CDMA, GSM, with descriptions of 3G, 4G (LTE), and future 5G capabilities
    • Increasing use of mobile technologies and their applications

  • Wireless Computer Networks

    • Wi-Fi (802.11) and Bluetooth (802.15) for device connectivity
    • Elements of a wireless LAN and usage of access points

  • RFID and Wireless Sensor Networks

    • RFID: Automated item tracking via microchips
    • NFC: Short-range communication facilitating transactions
    • WSNs: Interconnected devices powering data collection for IoT applications

Conclusion

  • Emphasis on understanding core components of telecommunications and networking for successful information management.
  • Preparation for future technological innovations and their impact on business systems and decision-making strategies.