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Introduction to Information Systems

Introduction to Information Systems. Third Edition. Chapter 3. Information and Communications: Technologies: The Enterprise Architecture. Learning Objectives. Hardware components Software types Network types and protocols Enterprise architecture. Introduction.

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Introduction to Information Systems

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  1. Introduction to Information Systems Third Edition Chapter 3 Information and Communications: Technologies: The Enterprise Architecture

  2. Learning Objectives Hardware components Software types Network types and protocols Enterprise architecture

  3. Introduction Information and communications technology (ICT) Relevance for organizations

  4. Hardware

  5. Input Keyboard Mouse and touch screen Microphone

  6. Scanners and Sensors • Optical scanners and digital cameras • Radio frequency identification (RFID) • Environmental sensors

  7. Output Monitors and screens Printers and speakers Controllers

  8. Processing • Central processing unit (CPU) • Transistors • Moore’s Law

  9. Storage • Bytes • Temporary storage • Permanent storage • Business factors

  10. Types of Software • Application • System • Operating system • Utility

  11. How is Software Created? Programming languages Source code Object-oriented programming

  12. Development Strategies Commercial off-the-shelf (COTS) Software as a service (SaaS) Custom software development

  13. Open Source Criteria Success Motivation

  14. Networks Transmission media and protocols Wired media Wireless media

  15. Wired Media Twisted pair wires Coaxial cables Optical fiber

  16. Wireless Media (1:2) • Waves • Microwave transmission • Wifi and Bluetooth

  17. Wireless Media (2:2) Spectrum Last mile

  18. Types of Networks (1:2) • Local area network (LAN) • Packet switching • Voice over Internet Protocol (VoIP)

  19. Types of Networks (2:2) • Client server • Peer-to-peer

  20. Network Protocols Ethernet TCP/IP Wireless

  21. Enterprise Architecture

  22. Trends • Personal computers • Client server • Virtualization • Cloud computing

  23. Guiding the Architecture Enterprise architect Human element

  24. Summary Hardware components Software types Network types and protocols Enterprise architecture

  25. Google Glass Wearable technologies ‘Always On’ Risks and concerns from fashion to privacy

  26. Sprint Case Need to place infrastructure to achieve 4th generation (4G) services Challenges faced by Sprint

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