MIS Chapter 5: IT Infrastructure and Emerging Technologies
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Questions and Answers

What are the components of IT infrastructure?

  • Networking/telecommunications platforms (correct)
  • Data management and storage (correct)
  • Computer hardware platforms (correct)
  • Enterprise software applications (correct)
  • Operating system platforms (correct)
  • Define IT Infrastructure.

    IT Infrastructure is the set of physical devices and software required to operate an enterprise, including firm-wide services such as computing platforms, physical facilities management services, and IT management services.

    What are the current trends in computer hardware platforms?

  • Cloud computing (correct)
  • Green computing (correct)
  • Mobile digital platform (correct)
  • Quantum computing (correct)
  • Virtualization (correct)
  • Give examples of Linux and open-source software mentioned in the text.

    <p>Examples include Apache web server, Mozilla Firefox browser, OpenOffice, Linux</p> Signup and view all the answers

    What is SOA an abbreviation for?

    <p>Service-Oriented Architecture</p> Signup and view all the answers

    In governance, a centralized IT department makes decisions.

    <p>True</p> Signup and view all the answers

    Under-investment and over-investment can hamper firm performance. Rent-versus-buy and _______ are factors to consider.

    <p>outsourcing</p> Signup and view all the answers

    Match the following software platforms with their primary usage:

    <p>Java Virtual Machine = Web browsers Ruby and Python = Software for the web XML: Extensible Markup Language = Web services</p> Signup and view all the answers

    Study Notes

    IT Infrastructure and Emerging Technologies

    Defining IT Infrastructure

    • Set of physical devices and software required to operate an enterprise
    • Firm-wide services including computing platforms, physical facilities management, IT management, education, and other services
    • "Service platform" perspective: a more accurate view of the value of investments

    Evolution of IT Infrastructure

    • General-purpose mainframe and minicomputer era: 1959 to present
    • Personal computer era: 1981 to present
    • Client/server era: 1983 to present
    • Enterprise computing era: 1992 to present
    • Cloud and mobile computing: 2000 to present

    Technology Drivers of Infrastructure Evolution

    • Moore's Law and microprocessing power: computing power doubles every 2 years
    • Law of Mass Digital Storage: amount of data being stored each year doubles
    • Metcalfe's Law and network economics: value or power of a network grows exponentially as a function of the number of network members

    Components of IT Infrastructure

    • Computer hardware platforms
    • Operating system platforms
    • Enterprise software applications
    • Data management and storage
    • Networking/telecommunications platforms
    • Internet platforms
    • Consulting system integration services

    Computer Hardware Platforms

    • Client machines: desktop PCs, laptops, mobile devices, and wearable devices
    • Servers: mainframes, digital workhorse for banking and telecommunications networks

    Operating System Platforms

    • Corporate servers: Windows Server, Unix, Linux
    • Client level: Microsoft Windows, Android, iOS, Windows 10 (mobile/multitouch), Google's Chrome OS (cloud computing)

    Enterprise Software Applications

    • In 2018, firms spent $389 billion on software for enterprise applications
    • Largest providers: SAP and Oracle
    • Middleware providers: IBM, Oracle

    Data Management and Storage

    • Database software providers: IBM (DB2), Oracle, Microsoft (SQL Server), Sybase (Adaptive Server Enterprise), MySQL, Apache Hadoop
    • Physical data storage for large-scale systems: Dell EMC, Hewlett Packard Enterprise (H3C)

    Networking/Telecommunications Platforms

    • Network operating systems: Windows Server, Linux, Unix
    • Network hardware providers: Cisco, Juniper Networks
    • Telecommunication services: phone lines, Internet access, AT&T, Verizon

    Internet Platforms

    • Hardware, software, management services to support company websites, intranets
    • Internet hardware server market: IBM, Dell, Oracle, HP
    • Web development tools/suites: Microsoft (Visual Studio and .NET), Oracle-Sun (Java), Adobe

    Consulting and System Integration Services

    • Leading consulting firms: Accenture, IBM Global Services, HP, Infosys, Wipro Technologies
    • Software integration: ensuring new infrastructure works with legacy systems
    • Legacy systems: older TPS created for mainframes that would be too costly to replace or redesign
    • Mobile digital platform: smartphones, netbooks, tablet computers, digital e-book readers, wearable devices
    • Consumerization of IT and BYOD (bring your own device)
    • Quantum computing: uses quantum physics to represent and operate on data
    • Virtualization: allows single physical resource to act as multiple resources
    • Cloud computing: on-demand computing services obtained over network
    • Edge computing: servers at the edge of the Internet, reducing latency and network traffic
    • Green computing (Green IT): practices and technologies for manufacturing, using, disposing of computing and networking hardware

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    Description

    This quiz covers the basics of IT infrastructure and emerging technologies in the context of Management Information Systems (MIS). It is based on Chapter 5 of the 16th edition of the textbook 'Managing the Digital Firm'.

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