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      • 01 – Current Trends in Networking
        • 01 – Voice over Internet Protocol
          • 01 – VOIP standards
      • 02 – Understanding Systems
        • 01- Systems Concepts
          • 01 – System Definitions
          • 02 – Types of Systems
          • 03 – Systems Concepts
          • 04 – Analysis of a System
        • 02 – Modelling our environment…
          • 01 – Models
          • 02 – Types of Models
          • 03 – Engineering Development Modelling
        • 03 – Hard and Soft Systems & the IS context
          • 01 – Hard Systems
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          • 04 – Systems Analysis; a second look
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        • 01 – Management of Human Resources
          • 01 – Introduction
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          • 03 – Indirect Resources
        • 02 – Management of Technology
          • 01 – Management of Infrastructure
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          • 03 – IT Managers Role in Strategic Planning
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          • 01 – Budgets
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          • 03 – Management Support Tools
      • 04 – Research Skills
        • 01 – Introduction to Research
          • 01 – What is “Research”?
          • 02 – Literature Review
            • 01 – What is an Academic Paper?
            • 02 – Other Sources of Information
            • 03 – Referencing
            • 04 – How to write a Literature Review
        • 03 – Ethics
          • 01 – Ethics
          • 02 – Ethics in Computing
      • 05 – Online Business Systems
        • 01 – Development Methodologies, Usability and Accessibility
          • 01 – Interface Design
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        • 02 – Static Website Development
          • 01 – Introduction to Adobe Photoshop
          • 02 – Introduction to DreamWeaver and Cascading Style Sheets

sub-system

Hierarchy

Posted on October 26, 2015 by John

Hierarchy determines the graded levels of systems and sub-systems. Need to decide how many levels of hierarchy to analyse: too few results in any overly simplistic analysis resulting in interconnections and complexity being misunderstood too many results in any overly complicated analysis resulting in too much detail obscuring key interconnections Continue Reading

Posted In 03 - Systems ConceptsTagged In Boundary, hierarchy, sub-system, system

Environment and sub-system

Posted on October 26, 2015 by John

Environment is context in which system operates and is major influence on system behaviour. System receives inputs from and provides outputs to environment. Systems change overtime. “What does the system interact with?” – no absolute answer. Depends on perspective taken. The same applies to the boundary too. Stakeholders have one Continue Reading

Posted In 03 - Systems ConceptsTagged In environment, sub-system, system purpose

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