Defining Systems

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A start for understanding structured systems analysis

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Defining Systems

  1. 1. Defining Systems An Introduction to Systems Analysis
  2. 2. Examples of Systems • A set of correlated members: a system of currency. • A coordinated body of methods or a scheme or plan of procedure: a system of government. • A combination of things or parts forming a complex or unitary whole: a system of railways.
  3. 3. Computing System A system of interconnected computers that share a central storage system and various peripheral devices such as a printers, scanners, or routers. Each computer connected to the system can operate independently, but has the ability to communicate with other external devices and computers. T -IN T NE A RP A T NE ER
  4. 4. Information Management System Any combination of information and communication technologies and people's activities using those technologies that support the operations and management of an organisation
  5. 5. Systems Thinking Systems thinking is the process of understanding how things influence one another within a whole
  6. 6. Systems Analysis The study of an activity or procedure to determine the desired end and the most efficient method of obtaining this end
  7. 7. Structured Systems Analysis and Design Method Structured Systems Analysis and Design Method (SSADM) is a systems approach to the analysis and design of information systems. SSADM was produced for the Central Computer and Telecommunications Agency a UK government office concerned with the use of technology in government, from 1980 onwards.
  8. 8. The Concept of the Logical Equivalent http://www.youtube.com/watch?v=01mzw7UCCMA "Whereas logical information resources will remain relatively static, the physical resources will change dynamically." Bryce's Law

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