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Unformatted text preview: COM 250: Spring 2009 Quiz 2 Study Guide (Part 1) Systems Approaches: Chapter 4 1. How is the systems or organism metaphor different from the machine metaphor? Systems metaphor is- a complex organism that must interact with their environment to survive. Originated in biology and engineering. Key founder Ludwig von Bertalanffy. Components cells and organs=people and departments that makeup organization. OPEN systems Machine metaphor is parts with functions 2. Be able to identify and explain the following systems concepts: Hierarchical ordering system components are arranged in highly complex ways that involve subsystems and supersystems. It means that when we look at any sytem we can see how that system is made up of smaller subsystems and is embedded within larger systems. Example: hospital has subsystems or departments, supersystem is health care industry. Interdependence this notion implies that the functioning of one component of a system relies on other components of the system. Organizations are highly interdependent. Global economy. Example hospitals rely on laboratories and they rely on purchasing for supplies. Change happens in one area affects other areas of system Permeability boundaries that allow information and materials to flow in and out of org. Flexible. Input-output-throughput processes basic level, a system inputs materials or info from the environment through it permeable boundaries. The system then works on these inputs with some kind of transformational process or throughput. Finally, system returns the transformed output to the environment. Two kinds of processes = exchange and feedback (throughput, which involves the interdependent components of a system acting together) Negative feedback corrective or deviating reducing feedback. Helps maintain a steady state or get back to it. Example: waiter giving out wrong info, supervisor corrects him. Positive feedback we use to amplify deviations or changes for growth. SYSTEM PROPERTIES Holism suggest that a system is more than the sum of its parts. Systems have this property because of the interdependent nature of their components and the info that flows through the processes of feedback and exchange. Equifinality more than one way to reach goal Negative entropy open systems===ability to sustain themselves and grow. It is possible for possible because of the flow of info and material between the environment and the system. Enthropy=refers to closed systems tendency to run down/deteriorate....
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- Spring '09