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The Universal Systems Model
A set of related parts. When the parts are put together, they form a whole, designed to accomplish a goal.
System
Is any group of interrelated parts designed collectively to achieve a desired goal.
Sub-System
Smaller systems within a larger system, all of which work together to achieve a goal.
Input
Elements that flow into the system and are consumed or processed in the system.
Process
Steps needed to complete a task.
Output
The product of a system. Desired/Undesired, and/or Expected/Unexpected.
Feedback
Information about the output of a system used to close the loop from output to input.
Open-Loop
FEEDBACK- System has no way of adjusting to changing conditions. IE: Light Switch.
Closed-Loop
FEEDBACK- System can change under different conditions. IE: AC/Heat Thermostat.
List the Inputs of a System
People, Materials, Capital or Money, Time, Equipment, Information, & Energy.
