What is a model, a system and a cycle ? Flashcards
Stores/components
Elements being stored in the system
Outputs
Elements leaving the system
Inputs
Elements entering the system
Boundary
The edge of a system
Attributes
Characteristics of the elements that may be perceived and measured
Positive feedback
When the effects of an action are amplified by other knock-on effects
Negative feedback
When the effects of an action are nullified by its knock-on effects
Flows/transfers
Elements moving around the system
Dynamic equilibrium
There is a balance between both inputs and outputs
Relationships
Associations that occur between elements and attributes
Closed system
When there are no inputs or outputs
Open system
When there are both inputs and outputs
Elements
The parts or substance that make up the system
Model
A way to simplify or representing a complex reality.
System
Helps to explain relationships within a unit. Consists of a number of components which are linked together.
