Introduction

  • A system is derived from the Greek word Systema”, which means an organized relationship between its different components.
  • A system is an orderly grouping of interdependent components linked together according to a plan to achieve some specific goal or any tasks.
  • Here components may refer to any physical parts like engine, aircraft wings; managerial steps like planning, organizing, controlling, directing, etc.; or a subsystem in a multi-level structure.
  • These components may be complex, simple, or advanced.

System Inputs/Outputs

A system always interacts with the rest or other systems with input and outputs.

The output of one system becomes the input for other systems.

Read More: Basic Terms in Thermodynamics

Definition of Basic Terms

Inputs

In order to do some task, a system must be fed with certain information or elements from outside which is called inputs.

Outputs

 It is the response of the system after processing of the inputs.

Environment

 Things around the system are referred to as the environment.

Boundary

 It is the physical or imaginary line that divides or separates the system from the environment.

Sub-system

A subsystem is a set of elements, which is a system itself, and a component of a larger system.

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