What is system? Describe Characteristics of a System.

A system is a set of interrelated components which interact with each other to achieve some desired objective.

Characteristics of a system:

1. It has a definite purpose,objective or goal.
2. It tends to maintain itself in a steady state.
3. It has self correcting and self adjusting abilities.
4. It interacts with the environment through input from the environment and output to the environment.