Question

mention the types of system

Answer 1

product system
service system
enterprise system
system of capability

Answer 2

$\mathbb{SYSTEM ; }$
it is the specific part of the universe under study it is isolated from rest of the universe by a definite boundary system in Thermodynamics sense is always macroscopic .

$\mathbb{OPEN\: SYSTEM :}$

An open system can exchange both matter and energy with the surroundings
example :
water in an open beaker.

$\mathbb{CLOSED\: SYSTEM:}$

A closed system cannot exchange matter with the surroundings but can exchange energy with the surroundings
example:
ice kept in an closed beaker is a closed system

$\mathbb{ISOLATED \:SYSTEM:}$

An isolated system can exchange neither matter nor energy with its surroundings it is a closed system that has neither mechanical or thermal contact with its surroundings .

The universe is an isolated system ""Universe"" we mean (system+surroundings ).

Example:
hot coffee in a thermos flask is an isolated system