computer is the physical thing that you see and touch, it is also called hardware. while the computer system, it is the computer applications and programs that you use it is also called the software.
System software
A computer system which has been specifically designed for a particular function from within a larger computer system is what is called an embedded system.
The devices that make up a computer system are collectively called computer hardware. A complete computer system must however also have software.
because the system unit contains everthing that helps the computer to work
Standalone Operating System
That program is called the Operating System.
It is called a game console.
the main part of a computer system is called central processing unit or also known as CPU
It is called a game console.
The cpu
The "kernel".