Hi There!
So, to help explain what a computer system or help gain an understanding, I am going to use a analogy. What I mean by that is how a computer system may be compared to a automobile.
An automobile is made up of a variety of pieces, including an engine, gearbox, axles, wheels, a battery, gears, and other electronics. The components are all interconnected within a frame and function as a whole to enable the car to travel down a road. There is also a driver. By interacting with or physically directing the steering wheel to do certain actions, such as driving straight ahead, turning left, or turning right, the driver controls the vehicle.
The computer system is like a car in that it merely consists of many pieces. The hardware consists of a CPU, memory cards, storage, and other electrical components. The hardware is arranged in a frame and interconnected so that the user may command the computer to do particular tasks. The user and the computer system must interface or communicate. The computer system features a keyboard and mouse instead of a steering wheel, which enables the user to interact with or direct the computer to do activities like opening a file, creating a document, or printing a page.
This comparison should help you understand what a computer system better.
Cheers!
ROR