Alright here we go:
The whole working system of a Computer (commonly abbreviated 'PC')
Consists of many parts! Such parts include:
PSU (Power Supply Unit)
RAM
Motherboard
GPU/Graphics Card and/or Built-In Graphics in a CPU
CPU
Storage
And lastly, a Operating System/OS
All of these objects work together to have a smooth working Computer that can do a whole heap of objectives! Sometimes even hard-core rendering. A CPU I would suggest would be a ThreadRipper, one of the best CPU's in the world!
Other very good parts of a PC would be the world's best Mining GPU: The A100, also very rare starting at a price of 100,000 dollars!
But of course, a good computer can still run without those!