Internal Hardware
GPU,CPU,RAM
Power supply
The most important parts to run the pc are:
The power supply-it is used to power all the things such as all the internal hardware.
It depends on what watts it runs at.
Motherboard
The Motherboard-this is the "mother" of the pc that is used to run everything inside the pc. This is the main chamber for everything inside the pc, if you didnt have this then your pc wont run. the motherboard powers everything in the pc such as the GPU,CPU,RAM,ROM,WINDOWS and the Graphics card
Graphics Card
The other important thing in a pc is its graphics card-the graphics card gives you the quality depending on what its got.if you didnt have a graphics card then nothing will display on good quality. These are mostly used for "gaming pcs" depending on the mb or gb of the graphics card