Supercomputers play a vital role in scientific discoveries — from helping us forecast climate change to discovering new drugs. We've rounded up the top fastest on the planet right now.

The Central Processing Unit (CPU), also known as CPU, is the main processing chip of a computer. This chip processes the information that the various components in the computer pass to it.

All programs and data processing are run in the CPU and all hardware components are, to some extent, controlled by it.