what is cpu
CPU (Central Processing Unit) The CPU, also called the processor or microprocessor, is the most important component in a PC. The CPU receives data input by the user, processes â¦ information and executes commands. In a PC, the CPU is housed in a single chip called a microprocessor.he CPU (Central Processing Unit) is just what the name suggests. It is the main brain (do NOT use that term, it is nowhere near a brain) of your computer. All the managemen â¦ t tasks (registers, memory, graphics, etc.) rout through your CPU.