By Alice Johnson!
A CPU-Processor or central processing unit, is the hardware inside a computer that carries out the instructions of the computer program. A computer or PC can have more than one CPU-Processor and this is called multiprocessing.All modern CPUs are microprocessors, meaning contained on a single chip. Some integrated circuits (ICs) can contain multiple CPUs on a single chip; those ICs are called multi-core processors.
How a CPU is made