Computer processor
A computer processor is a functional unit that interprets and executes instructions. It is also called a central processing unit or CPU. It is the central nervous system of a computer. It is in contrast to processors and peripheral devices called peripherals, such as keyboards, displays, Disks, tape drives, etc. are peripherals. Each type of processor has a unique set of operation commands, which can be called the processor's instruction set, such as storage, load, etc. are all operation commands. Computer designers like to call computers computers, so instruction sets are sometimes called machine instructions, and the binary language in which these instructions are written is also called machine language. The central processing unit (English Central Processing Unit, CPU) is the computing core and control core of a computer.