CPU Full Form : Central Processing Unit. Learn what is CPU , its functions, types, components, and why it’s called the brain of a computer . CPU full form is Central Processing Unit, the brain of a computer , responsible for processing instructions, performing calculations, and managing data. Learn CPU full form and definition, Full form of CPU in computer , CPU parts, functions, examples, and where it is used in computers, IT studies, and competitive exams. Full Form of CPU The word CPU stands for central processing unit it is the main part of a computer that performs different operations on the computer and creates programs of the computer . The other name of the CPU is the central processor or main processor . The operations such as mathematical operations, logical operations, controlling of other computer devices all are done by the CPU .