To control instructions and data flow to and from other parts of the computer, the CPU relies heavily on a chip set, which is a group of microchips located on the motherboard. CPU or Central Processing Unit is computer hardware that carries out a computer’s instructions and controls all the arithmetical, logical, and input/output operations of a computer system. With that denomination, the hardware is known whose function is to interpret the instructions of the software. The CPU processes instructions it receives in the process of decoding data. Multimedia University. COMP ARCH & ORGANIZATION (TSN1101) Academic year. CPU Definition. University. Retrieved from Lecture Notes, enables you to revise easily. the CPU (Central Processing Unit) is main control Chip that most calculations are done in for your computer to function .The CPU is the brain of any computer. The form, design, and implementation of CPUs changed various times in the past history but the basic fundamentals of its operation remained unchanged. 2017/2018 The central processing unit (CPU) of a computer is a piece of hardware that carries out the instructions of a computer program. CPU stands for Central Processing Unit. It performs the basic arithmetical, logical, and input/output operations of a computer system. Lecture B2 – Structure and Function of Central Processing Unit, Instruction Cycle. Aforetime these were 8-bit microcontrollers such as 8051, and now these are 16- and 32-bit microcontrollers. The most important function for the CPU is to continuously perform Instruction Cycle ( Also referred as machine cycle ) . through, logical and arithmetic operations.. Course. Central Processing Unit: The central processing unit (CPU) is the unit, which performs most of the processing inside a computer. In the early 1960s the use of the “central processing unit” had started. In short, all the data processing operations within a computer are controlled by the CPU. Central Processing Unit (CPU) is the brain of a PLC controller. CPU itself is usually one of the microcontrollers. The Four Primary Functions of the CPU. Functions Of Central Processing Unit The CPU performs some of the most important functions in a computer System . Currently, the CPUs are in an integrated circuit ( chip ) namely microprocessor. A CPU has various functions and components which we will discuss later. The computers (PCs) may have a CPU or more than one.