What is CPU
The CPU Stand for central processing Unit. CPU is the brain of computer. It handles all the instructions you give your computer and faster it does this. CPU is perform the basic operation arithmetic , and logical and input and output operations of a computer system.
The CPU was first developed at Intel with the help of Ted Hoff and others in the early 1970s. The first processor released by Intel was the 4004 processor.
Types of CPU
There are multiple versions for CPU types.
CPU consist of three components. −
1) Memory or Storage Unit
Memory or Storage Unit store instructions, data. This unit supplies information to other units such as RAM (Random Access Memory) . It is also known as internal storage unit or the main memory.
2) Control Unit
Control unit is an integrated circuit in a processor that controls the input and output. It receives instructions from a program, then passes them to the arithmetic logic unit (ALU). .
3) ALU(Arithmetic Logic Unit)
The ALU performs the appropriate calculations and sends the resulting values back to the control unit. The control unit sends these values to the corresponding program as output.