The full form of the CPU is the Central Processing Unit. The CPU socket is a specific area of the motherboard where the CPU is mounted to carry out additional system outputs and inputs. A computer’s CPU is referred to as its brain. It executes all fundamental logical and mathematical processes, relays computer commands, and runs computer programmes. Typically, a processor made up of an arithmetical logical unit and a control unit is referred to as a CPU.
CPU = ALU + CU
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Where,
ALU – Arithmetical Logical Unit
CU – Control Unit
Various Types Of CPU
There are three main types of CPU:
- Transistor type CPU
- Large Scale Integration type CPU
- Small Scale Integration type CPU
Different parts of the CPU
The CPU is broadly divided into three main parts.
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Arithmetical Logical Unit (ALU)
It is a significant part of the CPU. It supervises all numerical and logical functions, such as subtraction, addition, division, multiplication, etc.
Control Unit (CU)
CU is the main component of the CPU. It directs a task to the whole system, and it regulates all the computer activities that occur.
Memory or Register
A register is a particular type of device for memory. The memory stores the information that the processor has to process or has already processed.