08/05/2015
CPU (Central Processing Unit):-
The CPU is the brain or heart of the computer system and is responsible for all types of calculation and data processing jobs. Examples of CPU are 386, 486, PI, PII, PIII, PIV, etc. These are the CPU manufactured by Intel.
CPU mainly consists of 3 functional components.
Arithmetic and Logic Unit (ALU):-
The ALU performs all types of arithmetic calculation such as addition, subtraction, multiplication, division, etc. and performs logical operations by using logical operators such as =, , etc.
Memory Unit (MU):-
It is the storage unit of the CPU which holds the data and instructions currently used by the processor. The memory unit is in the form of CPU register.
Control Unit (CU):-
Control unit is responsible for controlling and co-coordinating all the activities and operations of different units of computer system. It controls all the activities by sending controlling signals to different components.
