Define ALU, CU and CPU
Answers
Explanation:
An arithmetic logic unit (ALU) is a digital circuit used to perform arithmetic and logic operations. It represents the fundamental building block of the central processing unit (CPU) of a computer. Modern CPUs contain very powerful and complex ALUs. In addition to ALUs, modern CPUs contain a control unit (CU)....
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The following terms are defined below:
1. ALU :- ALU stand for Arithmetic Logic Unit. It is a digital arithmetic tool that is used to performs several kind of arithmetic and logical opreation.It requires computer instructions to perform operation of different types .
ALU performs bitwise logical operations and basic arithmetic operations.
some of their examples are given below:
- Addition. A add B
- Subtraction. A subtracts B
- AND. bitwise logic AND
- OR. bitwise logic OR
2. CU :- CU stand for control unit. It is the part of Central processing Unit (CPU). It is responsible for the control of all the operations of the processor.
CU is also know as ' brain within brain' . It usually helps in responding to different operations at the same time.
3. CPU :- CPU stands for Central Processing Unit . It is know as the brain of the computer. all the functions happens inside this component.
It's function is to perform all the operations, read all the data and provide the output.
It is the main source of memory for the computer.
CPU performs all the basic arithmetic, logical , controlling and input/output operations by the instructions given in the program.
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