Difference between ALU and CU

Q.1 What is ALU?

Answer:

Full form of ALU is Arithmetic Logic Unit. It executes all the basic arithmetic operations (addition, subtraction, multiplication, and division) and logical operations.

Q.2 What is CU?

Answer:

Full form of CU is Control Unit.CU controls the operations of instructions. The Control Unit tell the most efficient method to work. It guides all the related operations to the individual parts of the processor. To perform arithmetic operations, and other operations. It performs all the tasks to complete all those instructions.

Q.3 Explain the functions of the CU and ALU in the CPU of a computer?

Answer:

The ALU function is to performing all logical and arithmetic operations whereas the control unit function is to direct execute instructions. CU create communication between memory unit and ALU.

Q.4 Does CU depends on Arithmetic Logic Unit?

Answer:

No, The control unit does not depend on the arithmetic logic unit but the ALU depend on control unit for it’s functions.


Difference Between ALU and CU

The most essential component of a computer is the Central Processing Unit. It is popularly known as CPU. It is used to process instructions. The principal component of the CPU is the Arithmetic Logic Unit and Control Unit. In this article, we will learn what is the main difference between ALU and CU.

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What is Arithmetic Logic Unit(ALU)?

ALU stands for Arithmetic Logic Unit. It is a very essential part of the CPU. It performs all the basic arithmetic (addition, subtraction, multiplication, and division) operations and logical operations. The ALU typically designed in such a way that it has direct input and output access to the random access memory (RAM). In modern computers, the ALU is itself is divided into two categories:...

What is Control Unit(CU)?

CU stands for Control Unit. It is one of the fundamental parts of the CPU. The main work of the CU is to tell the most efficient method to work. It guides all the related operations to the individual parts of the processor. Some basic operation performed by it includes taking guidelines, controlling sequential execution, managing information stream in the correct course, directing and observing the time needed amid the preparing and taking care of different functions, etc. It controls the operations of the processor. It informs the ALU, I/O devices, and the RAM how to respond to the command that has been sent to the processor. A control unit directs the system and executes instructions entered by the user....

Difference Between ALU and CU

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