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Subtraction in binary can be implemented by adding the 1's complement, and ignoring the overflow flag. Thus there is no need for a separate subtraction function if addition and 1's complement are available.

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Q: Why sustraction operation is not used in arthimatic logic unit?
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Related questions

What are the functions of arithmetic logic unit?

The Arithmetic Logic Unit as suggested by the name carries out the arithmetic calculations of the computer.


Differentiate between CU and ALU?

The ALU (Arithmetic-Logic Unit) is generally a subsection of the CPU (Central Processing Unit). While the CPU is the master driver of a computer, the ALU is a processing area optimized to handle mathematical computations and logic comparisons. The processor controller passes operation codes and operands to the ALU, which performs the requested operation on the supplied data and passes back the results.


What is the function of Algorithm Logic unit?

alu alogrithm logic unit


What is the logic unit is the part of the CPU which performs all of the calculations?

The ALU performs arithmetic and logic operations. ALU stands for Arithmetic Logic Unit.


The control unit and the arithmetic logic unit are located in the?

CPU


What is ALU?

arithmetic logic unit


What is the part of the CPU that does mathematical processing is called?

That's done by the ALU (arithmetic and logic unit).


What activities are carried out by the arithmetic logic unit?

The arithmetic logic unit or ALU performs arithmetic, logic, and integer operations. ALU was created by mathematician John von Neumann in 1945.


When information is sent from the CPU to memory or some other device this is considered?

Data and instructions from an input device are sent to the CPU. When the time is right, the control unit sends this information from the device to the arithmetic/logic unit, where an arithmetic operation or logical operation is performed. After being processed, the information is sent to memory, where it is held until it is ready to be released to an output unit. Basically, it is a form of storage.


Central processing unit is combination of?

Arithmetic logic and control unit


ALU stand for?

Arithmetic logic unit


What is a component of the central processing unit?

Arithmetic Logic UnitControl Unit