Arithmetic LogicUnit


 
 
Concept Explanation
 

An arithmetic-logic unit (ALU) is the part of a computer processor (CPU) that carries out arithmetic and logic operations on the operands in computer instruction words. In some processors, the ALU is divided into two units, an arithmetic unit (AU) and a logic unit (LU).

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Sample Questions
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Question : 1

Which of the following is the incorrect statement ?

1. Bit-Shifting Operations pertains to shifting the positions of the bits by a certain number of places either towards the right or left .

2. Arithmetic operations cannot do multiply or addition .

3. Logical operations include operations like AND, OR, NOT, XOR, NOR, NAND, etc.

Right Option : C
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Question : 2

_________ is the part of a computer processor (CPU) that carries out arithmetic and logic operations on the operands in computer instruction words .

Right Option : C
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Question : 3

The ALU of a computer responds to the commands coming from _________________

Right Option : B
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