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arithmetic logic unit

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Shimak Sharook
Shimak Sharook

The document discusses the arithmetic logic unit (ALU), which performs arithmetic and logical operations in a computer. It describes how the ALU was proposed by John Von Neumann in 1945 and is a digital circuit that performs integer calculations and logical operations. The ALU is part of the computer's microprocessor and is used to perform arithmetic operations like addition and subtraction using binary code, as well as logical operations like AND and OR.

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 INTRODUCTION  HISTORY OF ALU  WHAT IS ALU  ARITHMETIC OPERATION  LOGICAL OPERATION  MEMORY USAGE CONTENTS
 Arithmetic logic unit designed for computer operation and logic  It’s part of computer microprocessor  simplest microprocessors contain one for purposes such as maintaining timers. Introduction
 John Von Neumann proposed the ALU in 1945  He was a Mathematician History of ALU
 ALU is the digital circuit that performs integer arithmetic and logical operation.  ALU stand for Arithmetic logic unit WHAT IS ALU?
ALU DIAGRAM
 The basic Arithmetic operation is calculation most operation.  Arithmetic operation using for adding, subtracting.  The computer uses binary code system to do arithmetic operations. ARITHMETIC OPERATION
 There are several logical operation. NOT and or NOT.  Logical operation is performed on data it is called by data processing  To perform logical operation examples performed certain logical operation  LOGICAL OPERATION
 Two type of memory RAM and ROM.  RAM is main working memory used by the computer  When you switch on the computer it is copied into ram MEMORY USAGE
 Rom it is a special type of memory it holds software  Video cards and network card also contain in rom
 http://en.wikipedia.org/wiki/Arithmetic_logic_unit Lass accessed 8/10/2014 References
arithmetic logic unit

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arithmetic logic unit

  • 2.  INTRODUCTION  HISTORY OF ALU  WHAT IS ALU  ARITHMETIC OPERATION  LOGICAL OPERATION  MEMORY USAGE CONTENTS
  • 3.  Arithmetic logic unit designed for computer operation and logic  It’s part of computer microprocessor  simplest microprocessors contain one for purposes such as maintaining timers. Introduction
  • 4.  John Von Neumann proposed the ALU in 1945  He was a Mathematician History of ALU
  • 5.  ALU is the digital circuit that performs integer arithmetic and logical operation.  ALU stand for Arithmetic logic unit WHAT IS ALU?
  • 7.  The basic Arithmetic operation is calculation most operation.  Arithmetic operation using for adding, subtracting.  The computer uses binary code system to do arithmetic operations. ARITHMETIC OPERATION
  • 8.  There are several logical operation. NOT and or NOT.  Logical operation is performed on data it is called by data processing  To perform logical operation examples performed certain logical operation  LOGICAL OPERATION
  • 9.  Two type of memory RAM and ROM.  RAM is main working memory used by the computer  When you switch on the computer it is copied into ram MEMORY USAGE
  • 10.  Rom it is a special type of memory it holds software  Video cards and network card also contain in rom