6comp_arc_asmbly

6comp_arc_asmbly - Introduction to Computers and...

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Introduction to Computers and Programming Lecture 6 Recap Prof. I. K. Lundqvist Reading: B pp. 74-98 Sept 15 2003 • The Binary system • How to represent negative numbers • Why floating point numbers • How FPs are represented in a computer • Number representation –Integers – Real numbers
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of wires”) Computer Architecture computer architecture = computer organization + instruction set architecture von Neumann architecture computer processor ALU CU Reg Reg 10101101 01111000 Input Output bus • The Arithmetic Logic Unit (ALU) • The Control Unit • The memory • The input and output devices (I/O) memory devices How Computers Work • von Neumann architecture – Describes a computer with 4 main sections – The parts are connected by a bus (“bundle
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Computer Organization CPU : central processing unit contained in the software Arithmetic Logic Unit : performs operations such as addition, subtraction, bit-wise AND, OR, Control Unit : “directs the CPU’s operations” fetches instructions from memory, decodes them and produces signals which control the other parts of the computer Example 1: Adding values stored in memory
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This note was uploaded on 01/28/2012 for the course AERO 16.01 taught by Professor Markdrela during the Fall '05 term at MIT.

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6comp_arc_asmbly - Introduction to Computers and...

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