lec7 - COMP 273 Introduction to Computer Systems COMP 273...

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COMP 273 Introduction to Computer Systems COMP 273 Micro Architecture Part 1 Prof. Joseph Vybihal
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2 COMP 273 Introduction to Computer Systems Announcements
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3 COMP 273 Introduction to Computer Systems Question Describe to me how a basic CPU runs a program (as you understand it) From a high-level view From a low-level view
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COMP 273 Introduction to Computer Systems Part 1 Basic Von Neumann Machine
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5 COMP 273 Introduction to Computer Systems The Von Neumann Machine Traditional computer model proposed by John Von Neumann in 1946 Components: Memory A processing unit Input Output Control Unit (sequencer) How it works: Machine instructions stored in memory compose an algorithm Each instruction is atomic The processing unit’s job is to pass along one instruction at a time to the control unit The control unit’s job is to make the machine carry-out the instruction Notes: Input refers to data from memory entering the processing unit Output refers to data exiting the processing unit for the memory
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6 COMP 273 Introduction to Computer Systems RAM (input) Processor Control Unit RAM (output) One instruction at a time (atomic instructions) manager execution Start stop
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7 COMP 273 Introduction to Computer Systems Used instructions Instructions Arm takes 1 instruction Random Access Memory Match instruction with a pattern Arm stores results here
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8 COMP 273 Introduction to Computer Systems Von Neumann Architecture
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lec7 - COMP 273 Introduction to Computer Systems COMP 273...

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