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Lecture 01-introduction - Lecture01...

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Unformatted text preview: Lecture01 - introductions ([email protected]) 1-1 1048: Computer Organization 1048: Computer 1048: Computer Organization Organization Lecture 1 Lecture 1 – – Computer Computer Abstractions and Technology Abstractions and Technology Lecture01 - introductions ([email protected]) 1-2 Introduction • This course is all about how computers work • But what do we mean by a computer? – Different types: desktop, servers, embedded devices – Different uses: automobiles, graphics, finance, genomics … – Different manufacturers: Intel, Apple, IBM, Microsoft, Sun … – Different underlying technologies and different costs! • Analogy: Consider a course on “ automotive vehicles ” – Many similarities from vehicle to vehicle (e.g., wheels) – Huge differences from vehicle to vehicle (e.g., gas vs. electric) • Best way to learn: – Focus on a specific instance and learn how it works – While learning general principles and historical perspectives Lecture01 - introductions ([email protected]) 1-3 Why learn this stuff? • You want to call yourself a “ computer scientist ” • You want to build software people use (need performance) • You need to make a purchasing decision or offer “ expert ” advice • Both Hardware and Software affect performance: – Algorithm determines number of source-level statements – Language/Compiler/Architecture determine machine instructions (Chapter 2 and 3) – Processor/Memory determine how fast instructions are executed (Chapter 5, 6, and 7) • Assessing and Understanding Performance in Chapter 4 Lecture01 - introductions ([email protected]) 1-4 What is a computer? • Components: – input (mouse, keyboard) – output (display, printer) – memory (disk drives, DRAM, SRAM, CD) – network • Our primary focus: the processor (datapath and control) – implemented using millions of transistors – Impossible to understand by looking at each transistor – We need... Lecture01 - introductions...
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Lecture 01-introduction - Lecture01...

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