Lecture 2 - Lecture 2 8/27/10 Announcements Hwk 1 posted...

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Lecture 2 – 8/27/10 Announcements Hwk 1 posted Tue night Let me know if you have not received email announcement Last Lecture Grand tour of course Computing systems Digital vs. analog Realization Transistor basics CS310 Fall 2010 - Boral Abstraction as a Design Principle Computer systems use multiple levels of abstraction and interfaces (Ideally) Each level is only aware of the interfaces to the levels below it Example: Java Example: I/O Example: Instruction Set Architecture (ISA) Can lead to immense reduction of complexity (but you have to get the abstractions and interfaces just right) CS310 Fall 2010 - Boral
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Digital vs. Analog Computing Systems Analog is a continuous measurement representing some physical quantity: weight, distance, voltage Real world, difficult to be accurate, Specific to the task Analog clock: angular measures of hands Digital systems encode the physical quantity using binary digits (or bits)
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This note was uploaded on 11/30/2010 for the course CS 310 taught by Professor Fussell during the Spring '08 term at University of Texas at Austin.

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Lecture 2 - Lecture 2 8/27/10 Announcements Hwk 1 posted...

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