SS08_CSE201_Lecture_04

SS08_CSE201_Lecture_04 - CSE 201 Lecture 04 Thursday...

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1 CSE 201 Lecture 04 Thursday January 17, 2008
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2 Notables ± Homework #2 is due today ± Forthcoming topics ² Object Representation ² Base conversion ² Introduction to Python
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3 Object Representation; naming things Objects/Concepts Representation A one-to-one function is required . .
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4 Object Representation… ± Need symbols; how many? ± What are other issues? ² Physical cost of representation ² Representation and algorithms ± We’ll concentrate on “number” representation.
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5 Issues in Representation ± Cost (how to define?) ² How many symbols ² Operations ² Recovery ² Transmission (another representation) ± For counting, how many symbols do we need?
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6 Understanding Number Encoding ± Suppose we have the following “symbol” ² ± How would you encode “numbers”? ² We may have to employ a “manual” or a “translation table” ± Suppose now that we have the following symbols ² and ± How would you encode “numbers” now?
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7 Example: Using only one symbol ± As long as we have a 1 to 1 function we have a correct representation 1 2 3 12 .
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This note was uploaded on 03/30/2008 for the course CSE 201 taught by Professor Esfahanian during the Spring '08 term at Michigan State University.

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SS08_CSE201_Lecture_04 - CSE 201 Lecture 04 Thursday...

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