'String operations' diaporamas de présentation

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Languages

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Languages

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Processor

Processor. Hakim Weatherspoon CS 3410, Spring 2013 Computer Science Cornell University. See P&H Chapter 2.16-20, 4.1-4. Big Picture: Building a Processor. memory. register file. inst. alu. +4. +4. addr. =?. PC. d in. d out. control. cmp. offset. memory. new pc. target.

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Languages and Finite Automata

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Python 3

Python 3. March 15, 2011. NLTK. i mport nltk n ltk.download(). NLTK. 1. Look at the lists of available texts. import nltk from nltk.book import * texts(). NLTK. 2. Check out what the text1 (Moby Dick) object looks like. import nltk from nltk.book import * print text1[0:50]. NLTK.

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Python 3

Python 3. March 15, 2011. NLTK. i mport nltk n ltk.download(). NLTK. 1. Look at the lists of available texts. import nltk from nltk.book import * texts(). NLTK. 2. Check out what the text1 (Moby Dick) object looks like. import nltk from nltk.book import * print text1[0:50]. NLTK.

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HKOI 2004 Team Training

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Variables / Scope

Variables / Scope. Variable. Memory location whose value can change as the program is running. Used to hold temporary information Used to control the type of data used in calculations Val returns a Double-type, which is often larger than necessary

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Title

Windows Python Tutorial. Title. Center for Coastal and Ocean Mapping NOAA/UNH Joint Hydrographic Center. Kurt Schwehr Jan 2007. Day 1 Introduction and Basic Mechanics. Installing python and a source code editor Editing and running script files Using the IPython shell

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Formal Languages Models of Computation

Formal Languages Models of Computation. Computation. memory. CPU. temporary memory. input memory. CPU. output memory. Program memory. Example:. temporary memory. input memory. CPU. output memory. Program memory. compute. compute. temporary memory. input memory. CPU.

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Introduction

Introduction. Why do we study Theory of Computation ?. Outline. Importance of Theory of Computation Languages Languages and Problems. What is Computation ?. Sequence of mathematical operations ? What are, and are not, mathematical operations? Sequence of well-defined operations

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Languages

Languages. Language: a set of strings String: a sequence of symbols from some alphabet Example: Strings: cat, dog, house Language: {cat, dog, house}. Alphabet:. Languages are used to describe computation problems:. Alphabet:.

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Instruction Set Architectures: RISC, CISC, & 64-bit Processors

Instruction Set Architectures: RISC, CISC, & 64-bit Processors. CISC (Complex Instruction Set Computers). IA - 32. 1978: The Intel 8086 is announced (16 bit architecture) 1980: The 8087 floating point coprocessor is added 1982: The 80286 increases address space to 24 bits, +instructions

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Comp 110 More Types

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C strings

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Chapter 9:

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CISC versus RISC

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