Chapter13 - Chapter 13 Programming Languages and Program...

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Chapter 13  Programming  Languages and  Program  Development
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Chapter 13 Objectives Next Describe various ways to develop Web pages including HTML, scripting languages, DHTML, XML, WML, and Web page authoring software Differentiate between machine and assembly languages Identify and discuss the purpose of procedural programming languages Discuss the advantages and uses of visual programming languages Identify and discuss the characteristics of object-oriented programming languages Identify the uses of various nonprocedural languages and tools Identify the uses of popular multimedia authoring programs List the six steps in the program development cycle Differentiate between structured design and object-oriented design Explain the basic control structures used in designing solutions to programming problems
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Computer Programs and Programming Languages What is a computer program ? p. 664 Fig. 13-1 Next Set of instructions that directs computer to perform tasks Programming language —used to write instructions Click to view video Click to view animation
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Computer Programs and Programming Languages What are low-level languages and high-level languages? p. 664 Next High-level language Low-level language Machine-dependent runs only on one type of computer Often machine-independent can run on many different types of computers Machine and assembly languages are low-level
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Low-Level Languages What is machine language ? p. 665 Fig. 13-2 Next Only language computer directly recognizes Click to view animation
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Low-Level Languages What is assembly language ? p. 666 Fig. 13-3 Next Instructions made up of symbolic instruction codes, meaningful abbreviations and codes Source program contains code to be converted to machine language
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Procedural Languages What is a procedural language ? p. 666 Next Most widely used are BASIC, COBOL, and C Uses series of English-like words to write instructions Often called third-generation third-generation language (3GL) language (3GL) Programmer writes instructions that tell computer what to accomplish and how to do it Click to view animation
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Procedural Languages What is a compiler? p. 667 Fig. 13-4 Next Program that converts entire source program into machine language before executing it
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Procedural Languages What is an interpreter? p. 667 Fig. 13-5 Next Program that translates and executes one program code statement at a time Does not produce object program
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Procedural Languages What is BASIC ? p. 668 Fig. 13-6 Next Designed for use as simple, interactive problem-solving language Beginner’s All-purpose Symbolic Instruction Code
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Procedural Languages What is COBOL ? p. 668 Fig. 13-7 Next Click to view Web Link, click Chapter 13, Click Web Link from left navigation, then click COBOL below Chapter 13 Designed for business applications English-like statements make code easy to read, write, and maintain COmmon Business-Oriented Language
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What is
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This note was uploaded on 06/21/2009 for the course CHEM 130 taught by Professor Kia during the Spring '09 term at Abraham Baldwin Agricultural College.

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Chapter13 - Chapter 13 Programming Languages and Program...

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