The University of Texas at Tyler Libraries

Front Cover; Computer Programming Languages in Practice; Copyright Page; Table of Contents; Introduction; Why Learn to Program?; Why Are There So Many Languages?; What You'll Find in Each Chapter; Chapter 1. What Programming Is; The Purpose of a Program; What is Software?; Types of Programs; Elements That Can Be Programmed; How Data Is Organized; Planning a Data File; The Need for a Data Base; Steps Involved in Preparing a Program; Flowcharts; Self-Test for Chapter 1; Chapter 2. Components of a Programming Language; Phases of Operation; The Statements Available in a Language; Syntax Diagrams

Coding FormsOperators; Variables; Constants; Literals; Arrays; Functions; Expressions; Procedures; Control Structures and Structured Programming; The Effect of Limited Control Structures; Self-Test for Chapter 2; Chapter 3. BASIC-Beginner's All-purpose Symbolic Instruction Code; Introduction; What Does a BASIC Program Look Like?; Choosing an Instruction Set for Explanation; Other Components of the Language; Expressions in BASIC; String Constants and String Variables; Numeric Constants and Numeric Variables; A Note About Names; How Numeric and String Variables Are Used; Arithmetic Operators

Order of PriorityWriting Expressions Using Arithmetic Operators; Relational Operators; Writing Expressions Using Relational Operators; Logical Operators; The String Operator; Array; System Functions; Special System Functions; Construction of Source Statements; Data Entry Statements; Keyboard Input Statements; Array Handling Statements; The FIELD Statement; File Handling Statements; Statements That Display and Print; The LET Statement; Decisions, Branches, and Loops; Special Source Statements; A Sample Program; Self-Test for Chapter 3; Chapter 4. COBOL-Common Business Oriented Language

IntroductionOrganization of a Program; The Identification Division; The Environment Division; The Data Division; COBOL Syntax Diagrams; The Procedure Division; Statements That Perform Arithmetic; The ACCEPT and DISPLAY Statements; The MOVE Statement; Statements That Use Files; Statements That Handle Tables; The SORT statement; Statements That Process Character Strings; Statements That Use Other Programs; The STOP Statement; COBOL Modules and Levels; Sample Program-Use of an Inventory File on Tape; Self-Test for Chapter 4; Chapter 5. Other Languages, Old and New; Introduction

Graphics and BASICFORTRAN-Formula Translator; A Section of a FORTRAN Program; Report Program Generator-RPG; CP/M-An Operating System You May Hear About; Self-Test for Chapter 5; Glossary of Terms; Answers; Answers to Self-Test for Chapter 1; Answers to Self-Test for Chapter 2; Answers to Self-Test for Chapter 3; Answers to Self-Test for Chapter 4; Answers to Self-Test for Chapter 5; Index

Computer Programming Languages in Practice provides an overview of various computer programming languages. The book begins with the fundamentals: what programs are; how they are planned and organized; what elements of the computer the programmer controls; flowcharting; and how computer data is organized. It then discusses material common to all languages, including the entry program, the compiler, the run-time system, syntax diagrams, and coding forms. The largest portion of this book is devoted to two very popular languages-BASIC and COBOL. It provides a brief history of the language's develo

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