[...]... 11 1 11 1 11 2 11 2 11 3 11 5 11 5 11 7 11 7 12 1 12 1 12 3 12 4 12 4 12 5 12 7 12 8 Function Calls: That’s What It’s All About—Get Somebody Else to Do the Work 13 1 In This Chapter What Is a Function and Why Use One? Example 1 Example 2 ... The Symbol for a Variable (Reference) Parameter How to Call a Function Where the Calling Begins: Inside the Main Function The Receiving End: Inside the Called Function Find_Average Summary 13 1 13 2 13 3 13 4 13 4 13 5 13 5 13 7 14 0 14 0 14 2 14 3 14 3 14 5 14 6 14 6 14 7 14 8 15 0 Contents Chapter 9... 17 3 17 3 17 4 17 5 17 6 17 8 17 8 18 0 18 1 18 3 18 4 18 4 18 5 18 6 18 7 All About Strings 18 9 In This Chapter The String as an Array String Functions Length and Substring 18 9 19 0 19 2 19 3 xi xii Contents Find and CharAt... Computer Examples Using Functions to Draw Drawing the Sun By Using the Oval Commands Summary Chapter 10 15 1 15 2 15 2 15 3 15 4 15 5 15 8 15 8 15 9 16 0 16 1 16 1 16 2... 299 299 300 3 01 302 303 304 304 305 306 308 310 Glossary 311 Index 3 21 xv Introduction Computer Programming for Teens is an introduction to the topic of computer programming The focus of the book is on the common elements of programming in any language The book begins with understanding the computer as a... Chapter 13 19 9 19 9 202 203 204 205 205 207 210 210 211 212 213 214 Debugging: More Important Than You Think 215 In This Chapter Three Types of Errors Syntax Errors Run-Time Errors Logic Errors What Are Debuggers? Tracing Through a Loop Tracing Through a Function Summary Chapter 14 ... Jackson Mapleville Digit Description closed open open open open closed closed closed 0 1 1 1 1 0 0 0 A description of the road situation from Mapleville to Berkeley via Glaston would look like the following: MAPLEVILLE ? closed 0 FURLEIGH ? open 1 GLASTON ? open 1 CRANTZ or just the four bits: 0 1 1 1 ? open 1 BERKELEY The Computer: An Electronic Machine If you wanted to describe the road situations starting... For example, if your operating system uses 12 8 MB, while Microsoft Office uses 256 MB and Adobe Acrobat uses 12 8 MB, you could have both applications open at the same time as the operating system (a total of 512 MB) if your computer has 1 GB of RAM Now if you run a game, such as Master of Defense, you’ll need another 12 8 MB just for that application (Compare that with Battleground, which requires 512 ... relationship to programming 1 2 Chapter 1 n First Things First Introduction Computer technology is all around us—not only on our personal computers, but also on ATM machines, fuel injection in cars, digital cameras, and telephone communications None of this technology would be possible without computer programming Programming provides instructions that tell the machine how to operate In your personal computer, ... view While other books focus on the minutiae of computer programming language grammar, this book attempts to focus on the bigger concepts in programming So if you want to understand the fundamentals of programming, such as how to write loops and make decisions, you will find this book useful xvi Introduction How This Book Is Organized Computer Programming for Teens is organized into chapters, beginning . . . . . . . . . . . . . . . . . . . 310 Glossary 311 Index 3 21 Introduction xvi Computer Programming for Teens is an introduction to the topic of computer programming. The focus of the book is. . . . . . 11 1 Two Different Kinds of Loops . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2 Fixed Iterative Loops vs. Conditional Loops . . . . . . . . . . . . . . . 11 2 The For Loop. Publisher for quantity discount information. Training manuals, CD-ROMs, and portions of this book are also available individually or can be tailored for specific needs. ISBN -10 : 1- 59863-446 -1 ISBN -13 :