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Balanced Introduction To Computer Science (3RD 11 Edition)

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Balanced Introduction To Computer Science (3RD 11 Edition) Cover

 

Synopses & Reviews

Please note that used books may not include additional media (study guides, CDs, DVDs, solutions manuals, etc.) as described in the publisher comments.

Publisher Comments:

A Balanced Introduction to Computer Science, 3/e is ideal for Introduction to Computing and the Web courses in departments of Math and Computer Science.

This thoughtfully written text uses the Internet as a central theme, studying its history, technology, and current use. Experimental problems use Web-based tools, enabling students to learn programming fundamentals by developing their own interactive Web pages with HTML and JavaScript. Integrating breadth-based and depth-based chapters, Reed covers a broad range of topics balanced with programming depth in a hands-on, tutorial style.

About the Author

David Reed is an Associate Professor and Chair of the Department of Computer Science at Creighton University in Omaha, Nebraska. He received his M.S. and Ph.D. in computer science from Duke University in 1992, and subsequently taught and conducted research at Duke University and Dickinson College before joining the Creighton faculty in 2000. His primary interests are in artificial intelligence, programming languages, and computer science education, where he has published extensively on topics such as apprentice-based learning, Web-based programming, and innovative instructional methods in introductory computer science. He is a member of the Liberal Arts Computer Science Consortium and the Chief Reader for the Advanced Placement® Computer Science Exam since 2004.

Table of Contents

Contents

Preface xv

1 Computer Basics 1

What Is a Computer? 1

Hardware 3

Central Processing Unit (CPU) 4

Memory 6

Input/Output Devices (I/O) 8

Software 9

Operating Systems 10

Internet and the Web 12

Web Browsers and Servers 13

Web Addresses 14

Accessing Local Pages 15

Looking Ahead... 15

Chapter Summary 16

Review Questions 17

References 18

2 HTML and Web Pages 19

HTML Basics 20

HTML Tags 20

HTML Elements 21

Document Formatting 22

Text Spacing 22

Headings and Alignment 23

Font Formatting 25

Hypertext and Multimedia 27

Hyperlinks 27

Images 28

Lists 30

Formatting Lists 32

Tables 33

Table Borders 33

Table Alignment 34

Making Pages Publicly Viewable 36

Looking Ahead... 37

Chapter Summary 38

Supplemental Material and Exercises 39

3 The Internet and the Web 43

History of the Internet 44

ARPANet 44

Growth and Privatization 45

How the Internet Works 48

Distributed Network 48

Packet Switching 49

Internet Protocols: TCP/IP 50

Domain Names 50

History of the Web 52

Hypertext and the Web 52

Mainstream Adoption of the Web 53

Web Growth 54

How the Web Works 55

HTML 55

Web Protocol: HTTP 55

Caching 56

Looking Ahead... 56

Chapter Summary 57

Review Questions 58

Endnotes 59

References 59

4 JavaScript and Dynamic Web Pages 61

Dynamic Web Pages 62

HTML Event Handlers 62

The onclickEvent Handler 65

Interaction via Buttons 66

Input Buttons 66

Dynamic Text within a Page 69

Alert Windows 69

The innerHTMLAttribute 70

Example: Quotations Page 73

Looking Ahead... 75

Chapter Summary 75

Supplemental Material and Exercises 76

5 JavaScript and User Interaction 79

User Input via Text Boxes 79

The Text Box Element 80

Example: Form Letter Page 82

JavaScript Variables 83

Variables for Reusing Values 84

Example: Fill-in-the-Blank Story 85

Variables for Temporary Values 86

Web Pages That Compute 88

JavaScript Numbers and Expressions 88

Number Representation 90

Text Boxes and parseFloat91

Example: Grade Calculation 94

Programming Errors and Debugging 94

Looking Ahead... 95

Chapter Summary 95

Supplemental Material and Exercises 96

6 The History of Computers 100

Generation 0: Mechanical Computers (1642—1945) 101

Programmable Devices 102

Electromagnetic Relays 104

Generation 1: Vacuum Tubes (1945—1954) 105

Computing and World War II 106

The von Neumann Architecture 108

Generation 2: Transistors (1954—1963) 109

High-Level Programming Languages 110

Generation 3: Integrated Circuits (1963—1973) 110

Large Scale Integration 111

Computing for Businesses 111

Generation 4: VLSI (1973—1985) 112

The Personal Computer Revolution 112

Object-Oriented Programming 114

Generation 5: Parallel Processing & Networking (1985—????) 114

Looking Ahead... 115

Chapter Summary 115

Review Questions 116

Endnotes 118

References 118

7 Functions and Randomness 119

Predefined JavaScript Functions 119

Math Functions 120

Raising Numbers to a Power 123

Generating Random Numbers 123

Simple User-Defined Functions 125

Functions That Simplify 128

Randomness in a Page 129

Example: Simulated Dice 129

Example: Random Slide Show 130

Example: Random Banner Ads 131

Looking Ahead ... 133

Chapter Summary 133

Supplemental Material and Exercises 134

8 Algorithms and Programming Languages 136

Algorithms 137

Algorithms in the Real World 137

Designing and Analyzing Algorithms 138

An Alternative Algorithm 140

Algorithm Analysis 141

Big-Oh Notation 142

Algorithm Example: Searching a List 142

Sequential Search 142

Binary Search 143

Algorithm Analysis 144

Algorithm Example: Approximating a Square Root 144

Algorithm Analysis 146

Algorithms and Programming 146

Machine Languages 146

High-Level Languages 147

Program Translation 148

Interpreters and Compilers 150

Looking Ahead... 151

Chapter Summary 151

Review Questions 152

References 153

9 Abstraction and Libraries 155

The Structure of Functions 156

Local Variables 157

Functions with Inputs 159

Multiple Inputs 161

Functions That Return Values 162

Function Libraries 163

The random.jsLibrary 165

Looking Ahead ... 168

Chapter Summary 168

Supplemental Material and Exercises 169

10 Computer Science as a Discipline 174

Computer “Science” 175

Artificial Science 176

Computer Science Themes 176

Hardware 177

Software 177

Theory 178

Subfields of Computer Science 179

Algorithms and Data Structures 179

Architecture 182

Operating Systems and Networks 183

Software Engineering 185

Artificial Intelligence and Robotics 187

Bioinformatics 188

The Ethics of Computing 189

Looking Ahead... 190

Chapter Summary 191

Review Questions 192

Endnotes 193

References 194

11 Conditional Execution 195

If Statements 195

Boolean Tests 196

Nested If Statements 199

Cascading If-Else Statements 200

Example: Dice Simulations 201

Counters 201

Boolean Expressions 204

Example: Slot Machine 206

Looking Ahead... 209

Chapter Summary 209

Supplemental Material and Exercises 210

12 Data Representation 216

Analog vs. Digital 216

Binary Numbers 218

Representing Integers 219

Representing Real Numbers 220

Representing Characters and Strings 222

Representing Other Types of Data 223

Sounds 223

Images 225

Movies 227

How Computers Distinguish among Data Types 228

Looking Ahead... 229

Chapter Summary 230

Review Questions 230

References 232

13 Conditional Repetition 233

While Loops 234

Avoiding Redundancy 236

Example: Lottery Combinations 238

Counter-Driven Loops 240

Variables and Repetition 243

Example: Generating Hailstone Sequences 246

Looking Ahead... 247

Chapter Summary 248

Supplemental Material and Exercises 248

14 Inside the Computer–The von Neumann Architecture 253

CPU Subunits and Datapath 253

CPU Subunits 254

CPU Datapath Cycles 255

Datapath Simulator 255

CPU and Main Memory 257

Transferring Data to and from Main Memory 257

Datapath with Memory Simulator 258

Stored-Program Computer 260

Machine Languages 260

Control Unit 262

Stored-Program Computer Simulator 263

The Role of Input/Output Devices 267

Machine vs. Assembly Languages 268

Looking Ahead... 269

Chapter Summary 270

Review Questions 271

References 272

15 JavaScript Strings 273

Strings as Objects 273

Properties and Methods 274

Common String-Manipulation Methods 276

String Concatenation 277

Searching Strings 278

General Searches 279

String Manipulations and Repetition 280

Example: Recognizing Palindromes 282

Example: Substitution Ciphers 282

Encoding Messages 283

Decoding Messages 286

Looking Ahead... 287

Chapter Summary 288

Supplemental Material and Exercises 288

16 Inside the Computer–Transistors and Integrated Circuits 293

Electricity and Switches 294

Electricity Basics 294

Switches 294

Transistors 295

Transistors as Switches 296

From Transistors to Gates 297

Gates and Binary Logic 298

From Gates to Complex Circuits 300

Example: Designing Memory Circuitry 302

From Circuits to Microchips 303

The Integrated Circuit 303

Manufacturing Integrated Circuits 304

Packaging Microchips 305

Looking Ahead... 307

Chapter Summary 307

Review Questions 308

References 310

17 JavaScript Arrays 311

Arrays as Objects 312

Accessing Items in an Array 312

Assigning Items in an Array 313

From Strings to Arrays 315

The splitMethod for Strings 315

Example: Generating Acronyms 316

Arrays of Numbers 318

Example: Maintaining Dice Statistics (Approach 1) 321

Example: Maintaining Dice Statistics (Approach 2) 323

Example: ASCII Animations 324

Looking Ahead... 325

Chapter Summary 327

Supplemental Material and Exercises 328

18 Computers and Society 335

Positive Impact of Technology 335

Computers and Programs for Everyday Tasks 336

The Internet and Web as Information Sources 338

The Internet and Web as Communications Media 341

The Internet and Web for Commerce 342

Potential Dangers of Technology 344

Reliance on Complex Systems 344

Information Overload 345

Privacy and Security 346

The Digital Divide 347

Looking Beyond... 348

Chapter Summary 349

Review Questions 349

Endnotes 350

References 351

Appendix A: Browser Basics 352

Appendix B: Common Text Editors 358

Appendix C: HTML Reference 363

Appendix D: JavaScript Reference 366

Appendix E: random.jsLibrary 373

Appendix F: time.jsLibrary 374

Appendix G: arrays.jsLibrary 376

Index

Trademark Information

Photo Credits

Product Details

ISBN:
9780132166751
Author:
Reed, David
Publisher:
Prentice Hall
Subject:
General Computers
Subject:
Personal Computers-General
Copyright:
Edition Description:
Trade paper
Publication Date:
20100910
Binding:
TRADE PAPER
Grade Level:
College/higher education:
Language:
English
Pages:
432
Dimensions:
9.9 x 7.9 x 0.8 in 771 gr

Related Subjects

Computers and Internet » Computers Reference » General
Computers and Internet » Personal Computers » General

Balanced Introduction To Computer Science (3RD 11 Edition) Used Trade Paper
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