A Balanced Introduction to Computer ScienceThis carefully written, balanced book teaches the most important concepts in computing and computer science while providing enough programming depth to enable understanding about how people work with computers. Taking advantage of today's interest in and familiarity with the Web, the book contains experimental problems using Web-based tools; enabling readers to learn the fundamentals of programming by developing their own interactive Web pages. Beginning with an introduction, overview, and the basics of computers, the book proceeds with comprehensive chapters on HTML and Web pages, the Internet, JavaScript and Web page creation, the history of computers, abstraction and user-defined functions, algorithms and programming languages, event-driven programming, conditional execution, data representation, conditional repetition, JavaScript strings, and transistors and integrated circuits. This book can serve as an excellent reference resource for those entering the computer job market: programmers, Web site and Web page designers, and technical support staff. |
From inside the book
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Page 63
... variable can be used to represent a value , such as a name entered by the user . With a few exceptions , you can ... Variables and Memory Cells • 63 JavaScript Variables Variables and Memory Cells.
... variable can be used to represent a value , such as a name entered by the user . With a few exceptions , you can ... Variables and Memory Cells • 63 JavaScript Variables Variables and Memory Cells.
Page 64
David Reed. A Common errors to avoid . The case sensitivity of variables in JavaScript can lead to subtle errors . For example , suppose that you assign a value to a variable called lastName , then later attempt to refer to that value ...
David Reed. A Common errors to avoid . The case sensitivity of variables in JavaScript can lead to subtle errors . For example , suppose that you assign a value to a variable called lastName , then later attempt to refer to that value ...
Page 124
... variable . However , when the function termi- nates , the parameters " go away , " and their associated memory cells are freed . By default , variables other than parameters are global variables , meaning that they exist and can be ...
... variable . However , when the function termi- nates , the parameters " go away , " and their associated memory cells are freed . By default , variables other than parameters are global variables , meaning that they exist and can be ...
Contents
The Internet and the | 37 |
19 | 57 |
JavaScript and Dynamic Web Pages | 58 |
Copyright | |
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algorithm ARPANet array assignment binary numbers Boolean browser Bus Address Celsius Chapter character circuit circuitry components computer science contains copy counter Dave Reed dice rolls display Edit View Favorites electrical enter errors evaluates to true example executed EXERCISE Favorites Tools Help Figure File Edit View function grade hardware input instructions integer integrated circuits JavaScript JavaScript code language load machine machine-language main memory memory location menu method microchip Microsoft Internet Explorer misc Netscape Navigator operating system output perform Pig Latin processors prompt registers represented result roll1 script type="text/javascript sequence server simulator specify Stop Refresh Home stored string substring switch tags tasks text area text box TextEdit transistors TRUE or FALSE user clicks variable View Favorites Tools von Neumann architecture Web browser window wire word write statements