10APPLICATION AND SYSTEM PROGRAMMING
Chapter 9 covered how web browsers work. You learned that browsers are complex application programs that provide software-implemented “computers” that support very high-level “instructions.” In this chapter, we’ll write a program that runs in a browser, followed by a similar program that doesn’t use the browser. The structure of the two programs is shown in Figure 10-1.
The operating system hides much of the I/O device complexity from user programs. In a similar manner, a complex user program such as a browser hides much of the complexity of dealing with operating systems from application programs that are ...
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