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CHAPTER Introduction to Computers and Programming

About some of the different ways that people use Computers . In school, students use com-puters for tasks such as writing papers, searching for articles, sending email, and participating inonline classes. At work, people use Computers to analyze data, make presentations, conduct busi-ness transactions, communicate with customers and coworkers, control machines in manufac-turing facilities, and do many other things. At home, people use Computers for tasks such as pay-ing bills, shopping online, communicating with friends and family, and playing computer don t forget that cell phones, iPods , BlackBerries , car navigation systems, and manyother devices are Computers too. The uses of Computers are almost limitless in our everyday can do such a wide variety of things because they can be programmed.

4 Chapter 1 Introduction to Computers and Programming Figure 1-3 The ENIAC computer (courtesy of U.S. Army Historic Computer Images) Figure 1-4 A lab technician holds a modern microprocessor (photo courtesy of Intel Corporation) Main Memory You can think of main memoryas the computer’s work area.This is where the computer stores a program while the …

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