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By Timothy J. O'Leary, Linda I. O'Leary

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Data c. Internet b. hard disk d. power cord 4. Windows 7 is an example of a(n) a. application software c. operating system b. browser d. shareware 5. The least powerful, yet the most widely used and fastest-growing type of computer. a. mainframe computers c. minicomputers b. microcomputers d. supercomputers 6. The system component that controls and manipulates data in order to produce information is called the a. keyboard c. monitor b. microprocessor d. mouse 7. These devices translate data and programs that humans can understand into a form that the computer can process.

1 DIGITAL PHOTO MANIPULATION Image editing software has made it easy to alter photographs, which in the past were accepted as visual records of real events. In some cases, the purpose of digital editing is humor and exaggeration, while other times subtle changes are used to alter a photo’s deeper meaning. Some caution “seeing is believing” needs to be reconsidered for the digital age and argue that ethical standards need to be clearly established for photo manipulation. See page 125. 2 WEBCAMS WebCams are almost everywhere, from dorm rooms to parking lots.

A college course need not fit within a quarter or a semester. indd 4 10/25/10 4:58 PM Confirming Pages • New ways to communicate, to find people with similar interests, and to buy goods are available. People use electronic mail, electronic commerce, and the Internet to meet and to share ideas and products. To be competent with computer technology, you need to know the five parts of an information system: people, procedures, software, hardware, and data. You also need to understand connectivity, the wireless revolution, the Internet, and the Web and to recognize the role of information technology in your personal and professional life.

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