Download Discovering Computers Fundamentals: Your Interactive Guide by Gary B. Shelly, Misty E. Vermaat PDF

By Gary B. Shelly, Misty E. Vermaat

Scholars are guided during the most recent developments in computing device innovations and know-how in an exhilarating and easy-to-follow structure. up-to-date for foreign money, studying pcs basics offers the main updated details at the most recent expertise in state-of-the-art electronic global

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Violation of Privacy: In many instances, where personal and confidential records stored on computers were not protected properly, individuals have found their privacy violated and identities stolen. • Public Safety: Adults, teens, and children around the world are using computers to share publicly their photos, videos, journals, music, and other personal information. Some of these unsuspecting, innocent computer users have fallen victim to crimes committed by dangerous strangers. • Impact on Labor Force: Although computers have improved productivity and created an entire industry with hundreds of thousands of new jobs, the skills of millions of employees have been replaced by computers.

In this simplified example, the item ordered, item price, quantity ordered, and amount received all represent data. The computer processes the data to produce the cash register receipt (information). Information Processing Cycle Computers process data (input) into information (output). Computers carry out processes using instructions, which are the steps that tell the computer how to perform a particular task. A collection of related instructions organized for a common purpose is referred to as software.

One design of Tablet PC, called a convertible tablet, has an attached keyboard. Another design, which does not include a keyboard, is called a slate tablet (Figure 1-16) and provides other means for typing. Tablet PCs are useful especially for taking notes in locations where the standard notebook computer is not practical. Mobile Devices Figure 1-16 The iPad is a widely used slate tablet. Mobile devices, which are small enough to carry in a pocket, usually store programs and data permanently on memory inside the system unit or on small storage media such as memory cards.

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