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 throughout the most modern developments in laptop techniques and know-how in an exhilarating and easy-to-follow layout. up to date for foreign money, getting to know pcs basics presents the main updated info at the most up-to-date know-how in present day electronic international.

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12). 88). 88 Thank You! Figure 1-2 A computer processes data into information. 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.

A graphic artist uses software to create sophisticated drawings. This software usually is expensive because of its specialized design. Power users exist in all types of businesses. Some also work at home. Their computers typically have network connections and Internet access. Figure 1-29 This graphic artist uses a powerful computer to develop computer games. Enterprise User An enterprise has hundreds or thousands of employees or customers that work in or do business with offices across a region, the country, or the world.

0 sites. 0 refers to Web sites that provide a means for users to share personal information (such as social networking Web sites), allow users to modify the Web site contents (such as some blogs), and/or have software built into the site for users to access (such as Web applications). ETHICS & ISSUES 1-1 What Should Be Done about Identity Theft? Using e-mail and other techniques on the Internet, scam artists are employing a technique known as phishing to try to steal your personal information, such as credit card numbers, banking information, and passwords.

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