...a program. Programs usually reside ithin computer and are retrieved and processed by computers electronics and the program results are stored or routed to output devices, such as video display monitors or printers. Computers are used to perform a ide variety of activities ith rediability , accuracy, and speed. People use computers in a ide variety of ays. In homes, tiny computers embedded in the electronic circuitry of most appliances control the indoor temperature, operate home security systems, tell the time, and turn videocassette recorders on and off. Computers in automobiles regulate the .. of fuel, thereby increasing gas mileage. Computers also entertain, creating digitized sound on stereo system or computeranimated features from a digitally encoded laser disc. Computer programs, or applications exist to aid every level of education, from programs that teach simple addition or sentence construction to programs that teach advanced calculus. Computer are used extensively in scientific research to solve mathematical problems displays complicated data, or model systems that are too costly or impractical to build, such as testing the air floro around the next generation of spaces shuttles. hen a computer is turned on it searches for instructions in its memory. Usually, the first set of these instructions is a special program called the operating system hich is the softare that makes the computer ork. Popular operating system such as Microsoft indos and the Macintosh system have a graphical user interface that is, a display that uses tiny pictures, or icons to represent various commands, the user clicks ith the mouse on the icon or presses a combination of keys on the keyboard. I think the computers is the future of the orld. HmHsHmHsH5CJ aJ mHsH Ts1iIaa,1h. A!Rannia8i8NormalCJsHaJmHsHtHAiDefault Paragraph FontiiBalloon TextCJOJaQJaJaaJ.Ui.HyperlinkBphKPaDVDiDtMy DocumentstNETtREFERATEtREFERATE.ROtENGLEZAtENG12tE
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