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                                    %u062c%u0645%u064a%u0639 %u0627%u0644%u062d%u0642%u0648%u0642 %u0645%u062d%u0641%u0648%u0638%u0629 %u0640 %u0627%u0625%u0644%u0639%u062a%u062f%u0627%u0621 %u0639%u0649%u0644 %u062d%u0642 %u0627%u0645%u0644%u0624%u0644%u0641 %u0628%u0627%u0644%u0646%u0633%u062e %u0623%u0648 %u0627%u0644%u0637%u0628%u0627%u0639%u0629 %u064a%u0639%u0631%u0636 %u0641%u0627%u0639%u0644%u0647 %u0644%u0644%u0645%u0633%u0627%u0626%u0644%u0629 %u0627%u0644%u0642%u0627%u0646%u0648%u0646%u064a%u062944A computer is a machine that accepts some kind of input, and performs actions and arithmetic operations according to a set of instructions, then return the result. All computers, regardless of size, purpose, or type, follow this method. For example, a computer in a wristwatch, accepts a command to start the timing, a person presses the button, calculates the passage of time, and shows the time on the screen to the person. PC accepts input from a person via keyboard, Programs such as word processors or games, display the results on the screen. computer diagnostics in The vehicle accepts input from engine parts, sorts the data, and stores performance information for retrieval when a problem occurs by the auto mechanic. Types of digital computers a- desktop computers The most common type of personal computer is a desktop computer that is designed to rest on a desk or table. Today's desktop computers are powerful and are used to perform a range of tasks. Not only do these machines enable people to do their jobs more easily, but they can be used to communicate, produce software and edit images, video, and advanced games. The main component of a desktop computer is the system unit, which houses computer parts, such as processing and storage devices. b- workstations A workstation is a specialized type of single-user computer that usually has more power and features than standard desktop computers. These devices are popular among scientists and engineers, who need a larger system in terms of speed and ability to perform complex tasks. c-laptop computers As the name suggests, this computer takes the form of a writing notebook with ease in a briefcase. They are called laptops because people often put these devices in their lap, and they are also called laptops. Laptops During use, the computer lid is lifted to reveal a thin screen and keyboard. When not in use, the device folds up for easy storage. Laptops are for individuals who need the power of their personal devices while on the go. d-Tablet computers 
                                
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