The keyboard or the keyboard (keyboard) consists of the letters, numbers and symbols. So you can enter data into the computer. Keyboard input device. The characteristic function like a keyboard of a typewriter. In typing the letter we will use the character. The same general arranged in a typewriter, which we call the QWERTY which letters in a row on the 6 bruised. This arrangement to make the printing speed of typing declined. The reason is the company printing typewriter created. Because the mechanism of the arm of the machine M typing to overlap if someone typing too fast. And become a use long time until becoming the standard and users became familiar. The company produced products for computer keyboard and keyboard in the same way. Although the problem of overlapping sleeve printing. Next, will explain the functions of some buttons, there will be two interesting Crtl button button button button, as well as Alt is added, as well as the button. Alt work is similar, for example, when you press the Ctrl ready with the character would operate the computer. This may vary by application.
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