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Computer Keyboards


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Published in: Technology, Education

Computer Keyboards

  1. 1. Computer Keyboards<br />
  2. 2. What is a keyboard?<br />The keyboard is an input device for a PC or other multimedia devices. <br />Keyboards are used to type text and numbers into a word processor, text editor or other program. <br />Keyboards are also used for computer gaming, either with regular keyboards or by using keyboards with special gaming features.<br />
  3. 3. Varieties of keyboard<br />The Dvorak Keyboard layout arranges keys so that frequently used keys are easiest to press, when typing common English.<br />
  4. 4. Modern keyboards<br />inventor Christopher Sholes developed the QWERTY layout to reduce the likelihood of jamming. With the advent of computers, lever jams are no longer an issue.<br />The QWERTY layout was designed to allow letters commonly used together to placed near each other.<br />
  5. 5. Future and beyond for keyboards<br />New keyboards include:<br />Multimedia buttons that give quick access to the programs or control volume.<br />Some keyboards have been produced which project a keyboard layout onto any flat surface using a laser. Using infrared key presses are detected and produce the data onto the screen<br />Flexible keyboards are made of soft plastic or silicone which can be rolled or folded on itself.<br />