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Input Devices

Input Devices. Text Entry Devices, Positioning, Pointing and Drawing. Keyboard. QWERTY. Keyboards cont…. Alphabetic keyboard Chord keyboard. Mobile Phone Keypad. Handwriting Recognition. Simple and intuitive Slow and a high error rate. The Mouse.

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Input Devices

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  1. Input Devices Text Entry Devices, Positioning, Pointing and Drawing

  2. Keyboard • QWERTY

  3. Keyboards cont… • Alphabetic keyboard • Chord keyboard

  4. Mobile Phone Keypad

  5. Handwriting Recognition • Simple and intuitive • Slow and a high error rate

  6. The Mouse • Developed in 1964 by Douglas C. Engelbart

  7. The Mouse

  8. Touchpad • First introduced by Apple in the Powerbook.

  9. Trackball

  10. Joystick • Absolute and Isometric

  11. The End

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