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2. Computer keyboard - Wikipedia

   en.wikipedia.org/wiki/Computer_keyboard

   The keyboard sends the key code to the keyboard driver running in the main computer; if the main computer is operating, it commands the light to turn on. All the other indicator lights work in a similar way. The keyboard driver also tracks the Shift, alt and control state of the keyboard.

3. History of the graphical user interface - Wikipedia

   en.wikipedia.org/wiki/History_of_the_graphical...

   Lisp machines originally developed at MIT and later commercialized by Symbolics and other manufacturers, were early high-end single user computer workstations with advanced graphical user interfaces, windowing, and mouse as an input device. First workstations from Symbolics came to market in 1981, with more advanced designs in the subsequent years.

4. Computer mouse - Wikipedia

   en.wikipedia.org/wiki/Computer_mouse

   A computer mouse with the most common features: two buttons (left and right) and a scroll wheel (which can also function as a button when pressed inwards) A typical wireless computer mouse. A computer mouse (plural mice, also mouses) [nb 1] is a hand-held pointing device that detects two-dimensional motion relative to a surface

5. Keyboard technology - Wikipedia

   en.wikipedia.org/wiki/Keyboard_technology

   When typing on a keyboard, a person should keep the shoulders relaxed with the elbows at the side, with the keyboard and mouse positioned so that reaching is not necessary. The chair height and keyboard tray should be adjusted so that the wrists are straight, and the wrists should not be rested on sharp table edges. [20]

6. List of Logitech products - Wikipedia

   en.wikipedia.org/wiki/List_of_Logitech_products

   Logitech Craft Advanced Wireless Keyboard 2017: Membrane: ... Cordless Desktop Pro Keyboard and Wheel Mouse 1999 1x Logitech Y-RB7 Cordless Ergonomic Keyboard

7. Microsoft ergonomic keyboards - Wikipedia

   en.wikipedia.org/wiki/Microsoft_ergonomic_keyboards

   In general, ergonomic keyboards are designed to keep the user's arms and wrists in a near-neutral position, which means the slant angle (the lateral rotation angle for the keys in each half relative to the axis of the home row in a conventional keyboard) is approximately 10 to 12.5°, the slope (the angle of the keytop surfaces starting from the front edge closer to the user towards the top of ...