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Mouse chording allows a user to use a two-button mouse, trackball, or touchpad as if it where a three-button device. For example, in the Unix graphical user interface (known as X11 ), the middle button is used to paste text .
Media controls on a multimedia keyboard. From top; left to right: skip backward, skip forward, stop, play/pause. Media control symbols are commonly found on both software and physical media players, remote controls, and multimedia keyboards.
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.
In a famous 1968 demonstration, [10] Engelbart introduced a computer human interface that included the QWERTY keyboard, a three button mouse, and a five key keyset. Engelbart used the keyset with his left hand and the mouse with his right to type text and enter commands. The mouse buttons marked selections and confirmed or aborted commands.
Sound generator: A rompler, typically contained within an integrated Read-only memory (ROM), which is capable of accepting MIDI commands and producing sounds. Electronic keyboard romplers usually incorporate sample-based synthesis , but more advanced keyboards might sometimes feature physical modeling synthesis .
Computer mouse is another common USB HID class device. USB HID mice can range from single-button simple devices to multi-button compound devices. Most modern operating systems ship with drivers for standard HID mouse designs (the most common modern mouse design has two dedicated buttons and a mouse wheel that doubles as the third button); mice ...
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The idea of one-hand typing is to touch type using only one hand (e.g. the left one), or mainly one hand. Its history and application are closely related to keyboard research on QWERTY and Dvorak keyboard layouts. Typing with one hand can be done in a number of ways, and novel approaches are still emerging.