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Keystroke dynamics, keystroke biometrics, typing dynamics, or typing biometrics refer to the collection of biometric information generated by key-press-related events that occur when a user types on a keyboard. [1] Use of patterns in key operation to identify operators predates modern computing, [2] and has been proposed as an authentication ...
Ctrl+Alt+Show Windows then move mouse and click Save screenshot of arbitrary area as file ⇧ Shift+⌘ Cmd+4 then click+drag mouse over required area: Print Screen click+drag mouse over required area, then ↵ Enter : Ctrl+⇧ Shift+Show Windows then click+drag mouse over required area Copy screenshot of arbitrary area to clipboard (Snip)
Overhead view of DataHand units that provide full computer keyboard and mouse functionality The right-hand of a Professional II keyboard [1]. The DataHand is an unconventional computer keyboard introduced in 1990 by DataHand Systems, Inc., designed to be operated without any wrist motion or finger extension.
Click Bar 50 g 50 g 60 g 1.8 mm 4.0 mm Plate mounting No Yes 80 million Kailh Kailh BOX Glazed Green MX Type stem Clicky Click Bar 50 g 50 g 50 g 1.8 mm 3.6 mm Plate Mounting No Yes 80 million Kailh Kailh BOX Jade MX Type stem Clicky Click Bar 50 g 50 g 60 g 1.8 mm 3.6 mm Plate Mounting No Yes 80 million Kailh Kailh BOX Pale Blue
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.
A typical 105-key computer keyboard, consisting of sections with different types of keys. A computer keyboard consists of alphanumeric or character keys for typing, modifier keys for altering the functions of other keys, [1] navigation keys for moving the text cursor on the screen, function keys and system command keys—such as Esc and Break—for special actions, and often a numeric keypad ...
Another advantage of WASD is that it allows the user to use the left-hand thumb to press the space bar (often the jump command) and the left-hand little finger to press the Ctrl or ⇧ Shift keys (often the crouch and sprint commands), as opposed to the arrow keys which lack other keys in proximity to press.
Mouse keys is a feature of some graphical user interfaces that uses the keyboard (especially numeric keypad) as a pointing device (usually replacing a mouse). Its roots lie in the earliest days of visual editors when line and column navigation was controlled with arrow keys .