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In his book The Humane Interface, Jef Raskin defines modality as follows: "An human-machine interface is modal with respect to a given gesture when (1) the current state of the interface is not the user's locus of attention and (2) the interface will execute one among several different responses to the gesture, depending on the system's current state."
Model M keyboards are a group of computer keyboards designed and manufactured by IBM starting in 1985, and later by Lexmark International, Maxi Switch, and Unicomp. The keyboard's different variations have their own distinct characteristics, with the vast majority having a buckling-spring key design and uniform profile, swappable keycaps .
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 ...
A keyboard which utilizes these abilities include the Realforce RGB. IBM's Model F keyboard is a design consisting of a buckling spring over a capacitive PCB, similar to the later Model M keyboard, but instead used membrane sensing in place of a PCB. The Topre Corporation design for switches uses a conical spring below a rubber dome. The dome ...
Show the window in full screen mode, with no border, menubar, toolbar or statusbar Depends on application, system default: ⌘ Cmd+Ctrl+F and Fn+F: Ctrl+⇧ Shift+F: Ctrl+F11: Rollup/down window Win+D Available, but no default: Show all open windows ⊞ Win+Tab ↹: F3 or F9 or Fn+F9 or Move mouse pointer to configured hot corner or active ...
[citation needed] The keyboard switch matrix is wired to its inputs, it converts the keystrokes to key codes, and, for a detached keyboard, sends the codes down a serial cable (the keyboard cord) to the main processor on the computer motherboard. This serial keyboard cable communication is only bi-directional to the extent that the computer's ...
Dell introduced the XT2 in February 2009. It was sold as a dual-mode computer with a screen that was able to be swiveled. It also featured a solid-state drive over the original XT's hard drive, which helped increase battery life. The improvements made with the N-Trig digitizer was mainly performance, not fixing its prevalent USB port or driver ...
Instead, keyboard letters and numbers are used. The diagram below shows the special characters a US Mac keyboard will produce when the Option key is pressed. [1] The highlighted orange keys show the accents available from the combination of the Alt key and the keyboard characters e i u (on the top letters row) and ` n (on the bottom letters row ...