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Typing on a laptop keyboard. A computer keyboard is a peripheral input device modeled after the typewriter keyboard [1][2] which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches. Replacing early punched cards and paper tape technology, interaction via teleprinter -style keyboards have been the main input ...
The Dell Latitude series have dropped the initial alphabet in newer model types (as in Latitude 7480 whose predecessor was E7470), and became the successor to the popular Latitude E, D, C, and X series. The Latitudes from the early 1990s up until the C*00 lines weren't in a set "series", instead of going under the models CP and XP with ...
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.
Scroll Lock (⤓ or ⇳) is a lock key (typically with an associated status light) on most IBM -compatible computer keyboards. Depending on the operating system, it may be used for different purposes, and applications may assign functions to the key or change their behavior depending on its toggling state. [1][2] The key is not frequently used ...
A pointing stick (or trackpoint, also referred to generically as a nub or nipple) is a small analog stick used as a pointing device typically mounted centrally in a computer keyboard. Like other pointing devices such as mice, touchpads or trackballs, operating system software translates manipulation of the device into movements of the pointer ...
Natural Keyboard. The first generation of the Microsoft ergonomic keyboards, named the Natural Keyboard, was released in September 1994, designed for Microsoft Windows 95 and Novell Netware. It was designed for Microsoft by Ziba Design [4] with assistance and manufacturing by Key Tronic. [32] The Microswitch division of Honeywell, which was ...
v. t. e. In computing, input/output (I/O, i/o, or informally io or IO) is the communication between an information processing system, such as a computer, and the outside world, such as another computer system, peripherals, or a human operator. Inputs are the signals or data received by the system and outputs are the signals or data sent from it ...
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