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A common computer input device, a keyboard. A user presses a key which transfers information to a computer. In computing, an input device is a piece of equipment used to provide data and control signals to an information processing system, such as a computer or information appliance.
A pointing device is a human interface device that allows a user to input spatial (i.e., continuous and multi-dimensional) data to a computer. Graphical user interfaces (GUI) and CAD systems allow the user to control and provide data to the computer using physical gestures by moving a hand-held mouse or similar device across the surface of the ...
A light pen is a computer input device used in conjunction with a computer's CRT display. It is used to select a displayed menu item. A light pen can also allow users draw on the screen with great positional accuracy. It consists of a photocell and an optical system placed in a small tube.
A further complication is that a device traditionally considered an input device, e.g., card reader, keyboard, may accept control commands to, e.g., select stacker, display keyboard lights, while a device traditionally considered as an output device may provide status data (e.g., low toner, out of paper, paper jam).
• Inbox Style Select what type of inbox you want. • Mail Away Message Create and enable away messages. • Contacts Choose how you want your Contacts displayed and sorted. • New Mail Select the sound you want played when new email arrives. • Reading Select how you want your emails to be displayed in your inbox.
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 method for computers since ...
For touchscreens to be effective input devices, users must be able to accurately select targets and avoid accidental selection of adjacent targets. The design of touchscreen interfaces should reflect technical capabilities of the system, ergonomics, cognitive psychology and human physiology.
Pointing-device text input (2 C, 13 P) S. Surface computing (12 P) T. Touchscreens (5 C, 16 P) W. Webcams (2 C, 31 P) Pages in category "Computing input devices"