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Computer vision syndrome (CVS) is a condition resulting from focusing the eyes on a computer or other display device for protracted, uninterrupted periods of time and the eye's muscles being unable to recover from the constant tension required to maintain focus on a close object.
A computer terminal is an electronic or electromechanical hardware device that can be used for entering data into, and transcribing [1] data from, a computer or a computing system. [2] Most early computers only had a front panel to input or display bits and had to be connected to a terminal to print or input text through a keyboard.
The ADM-3A was an influential early video display terminal, introduced in 1976. [1] It was manufactured by Lear Siegler and had a 12-inch screen displaying 12 or 24 lines of 80 characters. It set a new industry low single unit price of $995. [a] Its "dumb terminal" nickname came from some of the original trade publication advertisements. [2]
Refreshable braille display. A refreshable braille display or braille terminal is an electro-mechanical device for displaying braille characters, usually by means of round-tipped pins raised through holes in a flat surface. Visually impaired computer users who cannot use a standard computer monitor can use it to read text output.
External studies and internal reports alike have shown time and time again the negative impact social media can have on teens' mental health, leading to a range of safety precautions across platforms.
The DEC VT100 video display terminal. The first popular video terminal to support these sequences was the Digital VT100 , introduced in 1978. [ 2 ] This model was very successful in the market, which sparked a variety of VT100 clones, among the earliest and most popular of which was the much more affordable Zenith Z-19 in 1979. [ 3 ]
Some parents want to have access to their children for safety concerns — or in the event of everyone's worst nightmare, a mass shooting — or for more mundane reasons, like coordinating rides ...
DisplayPort (DP) is a proprietary [a] digital display interface developed by a consortium of PC and chip manufacturers and standardized by the Video Electronics Standards Association (VESA). It is primarily used to connect a video source to a display device such as a computer monitor. It can also carry audio, USB, and other forms of data. [1]