Difference between lcd and led monitor pdf
Comparison between CRT and LCD dupeliculas.com | Touchscreen | Consumer ElectronicsDisplay Technology in smartphones Traditional input devices for computer systems include keyboards and mice. In recent years, touchscreen technology has become widely used as a way to interact with computer systems, particular for mobile devices A touchscreen is an electronic visual display that a user can control by touching the screen with one or more fingers. A touchscreen allows for a much more direct interaction with what is displayed compared to a device like a mouse. Touchscreens have become very common on tablet computers, smart phones and other mobile devices. Increasingly, regular laptop and desktop computers use touchscreen displays so users can use both touch as well as more traditional ways of input. The idea of using a touchscreen goes back to the early days of computing in the s. Most systems remained very experimental until the s, when a number of commercial systems became successful The first major technology that became successful is resistive touchscreen technology.
Difference Between LED & LCD
Introduction to Computing. Technology is evolving at an exponential pace while the outstanding gadgets of the past are becoming obsolete and the new technology is rapidly replacing the old one. The trend of change for computer users is more than the people belongs to any other field of life. The computer monitors have a special role in the use of the computer as the user gets every output on it. In order to give a better experience to the user, advanced technologies are being introduced and the new monitors are light in weight, better resolution, vivid colors and harmless to the eyes. Related post: Types of Monitors.
The liquid crystals are filled between the glass electrode and when the power is applied across it, the liquid crystal becomes energised and emits light. The LED using gallium arsenide and gallium phosphide which when heated emits visible light. The LED is used for showing the numeric and alphanumeric characters.
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