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What else can I help you with?
How did touch screen start?
The forerunner to the touch screen was the light pen. A light pen would be used to select buttons or check boxes on a standard CRT.
When you are on your iPod and you put a completely black picture up why does light still come from the screen?
iPods and other devices use a backlight, a luminescent underlay beneath the translucent screen. The screen itself doesn't completely block the light out, even if the screen is displaying a black image.
If the screen go's black but has a straight line of light going across screen middle of screen is this the picture tube that is bad?
Yes, it is.
How do electronic video projectors project black?
Black is considered as the `absence of light', or the complete absorption of the visible spectrum, from which no light reflects. In video projectors, the light is completely blocked from reaching the screen, creating the same effect. It appears to be black because you're usually watching it in a darkened room and in relation to the brighter areas on the screen, your mind perceives it as being black. In reality, if you were to look at the screen, you'd still see that there's no light hitting it to reflect back to your ryrs from the screen.
A red light source and a green light source shine on a white screen what color will the screen be?
If the screen is actually white, it will absorb all light and appear black to your eye. If the screen appears white in normal light, all light will be reflected resulting in the combination of green and red (brown/yellow).
Why do the first three buttons on the stereo not light upThe buttons that are programmed for the radio stations?
Lighted push buttons typically have tiny light bulbs or LEDs inside the buttons. My guess is that the problem is as simple as a few burned out tiny light bulbs.
Westinghouse LCD TV problems?
Westing house tv has a light black square in the center of the screen
How do you set the clock on a 1994 Silverado?
Push the set button and with the set light on, press either the scan or seek buttons to change the hours and minutes. GoodluckJoe
What are the three buttons on the dash for on a 1995 Mercedes Benz?
2 are the instrument light dimmer buttons and the other is 2 reset the service light
What is the back light used for on super Mario 64 for Nintendo DS?
If you turn it off, the screen goes black. All of the game is still there, but the screen is black. You might want to turn it off just for fun, but when you are actually playing, KEEP IT ON.
Why is the light unable to reach the screen?
Explain why the light is unable to reach the screen
Why does your computer screen flash black when starting up?
Reason for black screen:When the computer will not boot up, it sound like it is booting as the CPU fan is running and the lights are on. It also finds the CD ROM but it won't boot from a CD either.Sometimes when you have a computer black screen on startup and the power switch light will be green and then turns to orange or amber. Everything is running.Everything seems to be running but you can't see anything on the screen, not even a flashing cursor. Your black screen in Windows has occurred before the Windows logo screen.
