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How is the white spot formed on the screen of a cathode ray oscilloscope?
Wiki User
∙ 9y ago
The screen is coated in a thin layer of phosphorous. This glows when bombarded by electrons.
Wiki User
∙ 9y ago
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My 32g ipod fell down the stairs and has a white screen what do i do?
try giving a hard reboot. All you have to do is hold the home button and the power button down at the same time for 30 to 60 seconds or until you get a Apple sign on your screen. if this doesnt work, i suggest you to have it check by Apple.
What is cui mode?
command user interface & graphic user interface
What is the electron gun of an cathode ray tube?
The television picture tube receives video signals from the tuner and translates the signals back into images. The images are created by an electron gun in the back of the picture tube, which shoots a beam of electrons toward the back of the television screen. A black-and-white picture tube contains just one electron gun, while a color picture tube contains three electron guns, one for each of the primary colors of light (red, green, and blue). Part of the video signal goes to a magnetic coil that directs the beam and makes it scan the screen in the same manner as the camera originally scanned the scene. The rest of the signal directs the strength of the electron beam as it strikes the screen. The screen is coated with phosphor, a substance that glows when it is struck by electrons. The stronger the electron beam, the stronger the glow and the brighter that section of the scene appears. In color television, a portion of the video signal is used to separate out the three color signals, which are then sent to their corresponding electron beams. The screen is coated by tiny phosphor strips or dots that are arranged in groups of three: one strip or dot that emits blue, one that emits green, and one that emits red. Before light from each beam hits the screen, it passes through a shadow mask located just behind the screen. The shadow mask is a layer of opaque material that is covered with slots or holes. It partially blocks the beam corresponding to one color and prevents it from hitting dots of another color. As a result, the electron beam directed by signals for the color blue can strike and light up only blue dots. The result is similar for the beams corresponding to red and green. Images in the three different colors are produced on the television screen. The eye automatically combines these images to produce a single image having the entire spectrum of colors formed by mixing the primary colors in various proportions. -Famously Unknown
Should i use a monitor with Static or dynamic contrast for photo editing?
Static contrast. With dynamic contrast the screen brightness gets lighter or darker depending on whether there is a lot of dark or a lot of white on the screen. This is an opinion of mine and I don't have any data to back it up except that I am a professional photographer and have used both.
What is text-based programming?
Object Oriented Programing allows the user to interact with the program via user interface, (buttons, checkboxes, ect.) Console programs are just a black screen with white letters. Sometimes, this is efficient though. Not all programs need to look nice.
What does the CRO have to do with the TV?
The CRO (cathode ray oscilloscope) is a device used to measure and display electrical signals. It is not directly related to TV functionality, but can be used in TV repair or troubleshooting to analyze electronic components and signal voltages.
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my nokia 2720 on and white screen
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Does the Christie's digital cinema system require a white or silver screen?
Screen is not in reality as white as it is glossy
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White light is formed when the spectral colours travel together and combine to make white light.
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you can't make the screen black and white, you need to have webcam effects in order to do that.
Is the screen in black and white, or color?
The display is black and white.
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No, but it can be formed by refraction.
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a white flame is formed by cheese and pickled onions on toast. ha you still dont know the answer
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There was island then was painted white!! :o
A red light source and a green light source shine on a white screen what color will the screen be explain answer?
It would be come a white light( it will show up to have a rainbow streak on the screen though)
Dose LG GB220 have a coloured screen or or is it black and white?
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