Normally cathode ray tube is also called as:

scanner

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detector

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transmitter

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modulator

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Solution

The correct option is A scanner
The Cathode Ray Tube (CRT) is a vacuum tube that contains one or more electrons guns and a phosphorescent screen and is used to display images.It modulates, accelerates and deflects electron beam (C) onto the screen to create the images, Due to this function it can be called as scanner.

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Similar questions

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