A cathode-ray tube (CRT) is a _________ tube that uses an electron gun (cathode) to emit a beam of electrons that illuminates phosphors on a screen as the beam sweeps across the screen repeatedly.

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The Answer of A cathode-ray tube (CRT) is a _________ tube that uses an electron gun (cathode) to emit a beam of electrons that illuminates phosphors on a screen as the beam sweeps across the screen repeatedly.

A Cathode-Ray Tube (CRT) Is a _________ Tube That Uses