Multiple choice general knowledge science & technology

Cathode Ray Tube is found in what?

  1. CPU

  2. Printer

  3. Monitor

  4. Scanner
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Cathode Ray Tube (CRT) is the core technology used in traditional computer monitors and television displays. It uses an electron gun to strike phosphorescent coating on the screen, creating images. CPUs, printers, and scanners use different technologies.

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