Multiple choice technology

'CRT' computer abbreviation usually means ?

  1. Cathode RGB Tube

  2. Cathode Ray Tube

  3. Cathode Random Tube

  4. Cathode Read Tube
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

CRT stands for 'Cathode Ray Tube,' the technology used in traditional computer monitors and televisions before LCD/LED screens became common. The term 'Ray' is correct - it refers to the ray of electrons that scans across the screen. 'RGB', 'Random', and 'Read' are incorrect expansions.

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