Cathode Ray | MCQs

Explanation

The cathode ray tube (CRT) is a vacuum tube that contains one or more electron guns

and a phosphorescent screen, and is used to display images.

Explanation

CRT (Cathode Ray Tube) is a type of output device.

It displays visual information on a screen.

Such as in old computer monitors and televisions.

Explanation

A monitor is an electronic visual computer display that includes a screen, circuitry and the case in which that circuitry is enclosed. Older computer monitors made use of cathode ray tubes (CRT), which made them large, heavy and inefficient.

A monitor is also known as a screen or a visual display unit (VDU).