CRT Full Form

What is the full form of CRT?

The term CRT stands for Cathode Ray Tube. It is a type of vacuum tube that may contain one or more electron guns and a phosphorescent screen.  The whole system is made in such a way that it can be used to display images.

The vacuum tubes having crt acronym were crucial for CRT monitors as they helped to create images by modulating, accelerating and deflecting the beam of electrons into the screen

History of CRT

Karl Ferdinand Braun produced the earliest version of a tube having crt full form in 1897. This device used a code-cathode diode and had a phosphor-coated screen. Additionally, it was also called "Braun tube" after its inventor Karl Braun. Since then, there have been a regular improvement in the design of the Cathode Ray Tube.

Basic components of CRT

To gain knowledge about a piece of equipment it is important to learn about the components of the equipment. The tube having full meaning of crt is made up of five main components. These are electron gun, anodes, evacuated glass envelope, fluorescent screen, and horizontal and vertical deflection plates. Each of these are important for the proper functioning of the equipment.

Features of CRT

Some of the most common features of the tube having crt meaning are:

  1. They are larger and much heavier than LCDs

  2. They have a much better contrast ratio than LCD.

  3. Additionally, they also give much better visible detail in the case of dark images.

  4. Very few companies manufacture the product nowadays.

  5. Thus they have become very difficult to find.

  6. Products using CRT are unable to use all the screen space.

Uses of CRT

Several devices are known to use the tube having crt full meaning. Some of the most common applications of CRTs include

  1. Used in the cathode-ray oscilloscope.

  2. Finds application as a display device on the radar.

  3. Also used in televisions and monitors.

Advantages of using CRT

There are several advantages of using a device having a full form of crt. Some of these are:

  1. They are much cheaper than other similar products.

  2. Thus they reduce the cost of the equipment in which they are used.

  3. They can represent colors in an extremely effective manner.

  4. CRT monitors are known to be highly responsive

  5. As a result of this, such monitors face much lesser problems with blurring and ghosting.

  6. They do not get damaged easily.


It is understandable from above that the full meaning of crt is Cathode Ray Tube. Additionally, it can also be understood that there are several benefits of CRTs that have put it in a more advantageous position than other similar products. These pros have together contributed to the large scale use of CRTs in the present era.

FAQ (Frequently Asked Questions)

1. How does a Cathode Ray Tube work?

The stream of electrons is focused by a focusing anode into a tight beam and then accelerated by an accelerating anode. This tight, high-speed beam of electrons flies through the vacuum in the tube and hits the flat screen at the other end of the tube. The screen has phosphor, so it glows on the impact of the electrons.

2. How many types of CRTs are there in computer graphics?

There are two main types of CRT displays used in computer graphics. The first type, random-scan displays, are used primarily to draw sequences of line segments. The second type of CRT display is the raster-scan display. Raster-scan displays represent the screen as a logical collection of blocks known as pixels.

3. Can CRTs be recycled?

Yes, CRT can be recycled. However, for this to happen, the different components have to be disassembled which is a very complicated process.