My ICT Lesson


What is CRT?

CRT is a short of Cathode Ray Tube.

It is use for televisions and monitors' display screen.

It is more commonly known as a "Picture Tube".

What is LED display?

LED is a short of Light Emitting Diode.

It is a display that using an LED display element.

The regularly arranged in vertical and horizontal LED, it reflects the image out by the emission of them.

It is use in large displays such as stadium screen or street screen but also it is use in TV screen and computer screen but using a very fine LED.

What is LCD?

LCD is a short of Liquid Crystal Display.

These screens output graphical data to a video screen that uses a liquid crystal solution to display the information.

LCD screens are normally very thin and have a flat viewing surface.

Notebook computers are one of LCD screen example.