Kinds of Monitor

There are two kinds of monitor which is used for viewing screen.
  1. Cathode-Ray Tube
  2. Flat-Panel Display

Cathode-Ray Tube
The CRT (Cathode-Ray Tube) display is made up of small picture elements called pixels. The smaller the pixels are the better image clarity or resolution. It takes at least one illuminated pixel to form a whole character. The most screens are capable of displaying 25 lines vertically and 80 characters of data horizontally.

There are some disadvantage of Cathode-Ray Tube.
  • Large in size
  • High power consumption

Flat-Panel Display Monitor
The flat-panel display refers to a class of video devices that has reduce power, volume and weight requirement of comparison to the CRT. You can hang them on walls. Current uses of flat-panel displays include video games, monitors, calculaters, graphics display and laptop computer.

It is divided into two categories -

  • Emissive Display:
  •       It converts electrical energy into light, such as LED (Light-Emitting Display) and plasma panel.

  • Non-Emissive Display:
  •       It uses optical effects to convert sunlight or light from some other source into graphics patterns, such as LCD (Liquid-Crystal Display).

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