Types of Computer Monitors and Their Functions

Types of Computer Monitors and Their Functions

Types of Computer Monitors and Their Functions

Types of Computer Monitors and Their Functions

Netgenz - Technology Computer and Internet | After studying computer hardware in the form of types of mice and types of computer keyboards, this time we will discuss monitors.

A computer monitor is a device that displays an image in the form of an image on the screen.
The displayed image is processed from input such as mouse, keyboard and has various sizes from small to large.

Monitors evolved and produced several different types of models.

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Computer Monitor Function

  • As a tool to display data in the form of graphics.
  • As a tool to display what we have input into the computer.
  • As an important part of the use of computers by users that cannot be separated.
  • Assists in running various applications such as word processing software, number processing software, etc

Types of Computer Monitors

There are 4 types of computer monitors, including:

1. Types of Computer Monitors

CRT is an abbreviation of Cathode Ray Tube which indeed describes the contents of the inside of this monitor. Often we refer to CRT monitors as tube monitors.

CRT is the invention of Heinrich Giebler in 1855 which marked the beginning of the development of computer monitors to date.

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  • CRT monitors will not experience dead pixels
  • CRT monitors can be viewed from any side.
  • CRT monitors are cheaper than other monitors.
  • CRT monitors have sharper colors.
  • CRT monitors are more durable and easier to repair if damaged.
  • CRT monitors have a screen resolution on CRT monitor will not degrade the quality of the display.


  • CRT monitors are heavy in weight because they have a tube inside.
  • CRT monitors have a large average size even though the screen is small.
  • CRT monitors have greater radiation so that users will get tired quickly if they are too long in front of a CRT monitor

  • CRT monitors waste electricity.

2. LCD Monitor

LCD stands for Liquid Crystal Display which is formed from liquid crystals.

This liquid crystal reflects light from the white neon lights behind it.

LCD was originally invented by Friedrich Reinitzer in 1888 and developed into electronic devices such as computer monitors, television projectors, etc.


  • LCD monitors are not easy to heat (give a little heat).
  • LCD monitors have a light and thin weight.
  • LCD monitors have a resolution that high LCD monitors have.
  • Power-saving LCD monitor.


  • LCD monitors are not able to display black and white colors properly.
  • LCD monitors are more expensive than CRT monitors.LCD monitors are very sensitive so touching them is not recommended.
  • LCD monitors require expensive repairs and are easily damaged.
  • LCD monitors are more prone to dead pixels.

3. LED Monitor

LED stands for Light Emitting Diode whose technology does use the role of the diode component.

The diode itself has a function as a rectifier and this technology is able to emit light when it gets a forward voltage.

The invention of the LED came from Nick Holonyak an American technician in 1962.

Now the invention is applied as a television or computer monitor and has mushroomed in various shops with various models and prices.


  • LED monitors have high contrast.
  • LED monitors are able to make the black color more visible when compared to LCD monitors.
  • LED monitors are more energy efficient.
  • LED monitors are more environmentally friendly
  • LED monitor does not make eyes tired quickly.
  • LED monitors are thinner and lighter.
  • LED monitors have a more elegant model.


  • LED monitors are more expensive than their predecessors.
  • LED monitors are prone to damage and are very expensive to repair.
  • The LED monitor is very sensitive so it should not be subject to frequent shaking or touching the screen.

4. Plasma Monitor

Plasma monitors are flat screen displays with a combination of CRT and LCD technology.

The incorporation of the CRT concept is more likely to make plasma screens superior in terms of viewing angles.

While the incorporation of the LCD concept is more likely to make plasma screens superior in weight and models that are thin and elegant.


  • Plasma monitors produce very high contrast so colors are sharper.
  • Plasma monitors have good color-producing capabilities.
  • Plasma monitors have the same wide viewing angle as CRT monitors
  • Plasma monitors are slim and elegant.


  • Plasma monitors have a low resolution, so if you want high resolution, of course, the size of the monitor must also be large. No wonder many plasma monitors are sold in large sizes.
  • Plasma monitors have a large weight despite their thin and elegant look.
  • Plasma monitors have very high-temperature performance so they consume more power.
  • Plasma monitors have limited colors even though they have a CRT concept because the image pixels only have an on/off function.
  • Plasma monitors consume more electricity.
  • Plasma monitors are very expensive.

5. Touch Screen Monitor

A touch screen monitor or touch screen is a screen that works with input in the form of touch using a finger or a special pen.

This monitor has developed since the 1980s and now in some places, touch screen monitors are often found and used.

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  • Touchscreen monitors do not require hardware such as a keyboard or mouse.
  • Touchscreen monitors are easier and faster to execute computer software.
  • Touchscreen monitors have a wider screen display.
  • The touchscreen monitor has a beautiful and attractive design.


  • More prone to damage if the touchscreen is not maintained.
  • If dropped and hit the screen, most of the functions cannot be used.
  • Repair costs are more expensive.

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