The monitor displays the video and graphics information generated by the computer through the video card. Monitors are very similar to televisions but usually display information at a much higher resolution. Monitors come in two major types – LCD or CRT. CRT monitors look much like old-fashioned televisions and are very bulky in size. LCD monitors are much thinner, use less energy, and provide a greater graphics quality.
1. CRT monitor:
A cathode ray tube (CRT) monitor is an analog computer display with a large, deep casing. This type of monitor uses streams of electrons that activate dots or pixels on the screen to create a full image. As the electrons hit the phosphors on the CRT, the phosphor will glow with certain intensities. As a new line begins, the gun will then begin at the left and continue right. The gun will repeat this process sometimes thousands of times until the screen has been completely drawn line by line. Once the phosphors on the CRT have been hit with an electron they will only glow for a short period of time; because of this, the CRT must be refreshed, which means the process will be repeated as explained above.
2. LCD Monitors:
An LCD monitor is a thin, light computer monitor that displays images through the use of a liquid crystal display. LCD screens are found in most laptop computers as well as in flat-panel monitors. The display is created by sending various voltages of electricity to cells of liquid crystal causing the liquid crystal to untwist at the rate of electricity applied, generating 64 different shades per cell.
3. A TFT monitor:
It uses thin-film transistor technology in an LCD display. Nearly all LCD monitors today use TFT technology.
4. Light-emitting diode (LED):
Light-emitting diode (LED) screens are liquid crystal display screens that use LED backlighting.
5. Pixel resolution:
A pixel (short for picture element,) is one of the many tiny dots that make up the representation of a picture in a computer’s memory. The pixel counts are referred to as resolution, is described Pixel resolution with a set of two positive integer numbers, where the first number is the number of pixel columns (width) and the second is the number of pixel rows (height), for example as 640 by 480.
6. Monitor Size:
The size of the monitors is measured diagonally and comes in various sizes. The sizes are 12 inch, 14 inch, 15.6 inch, 18.5 inch, 19.5 inch, 21.5 inch, and 23 inch, etc.,
