Video Output Devices

Definition:-
A Video output device is a computer peripheral that users to view information
On a computer system. Similarities between video output devices include:

• All video output devices display an image of some type.
• They all have controls to change the settings for the device.
• They connect to the computer system using a cable.

Differences between video output devices include:

• The size and shape of the display.Monitors are measured diagonally across the glass screen.

• The location and type of controls. Controls could be separate buttons for each function.

• Some have a curved screen and others have a flat screen.

• some use analog signals and some use digital signals. Analog signals are carried on 15-pin VGA cables to the video port on the computer.

• Some use Cathode Ray Tube(CRT) technology and others use Liquid Crystal Display(LCD) technology

• The way they produce the image varies:

1. CTRs use a Phosphorous coating inside a glass screen
2. LCD monitors use different colored sandwiched between two sheets of plastic.