Information About Computer Monitors
Computer Monitor also known as computer display or visual display unit. It is a piece of any machine powered by electricity in which it displays images through a device called computer. This monitor consists of display device, circuitry and enclosure. The modern monitors use the display device as TFT-LCD (Thin Film Transistor-Liquid Crystal Display) and the olden monitors make use of CRT (Cathode Ray Tube). So, these are the two types of monitors.
The Computer Monitor uses many hardware technologies to display the output. They are,
• Plasma display,• Video projectors like CRT, LCD, and DLP etc.• FED (Field Emission Display).• Vector displays etc.
The performance of the Computer Monitor can be measured using the parameters like luminance, aspect ratios, display resolution, dot pitch, response time, refresh rate and viewing angle. The various problems that take place in the monitor are dead pixels, stuck pixels, glare, incomplete spectrum etc.
The various features with the Computer Monitor are power saving, touch screen, glossy screen and integrated accessories. The major manufacturers are Acer, Apple Inc, Samsung, Sony, Dell, HP and even more. So, it shows pictures on the screen. It is an electronic device which is used to see the programs on a computer. This has a better resolution than the television and it does not have tuners to change the channels.
The screen size is based on the distance between two opposite screen corners. So, computer display modes are used to know the size of the monitor. The various interfaces are used to communicate with the computer. They are computer terminals, composite signal, digital monitors and TTL monitors. More than one monitor can be attached to the same device. This can be done in two ways and it includes,
• Mirroring or cloning,• Extension.
CRT is the picture tube of the monitor. In this, the screen is coated with the phosphor dots and each dots termed as one pixel. The back of CRT is the negatively charged cathode. So, this is important to the monitor to display the images.
Article was written by Jeffrey Frasco. Visit one of my blogs for more Computer Hardware Information.
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