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A display monitor is an electronic device used to display video output from computers. Display monitors are used in many computer devices, ranging from personal computers (PC) and laptops to small handheld mobile devices, like cellphones and MP3 players.
A display monitor is also known as a computer screen or display screen.
A display monitor is comprised of the following:
Originally, display monitors were found only on computer devices. As screen technology has become smaller, cheaper and more powerful, display monitors have increasingly been added to a variety of devices.
Until the early 2000s, the prevailing technology was cathode-ray tube (CRT), which was less bulky with a smaller resolution and used more power. Liquid crystal display (LCD) is thinner and consumes less power but was more expensive. So, throughout the 1990s, LCDs were only used in laptops, where portability justified its pricing. Other technologies used are plasma and organic light-emitting diode (OLED).
Many companies brand their monitors as "LED," which means that LED is used for screen backlighting, versus traditional fluorescent lighting.
Monitor performance is measured according to the following main factors: