Display devices can use several different types of connectors.
1) VGA : The DB-15 high-density Video Graphics Array (VGA) connector is the most common connector for LCD monitors. Pins 4, 11, 12, and 15 receive information from the monitor, while pins 1, 2, 3, 13, and 14 send information to the monitor.
2) DVI: Digital Video Interface (DVI) cables keep data in digital form from the computer to the monitor. There is no need to convert data from digital information to analog information. LCD monitors work in a digital mode and support the DVI format.
· DVI-digital (DVI-D) is a digital-only format. It requires a video adapter with a DVI-D connection and a monitor with a DVI-D input. The connector contains 24 pins/receptacles in 3 rows of 8 above or below a ﬂat blade, plus a grounding slot for dual-link support. For single-link support, the connector contains 18 pins/receptacles.
· DVI-integrated (DVI-I) supports both digital and analog transmissions. This gives you the option to connect a monitor that accepts digital input or analog input. In addition to the pins/ receptacles found on the DVI-D connector for digital support, a DVI-I connector has 4 additional pins/receptacles to carry an analog signal.
3) HDMi : High-Deﬁnition Multimedia Interface (HDMi) is the ﬁrst industry-supported uncompressed, all digital audio/video interface. HDMi uses a single cable to provide an interface between any audio/ video source, such as a set-top box, DVD player, or A/V receiver and an audio and/or video monitor, such as a digital television (DTV).
4) S-Video:Separate Video (S-Video) is an analog video signal that carries the video data as two separate signals (brightness and color). S-Video works in 480i or 576i resolution.
5) Component/RGB : Component video is a type of analog video information that is transmitted or stored as two or more separate signals. Analog video signals (also called components) must provide information about the amount of red, green, and blue to create an image. The simplest type, RGB, consists of three discrete red, green, and blue signals sent down three coaxial cables.
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