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A monitor port is a port used to establish the connection between the monitor and computer in order to display the computer's output. The connection can be either analog or digital. Most computers, laptops and other portable devices have built-in hardware, modules and monitor sockets to support monitor ports.
Connection to a monitor port is required in order to get an output display. Some of the most common types of such monitor ports include:
Video graphics array is mainly used for analog signals, whereas all others are digital. Digital visual interface does not generally carry audio signals, and it provides a higher quality signal compared to video graphics array. The signal quality of both DVI and VGA is impacted by the length and quality of the cable used. High-definition multimedia interface connectors are less expensive and can carry audio signals as well. However, at times for high frame rates and high resolutions, it is less suited and might require newer hardware to support it. DisplayPort is an open-standard connector similar to HDMI, and it can also carry audio. Adapters are also available for converting one format to another.