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VGA Video Graphics Array (VGA) refers to display hardware first introduced with the IBM PS/2 line in 1987, VGA is now the display standard for almost all PCs. The term VGA also refers to the 15-+pin plugs and socket which establishes the connection between a computer and monitor. All PC display adapters support VGA. When you boot your system, the system starts in VGA mode until it switches to the higher resolution mode. The resolution of VGA display is 640x480 pixels with 16 or 256 colors. Related Words SVGA; SXGA; SXGA+; UXGA VGA Connector A VGA Connector is a three-row 15 pin analog connector which is the most common connection type found with computer monitors. A VGA Connector is also known as “HD-15”, where HD stands for High Density. Related Words DVI; HDMI VoIP VoIP stands for Voice over Internet Protocol, a technological innovation that allows you to make long distance phone calls using a computer or notebook over high speed Internet access. The voice modulations are converted into digital packets and are transmitted over the Internet to its destination. With a VoIP phone you can make international calls at a much lower rate as compared to the other modes of communication. Related Words ADSL; PSTN; WI-Fi VoWLAN VoWLAN stands for Voice over Wireless Local Network Areas.  IP phones convert voice to data packets and transfer that over the Internet to another landline or cell phone.  These phones have an extended feature of Wi-Fi, where the data can be transferred from the antenna to a data network through Wi-Fi radio waves or through data wire to the destination. Related Words Analog ; ATA; Broadband