(1) Short for Unified Memory Architecture. A computer that has graphics chips built into the motherboard that use part of the computer’s main memory for video memory is said to have Unified Memory Architecture.
(2) Short for upper memory area, a synonym for high memory.
(3) Short for Unlicensed Mobile Access, it is the technology which provides access to GSM and GPRS mobile services over unlicensed spectrum technologies, including Bluetooth and 802.11.
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