(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.
UMA Technology Overview By deploying UMA technology, service providers can enable subscribers to roam and handover between cellular networks and public and private unlicensed wireless networks using dual-mode mobile handsets.
