Term of the Moment
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Definition: EMS
(1) (Emergency Medical Services) For vertical take-off EMS transport, see eVTOL.
(2) (Enhanced Message Service) An extension to the original cellphone text messaging service (see SMS) that added formatted text, icons, animations and ringtones. Introduced in 2001 by Alcatel, Ericsson, Motorola and Siemens, EMS was superseded by full multimedia support (see MMS).
(3) (Electronic Message Service) The part of the radio spectrum assigned to electronic messaging over digital satellite circuits.
(4) (Electronics Manufacturing Services) A company that makes electronic devices for other companies. See contract manufacturer.
(5) (Enterprise Messaging Server) The original name for Microsoft's Exchange Server. See Microsoft Exchange.
(6) The plural of "em" spacing. See em.
(7) (Expanded Memory Specification) An early technique that allowed DOS to access memory beyond 1MB. Introduced in 1985, EMS supported up to 32MB of expanded memory by bank switching through a 64KB page frame in the upper memory area (UMA) between 640K and 1M. Users had to specify how much EMS was needed, and applications such as Lotus 1-2-3 and AutoCAD built in EMS support. EMS-compliant software such as DESQview could also be run; however, switching to Windows solved the problem because Windows 3.0 allocated EMS automatically (see Windows 3.0). In IBM PC XTs and ATs, EMS required a board and driver, but 386 PCs could create EMS from extended memory. See DESQview, extended memory, EMS emulator and UMA.
(2) (Enhanced Message Service) An extension to the original cellphone text messaging service (see SMS) that added formatted text, icons, animations and ringtones. Introduced in 2001 by Alcatel, Ericsson, Motorola and Siemens, EMS was superseded by full multimedia support (see MMS).
(3) (Electronic Message Service) The part of the radio spectrum assigned to electronic messaging over digital satellite circuits.
(4) (Electronics Manufacturing Services) A company that makes electronic devices for other companies. See contract manufacturer.
(5) (Enterprise Messaging Server) The original name for Microsoft's Exchange Server. See Microsoft Exchange.
(6) The plural of "em" spacing. See em.
(7) (Expanded Memory Specification) An early technique that allowed DOS to access memory beyond 1MB. Introduced in 1985, EMS supported up to 32MB of expanded memory by bank switching through a 64KB page frame in the upper memory area (UMA) between 640K and 1M. Users had to specify how much EMS was needed, and applications such as Lotus 1-2-3 and AutoCAD built in EMS support. EMS-compliant software such as DESQview could also be run; however, switching to Windows solved the problem because Windows 3.0 allocated EMS automatically (see Windows 3.0). In IBM PC XTs and ATs, EMS required a board and driver, but 386 PCs could create EMS from extended memory. See DESQview, extended memory, EMS emulator and UMA.