eXternal Data Representation

(XDR) A standard for machine independent data structures developed by Sun Microsystems for use in remote procedure call systems. It is defined in RFC 1014 and is similar to ASN.1.

Last updated: 1994-12-13

External Machine Interface

<protocol>

(EMI) A protocol primarily used to connect to short message service centres for mobile telephones. EMI is an extension to Universal Computer Protocol (UCP). EMI was was developed by CMG, now a part of LogicaCMG, the current SMSC market leader.

Each byte of the message is encoded as two hexadecimal characters using an encoding not quite like ASCII.

EMI specification

Last updated: 2007-09-10

external memory

<storage>

A vague term for slower, non-volatile storage, usually magnetic disk, in contrast to main memory which is usually volatile semiconductor RAM.

[Jargon File]

Last updated: 1997-02-17

Nearby terms:

Exterior Gateway Protocol ♦ eXternal Data Representation ♦ External Machine Interface

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