Mobile Subscriber Integrated Services Directory Number
A number string used to uniquely identify a mobile telephone subscriber in GSM, CDMA and UMTS mobile networks. The number is formatted according to the E.164 numbering plan, consisting of a country code (CC), national destination code (NDC) and subscriber number (SN).
See also: IMSI, IMEI, The GSM Specifications.Last updated: 2006-12-28
Mobile Triton
(Official name 82430MX) A version of Intel's Triton I processor chip set intended for mobile computers.
Mobile Triton consists of one 82437MX and two 82438MX. [Special features?]Last updated: 1996-04-03
mobo
motherboardMOBSSL-UAF
Merritt and Miller's Own Block-Structured Simulation Language-Unpronounceable Acronym For. A l for interactive continuous simulation. ["MOBSSL - An Augmented Block Structured Continuous System Simulation Language for Digital and Hybrid Computers", M.J. Merritt et al, Proc FJCC 35, AFIPS (Fall 1969)].Last updated: 1995-01-31
moby
<jargon>
/moh'bee/ (From MIT, model railroad fans. From Melville's "Moby Dick", some say from "Moby Pickle") Large, immense, complex, impressive. "A Saturn V rocket is a truly moby frob." "Some MIT undergrads pulled off a moby hack at the Harvard-Yale game."
The maximum address space of a computer. For example, a 32-bit address register can address 4,294,967,296 different locations or four gigabytes if each location is a byte. This term entered hackerdom with the Fabritek 256K memory added to the MIT AI PDP-6 machine, which was considered unimaginably huge when it was installed in the 1960s (at a time when a more typical memory size for a time-sharing system was 72 kilobytes). Thus, a moby is classically 256K 36-bit words, the size of a PDP-6 or PDP-10 moby. Back when address registers were narrow the term was more generally useful, because when a computer had virtual memory mapping, it might actually have more physical memory attached to it than any one program could access directly. One could then say "This computer has six mobies" meaning that the ratio of physical memory to address space is six, without having to say specifically how much memory there actually is. That in turn implied that the computer could timeshare six "full-sized" programs without having to swap programs between memory and disk. Nowadays the low cost of processor logic means that address spaces are usually larger than the most physical memory you can cram onto a machine, so most systems have much *less* than one theoretical "native" moby of core. Also, more modern memory-management techniques (especially paging) make the "moby count" less significant. However, there is one series of widely-used chips for which the term could stand to be revived --- the Intel 8088 and 80286 with their incredibly brain-damaged segmented-memory designs. On these, a "moby" would be the 1-megabyte address span of a segment/offset pair (by coincidence, a PDP-10 moby was exactly one megabyte of nine-bit bytes). [Jargon File]Last updated: 1997-10-01
Nearby terms:
Mobile Subscriber Integrated Services Directory Number ♦ Mobile Triton
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