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moby    音标拼音: [m'obi]
/moh'bee/ (From {MIT}, seems to have been in use
among model railroad fans years ago. Derived from Melville's
"Moby Dick", some say from "Moby Pickle") 1. 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."

2. (Obsolete) The maximum {address space} of a computer (see
below). For a 680[234]0 or {VAX} or most modern 32-bit
architectures, it is 4,294,967,296 8-bit bytes (four
{gigabytes}).

3. A title of address (never of third-person reference),
usually used to show admiration, respect, and/or friendliness
to a competent hacker. "Greetings, moby Dave. How's that
address-book thing for the Mac going?"

4. In backgammon, doubles on the dice, as in "moby sixes",
"moby ones", etc. Compare this with {bignum}: double sixes
are both bignums and moby sixes, but moby ones are not bignums
(the use of "moby" to describe double ones is sarcastic).

5. The largest available unit of something which is available
in discrete increments. Thus a "moby Coke" is not just large,
it's the largest size on sale.

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}]

(1997-10-01)


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  • Moby - Wikipedia
    Moby continues to record and release albums In addition to his music career, Moby is known for his veganism and support for animal rights and humanitarian aid In 2020 he founded Little Walnut Productions to support creative activism across film, TV, and theater projects
  • Moby - Musician, DJ, producer, photographer and director
    Across fourteen tracks that encompass modern piano minimalism, immersive ambient soundscapes and a smattering of vocal collaborations, the album finds Moby reflecting on the tension between hyper-connected modern life and the deep human need for stillness
  • Moby - YouTube
    The official YouTube channel for moby, ft live footage, DJ mixes, moby pod, breakdowns of his classic tracks as well as iconic music videos from albums such
  • Moby discography - Wikipedia
    The discography of American musician Moby consists of twenty-three studio albums, one live album, eleven compilation albums, twelve remix albums, three video albums, four extended plays, eighty-nine singles, fourteen promotional singles, a hundred and fifty-four music videos, and forty-four remixes
  • MOBY Paratransit ADA Accessible Services | Metro Transit
    MOBY provides public transportation for people with disabilities who cannot access our fixed-route bus system
  • Moby - 2026 Tour Dates Concert Schedule - Live Nation
    Find concert tickets for Moby upcoming 2026 shows Explore Moby tour schedules, latest setlist, videos, and more on livenation com
  • Moby - IMDb
    Moby Composer: Southland Tales Richard Melville Hall was born September 11, 1965, in the Manhattan, New York City, in the Harlem neighborhood to Elizabeth McBride (née Warner) and James Frederick Hall His mother was a medical secretary and his father a professor of chemistry The nickname Moby was assigned by his father, and was a reference to the book "Moby-Dick" Moby claims that Herman
  • ‎Moby - Apple Music
    Moby has worn many hats through his career, including DJ, producer, restaurateur, author, and activist Born in New York City in 1965, Richard Melville Hall began his music career in punk bands, but his interests shifted to electronic music while he was in college His 1990 debut single, “Mobility,” was followed by a slew of tracks that hit big on the club circuit, and in 1995 he released
  • Moby - iHeart
    Moby News Biography American producer, DJ, and singer songwriter Moby is one of the most important, successful, and outspoken figures in electronic music, though his work spans a variety of rock and pop styles as well
  • Moby - Montreux Jazz Festival
    Moby Swiss exclusivity A defining moment awaits: Moby performs at Montreux for the very first time this summer A quarter of a century ago, the New York visionary reshaped the global music scene with Play, which sold 12 million copies A fusion of electronic music, blues, gospel, and soul, enriched with voices collected in the […]





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