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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
    Richard Melville Hall (born September 11, 1965), known professionally as Moby, is an American musician, songwriter and animal rights activist He has sold 20 million records worldwide
  • 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 as 'Play', '18', 'Hotel', 'Wait For
  • Moby Says Its Hard for Me to Make Sense of His Past Relationship . . .
    Moby Admits It's Still 'Hard for Me to Make Sense' of Natalie Portman's Negative Comments About Their Past Relationship The singer claimed in his 2019 memoir that he dated the actress in 1999 when
  • 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
  • Best of Moby - YouTube
    A collection of Moby’s biggest and most popular songs – includes “Porcelain,” “Natural Blues,” “Flower,” “Why Does My Heart Feel So Bad?” and “Extreme Ways” as well as some of the recent
  • Moby - Facebook
    Moby 2,810,083 likes · 75,381 talking about this Vegan for life
  • moby xⓋx (@moby) • Instagram photos and videos
    2M Followers, 2,454 Following, 8,388 Posts - moby xⓋx (@moby) on Instagram: "Vegan for Life "
  • Moby Reveals He Hasnt Been on a Date in Over 10 Years
    Moby shares that his love life has been on hold After years of struggling with addiction, Moby became sober in 2008 and turned his life around In a new interview with The Times, the musician,
  • Moby announces new album Future Quiet with new version of . . . - NME
    Moby has announced new album ‘Future Quiet’, and dropped a reimagined version of ‘When It's Cold I'd Like To Die’ with Gabriels' Jacob Lusk





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