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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 spoke about his past relationship with Natalie Portman in a recent interview He claimed in his 2019 memoir that he dated the actress in 1999 when he was 33 and she was 18
  • Kinks guitarist Dave Davies hits back at Moby for calling 1970 single . . .
    The band’s co-founder responded to the US musician’s comments, defending the song and saying they are ‘not transphobic’ The Kinks co-founder and guitarist Dave Davies hit back at Moby
  • Person narrating Moby Dick 7 Little Words
    After checking every entry in our 7 Little Words archive, we found exactly one answer that matches the clue Person narrating Moby Dick 7 Little Words Our records show that this answer, which uses 7 letters, first appeared in the puzzle published on April 3 2026 If you are working on today’s grid, this single match should point you in the right direction without needing extra hints
  • Moby Premium - Expert Investment Research
    Join over 30 million people using Moby to make smarter investments with easy-to-understand research from the world's top analysts Our AI analyzes market data, revealing high-conviction opportunities most investors miss It powers all our research, turning complex data into clear, actionable insights
  • Complete List Of Moby Albums And Discography
    Moby is the eponymous debut studio album by American musician Moby, released in 1992 This album marked Moby’s transition from a DJ and remixer to a notable figure in the electronic music scene
  • ‘Gross and transphobic’: Why is Moby taking shots at . . . - Euronews
    American musician Moby is no fan of The Kinks' hit song 'Lola', describing its lyrics as "gross", "transphobic" and "unevolved"
  • Moby - Facebook
    Moby 2,749,842 likes · 9,820 talking about this Vegan for life





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