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La Genèse... Chacun y va de sa version. Hé bien, les informaticiens ont la leur! Elle est... surprenante! Et, évidemment, elle comporte peut-être un bug ou deux! Et si vous voulez savoir ce qu'il a fait la deuxième semaine... regardez à la fin de ce texte! Et priez ! Après la genèse de l'informatique, vous avez maintenant accès à genèse d'un projet informatique. |
In the beginning...:
God created
the bit. And the bit was a zero.
On the
first day :
On the
first day, He toggled the 0 to 1, and the Universe was.
(In those days, bootstrap loaders were simple, and
"active low" signals didn't yet exist.)
(le "boostrap loader" est le petit
programme de chargement qui permet au système de
s'intialiser)
On the
second day :
On the second day, God's boss wanted a demo, and tried to
read the bit. This being volatile memory, the bit
reverted to a 0.
And the universe wasn't.
God learned the importance of backups and memory refresh,
and spent the rest of the day (and his first all-nighter)
reinstalling the universe.
On the
third day :
On the third day, the bit cried "Oh, Lord! If you
exist, give me a sign!"
And God created rev. 2.0 of the bit, even better than the
original prototype.
Those in Universe Marketing immediately realized that
"new and improved" wouldn't do justice to such
a grand and glorious creation.
And so it was dubbed the Most Significant Bit. Many bits
followed, but only one was so honored.
("rev." stands for
"revision" : numéro de version)
On the
fourth day :
On the fourth day, God created a simple ALU with 'add'
and 'logical shift' instructions. And the original bit
discovered that -- by performing a single shift
instruction -- it could become the Most Significant Bit.
And God realized the importance of computer security.
("ALU" Arithmetic and Logic Unit :
unité arithmétique et logique
"shift" : décalage)
On the fith
day :
On the fifth day, God created the first mid-life kicker,
rev. 2.0 of the ALU, with wonderful features, and said
"Forget that add and shift stuff. Go forth and
multiply." And God saw that it was good.
On the
sixth day :
On the sixth day, God got a bit overconfident, and
invented pipelines, register hazards, optimizing
compilers, crosstalk, restartable instructions, micro
interrupts, race conditions, and propagation delays.
Historians have used this to convincingly argue that the
sixth day must have been a Monday.
On the
seventh day :
On the seventh day, an engineering change introduced an
O.S. [name here the one you dislike
most] into the Universe, and it
hasn't worked right since.
Et après
??? :
Rien que vous vous : la deuxième semaine !!!
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