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Les machines programmables -La machine Analytique

Matériel didactique : Tableau noir, craies blanches

Objectif opérationnel : A la fin de cette leçon, l’élève devra être capable d'expliquer l’histoire et l'évolution des ordinateurs

Rappel

La machine de Hollerith a été inventée en quelle année ? 

Comment peut-on expliquer la naissance des ordinateurs  ?

Annonce du sujet

Qu'allons nous étudier aujourd'hui?

Rappel

Elle a été inventé en 1890.

La naissance des ordinateurs a été à partir de calculateur binaire.

Annonce du sujet

Aujourd'hui nous allons étudier la naissance des ordinateurs 

Analyse

Le calculateur binaire a été inventé par qui et en quelle année?

Analyse

Naissances des ordinateurs

Avec des recherches de la théorie appliquée menée pendant plusieurs siècles, nous présentons  la progression de l’ordinateur à partir des éléments suivants:

Calculateur binaire (ABC : Atanasoff Berry Computer)

Ce calculateur a été crée en 1941 par John Atanasoff et Clefford berry). Elle utilise des tubes à vide et comporte une mémoire et des circuits logiques. C’était le premier calculateur à système binaire et qui pouvait réaliser une addition en une seconde.

Qui a inventé Mark I et II

Mark I et II

Inventés par HAIKEN et C.LAKE entre 1939 et 1944, grâce à IBM. Il s’agit de 4 gros calculateurs à relais.

Comment est le Mark I

Le Mark I est la première machine électronique capable de stocker des données et de réaliser sur ces données de longues séries d’opérations arithmétiques..

Que comprenez-vous par la naissance de l’ordinateur?

L’ordinateur est né à partir des recherches de la théorie appliquée menée pendant plusieurs siècles.

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