Class notes
Class notes 420-100-OS SYSTÈME D'EXPLOITATION
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- O’Sullivan College Of Montreal ( )
Architecture interne de l’ordinateur
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Système d’exploitation IModule 1
Amir Ghasemi
2022
1
, 1. Architecture interne de l’ordinateur Module1
Bref Historique :
L’histoire des calculateurs a connu 4 Générations :
Première génération 1944-1954
Les efforts en vue de développement des calculateurs proviendront surtout
de l’armée ( pour le contrôle du réseau de radars , pour la météorologie,…).
Exemple de machine:
L’ENIAC : une Machine qui pesait 30 tonnes, contenait 18000 tubes à vide et
occupait un espace de 10m x 17m.
caractéristiques :
Systèmes à base de composants mécanique et
d’électronique à lampes.
Problèmes traités : Calculs numériques .
Amir Ghasemi
1.1. Introduction 2
, 1. Architecture interne de l’ordinateur Module1
Amir Ghasemi
1.1. Introduction 3
, 1. Architecture interne de l’ordinateur Module1
Tube à vide ( lampe)
10-15 1. Filament chauffé par une source électrique
cm auxiliaire.
2. Cathode: chargée négativement.
3. Flux d'électrons se déplaçant de la cathode
vers l'anode.
4. Anode : chargée positivement.
5. Courant électrique mesuré dans le circuit.
6. Source de tension permettant de charger
positivement l'anode.
Amir Ghasemi
1.1. Introduction 4
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