Fiche à imprimer : Alan Turing : casser le code Enigma (3e)

Anglais	Français
a codebreaker	un casseur de codes, un cryptanalyste
Bletchley Park	le centre secret de décryptage britannique
The Enigma code was broken.	Le code Enigma a été cassé.
the father of computer science	le père de l'informatique
He was prosecuted because he was gay.	Il a été poursuivi en justice parce qu'il était homosexuel.
He received a royal pardon in 2013.	Il a reçu une grâce royale en 2013.

Le mathématicien Alan Turing est l'un des pères de l'informatique : dès 1936, il imagine une « machine universelle » capable de faire n'importe quel calcul. Pendant la Seconde Guerre mondiale, à Bletchley Park, il aide à casser le code Enigma, utilisé par l'armée allemande, ce qui a sans doute raccourci la guerre. Pourtant, en 1952, il est condamné parce qu'il est homosexuel, ce qui était alors illégal au Royaume-Uni. Il meurt en 1954, à 41 ans. Il a été gracié en 2013, et son portrait figure sur le billet de 50 livres depuis 2021.

Mise en situation : l'exposé

Hugo : My presentation is about Alan Turing. He worked at Bletchley Park during the Second World War.

Mon exposé parle d'Alan Turing. Il a travaillé à Bletchley Park pendant la Seconde Guerre mondiale.

Teacher : What did he do there?

Qu'y faisait-il ?

Hugo : He helped to break the Enigma code. German messages were decoded, and thousands of lives were saved.

Il a aidé à casser le code Enigma. Des messages allemands ont été décodés, et des milliers de vies ont été sauvées.

Inès : And he invented computers, didn't he?

Et il a inventé les ordinateurs, c'est ça ?

Hugo : His ideas are the basis of modern computers. But in 1952, he was punished because he was gay. It was illegal at the time.

Ses idées sont à la base des ordinateurs modernes. Mais en 1952, il a été puni parce qu'il était homosexuel. C'était illégal à l'époque.

Teacher : A terrible injustice. Today, he's a national hero and he's on the fifty-pound note.

Une terrible injustice. Aujourd'hui, c'est un héros national, et il figure sur le billet de cinquante livres.

À retenir

a mathematician, a codebreaker, a code, a message, a machine, a computer, an injustice, a pardon.
was broken, were decoded, were saved, was punished (passif) ; didn't he? (question tag).

Exercice 1 : Casser le code Enigma : exercice 1 (QCM)

Turing a travaillé pendant la guerre à...
1. Hyde Park
2. Bletchley Park
3. Buckingham Palace
Il a aidé à casser le code...
1. Da Vinci
2. Morse
3. Enigma
« un casseur de codes »
1. a code broker
2. a code maker
3. a codebreaker
« Le code a été cassé. »
1. The code broken was.
2. The code was broken.
3. The code was broke.
On le considère comme le père de...
1. l'aviation
2. l'informatique
3. la télévision
Il a été condamné en 1952 parce qu'il était...
1. homosexuel
2. pauvre
3. étranger
Il a été gracié en...
1. 2013
2. 1990
3. 1954
Il figure sur le billet de...
1. 5 livres
2. 1 livre
3. 50 livres
« Des milliers de vies ont été sauvées. »
1. Thousands of lives were saved.
2. Thousand of lifes were saved.
3. Thousands of lives was saved.
« une injustice »
1. an injury
2. an unjust of
3. an injustice

Exercice 2 : Casser le code Enigma : exercice 2 (à compléter)

He worked at Bletchley .......................... .
He helped to break the Enigma .......................... .
German messages were .......................... .
Thousands of lives were .......................... .
He invented computers, .......................... he?
He was .......................... because he was gay.
It was .......................... at the time.
A terrible .......................... .
He received a royal .......................... in 2013.
He's on the fifty-pound .......................... .

Exercice 3 : Casser le code Enigma : mise en situation

Il a travaillé à Bletchley Park.
1. He worked at Bletchley Park.
2. He worked in Bletchley Park of.
3. He work at Bletchley Park yesterday.
Qu'y faisait-il ?
1. What he did there?
2. What did he did there?
3. What did he do there?
Il a aidé à casser le code.
1. He helped to broke the code.
2. He helped to break the code.
3. He help to break the code.
Des messages ont été décodés.
1. Messages decoded were.
2. Messages were decoded.
3. Messages was decoded.
Il a inventé les ordinateurs, c'est ça ?
1. He invented computers, isn't it?
2. He invented computers, did he?
3. He invented computers, didn't he?
Ses idées sont à la base des ordinateurs.
1. His ideas are the basis of modern computers.
2. His ideas is the basis of modern computers.
3. Her ideas are the basis of computers.
Il a été puni parce qu'il était gay.
1. He was punish because he was gay.
2. He punished because he was gay.
3. He was punished because he was gay.
C'était illégal à l'époque.
1. It was unlegal at the time.
2. It was illegal on the time.
3. It was illegal at the time.
Une terrible injustice.
1. A terrible injustice.
2. A terrible injury.
3. A terribly injustice.
C'est aujourd'hui un héros national.
1. Today, he's a national hero.
2. Today, he national hero.
3. Today, he's a national heroine.

Corrigé

Exercice 1

1. b) Bletchley Park · 2. c) Enigma · 3. c) a codebreaker · 4. b) The code was broken. · 5. b) l'informatique · 6. a) homosexuel · 7. a) 2013 · 8. c) 50 livres · 9. a) Thousands of lives were saved. · 10. c) an injustice

Exercice 2

1. Park · 2. code · 3. decoded · 4. saved · 5. didn't · 6. punished · 7. illegal · 8. injustice · 9. pardon · 10. note

Exercice 3

1. a) He worked at Bletchley Park. · 2. c) What did he do there? · 3. b) He helped to break the code. · 4. b) Messages were decoded. · 5. c) He invented computers, didn't he? · 6. a) His ideas are the basis of modern computers. · 7. c) He was punished because he was gay. · 8. c) It was illegal at the time. · 9. a) A terrible injustice. · 10. a) Today, he's a national hero.