N'oge Agha Ụwa nke Abụọ, ndị na-agbapụta koodu na Bletchley Park (n'ebe ugwu London) rụpụtara ọtụtụ ihe ịga nke ọma n'ịgbapụta nkwukọrịta ndị agha nke ndị iro zoro ezo. Igwe nzuzo German, Enigma, bu ụzọ wakpo ya site n'enyemaka nke bọmbụ eletriki. Ụmụ nwanyị na-ejikarị igwe bombe ndị a. Ha wepụrụ ntọala Enigma ndị nwere ike site na ịme usoro nke nkwụsịtụ ezi uche dị na eletriki. Ọtụtụ ohere dugara na nghọtahie, na ole na ole fọdụrụ nwere ike ịnwale aka. Ajụjụ: Olee ebe dị n'ebe ugwu London site na Bletchley Park?
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