Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Passage: A makwaara ya nke ọma maka ịtọlite usoro nhazi usoro dijitalụ na 1937, mgbe ọ bụ nwata akwụkwọ afọ 21 na-agụ akwụkwọ na Massachusetts Institute of Technology (MIT) dere edemede ya na-egosi na ngwa eletriki nke Boolean algebra nwere ike ịmepụta mmekọrịta ọ bụla na-arụkọ ọrụ ọnụ ọgụgụ. Shannon nyere aka n'ọhịa nke cryptanalysis maka nchebe mba n'oge Agha Worldwa nke Abụọ, gụnyere ọrụ ya dị mkpa na ịmebi koodu na nkwukọrịta nchebe.  Ajụjụ: N'afọ ole ka e hiwere usoro ihe eji emepụta dijitalụ?
Afọ 1937