HOW COMPUTERS WORK
BY HANNAH EASTWELL 9B3/902
This processes the information and calculations. It is the brains of the computer. The CPU connects to the motherboard.
It connects all the components together. Everything plugs into it.
It is the memory of the computer. It holds information. This is also connected to the motherboard.
He was selected to work at Bletchley park, here his job was to decipher the messages the Germans were sending using Enigma. Within weeks of arriving there he had invented a machine that could break any Engima-coded message. Unknown to the American's and a secret to everyone out of the MI6 Britain had been deciphering messages to and from German U-boat fleets since the summer of 1940.
This machine required just the knowledge of the Enigma hardware and a plain text "crib" of around 20 characters likely to be in the message, inferred using facts such as the weather report and key dates such as Hitler's birthday and phrases used,"Hail Hitler".
In 1952 was found guilty for 'indecent' homosexual acts when it was illegal at this time. He was prosecuted and accepted oestrogen injections(a hormonal treatment) as an alternative to a prison sentence.
Turing died of cyanide poisoning in a suicide just a couple of years later.
Queen Elizabeth pardons Alan Turing of 'gross indecency' conviction in 2013.