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During the week two lecture we learnt about the history of computing and the internet. We learnt about key people and inventions such as Charles Babbage and the Difference Engine, and Alan Turning who largely contributed to the construction of the computer. The first commercial computer was produce by IBM in the 1950s. We also learnt about Xerox PRAC, MAC and the combination of IBM and Microsoft. Next was the internet and the world wide web. We learnt about its growing uses such as email, instant messaging, file sharing etc.