2018-2019学年度人教版必修二Unit 3 Computers-Reading课件 (共24张PPT)
2018-2019学年度人教版必修二Unit 3 Computers-Reading课件 (共24张PPT)第3页

Timeline

1642: __________________________ _______________________________ ____: the Analytical Machine was Made by Charles Babbage. 1936:___________________________ _______________________________ _______________________________ 1960s:__________________________ _______________________________ _______________________________

A calculating machine was used in France.

1822

Alan Turing wrote a book to describe how computers could be made to work.

Computers have new transistors and became smaller.