A. Since the 1970s people have discovered new use for me.
B. Since the 1970s people have found me many new rules.
Listening
I have been changed quite a lot over time. I began as a calculating machine in 1642 in France. In 1822 I was built _______ ________ analytical ______. machine Then in 1936 Alan Turing wrote a as an _______ universal ______. machine As time went by, I was book and built a _______ made smaller. Since the 1970s, I have been used in offices laptop and homes, first as a ___ PC and then as a _______. These changes only became possible as my memory tubes then on transistors improved. First it was stored in ____, _______ chips In the 1960s they gave me and later on very small ____. network Now people call it the a family connected by a _______. World _____ Wide Web _____ ____ or the Internet. Many new applications have also been found for me. I have been widely applied in communication ___________, finance, trade ____, mobile phones operations and _____ space robots, _____ _____, medical ________ rockets happiness that I am a ______. I am now filled with ________ friend and helper of humans.