All of the following are late-twentieth century technological developments that have revolutionized communication except

A) development of the world wide web
B) development of the personal computer
C) development of calculating machinery
D) development of the microchip
E) development of the mouse

3 answers

I was thinking D by the way because calculating technology doesnt have much to do with communication
Microchips are EVERYWHERE!! They're in every electronic thing we have and use.

Keep thinking.
Oops I meant c.