【单选题】Modern computers based on ( ) are millions to billions of times more capable than the early computers, which occupy a fraction of the space. Simple computers are small enough to fit into mobile device...
【单选题】Much unfriendly feeling towards computers has been based on the fear of widespread unemployment resulting from their introduction.Computers are often used as part of automated (自动化的) production system...
A.
the possible widespread unemployment caused by their introduction