Question

Which of the following inventions was predicted by science-fiction writers?

Answer 1

I believe the correct answer from the choices listed above is the first  option. It is the calculator that  was predicted by science-fiction writers. In 1642, the Renaissance saw the invention of the mechanical calculator. Hope this answers the question. 

Answer 2

The correct answer is A) the calculator.

The invention that was predicted by science-fiction writers was the calculator.

Blaise Pascal invented the first form of a mechanical calculator at the beginning of the 17th century.  An adding machine was developed in 1886 by William Seward. Eight years later, Otto Steiger added direct multiplication. In 1966, the company Texas Instruments developed the pocket calculator. Business calculators with integrated circuits were developed in 1968.