Multiple choice

The mechanical or digital computing began with the invention of adding machine in 1642. Who invented this?

  1. Archimedes

  2. Blaise Pascal

  3. Isaac Newton

  4. Rene Descartes

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Blaise Pascal invented the Pascaline, a mechanical calculator/adding machine in 1642 at age 19. Archimedes lived in ancient times, Newton and Descartes were 17th century contemporaries but did not invent adding machines - Pascal's invention was the first of its kind.