Science and Nature Quiz for 29 December 2021
A new science quiz is available each week. Try our daily general knowledge quiz or work through our archive of daily and themed quizzes.
Question 1: What is the name of a calculating machine that originally consisted of beans or stones moved in grooves in sand or on tablets of wood, stone, or metal?
A
B
Abacus
Slide rule
C
Chisanbop
D
Difference engine