1-C. One reason the base-2 system was chosen is that the "digital switches" inside the computer can be set to either ON or OFF, represented by 1 and 0, respectively.One reason the base-2 system was chosen is that the "digital switches" inside the computer can be set to either ON or OFF, represented by 1 and 0, respectively.
2-C. In this binary system, only two digits, 0 and 1, are used; combinations of these numbers are used to represent larger numbers.In this binary system, only two digits, 0 and 1, are used; combinations of these numbers are used to represent larger numbers.
3-C. Germany's share dropped 1.2 percentage points, Canada lost 0.6 of a percentage point, the Russian Federation fell 0.2, and the United Kingdom's share dropped 0.1.Germany's share dropped 1.2 percentage points, Canada lost 0.6 of a percentage point, the Russian Federation fell 0.2, and the United Kingdom's share dropped 0.1.