Which of the following can be represented by a single binary digit? A. The position of the minute hand of a clock.
B. The remainder when dividing a whole number by 2.
C. The value of a Boolean variable.
D. The volume of a car radio.

  B.  The remainder when dividing a whole number by 2

Explanation:

A binary digit can have the values 0 or 1. The remainder from division of an integer by 2 will be 0 or 1. Hence that remainder can be represented by a single binary digit.

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That fact can be used to do conversion of a number to binary.

answer; fosslls and artifacts;

i think the answer is b.