Question: Which of the following best describes a positional numeral system?

Options:

1. It uses fixed symbols for each value.
2. The position of a digit affects its value.
3. It is limited to a specific number of digits.
4. It does not allow for zero.

Correct Answer: The position of a digit affects its value.

Solution:

In a positional numeral system, the position of a digit determines its value, such as in decimal or binary systems.