Question: What is a decade counter?

Options:

1. A counter that counts from 0 to 9
2. A counter that counts from 0 to 15
3. A counter that counts in binary
4. A counter that counts in hexadecimal

Correct Answer: A counter that counts from 0 to 9

Solution:

A decade counter counts from 0 to 9, which is a total of 10 states.