A number system that uses eight digits-0, 1, 2, 3, 4, 5, 6, and 7—is called an octal number system.
True
Reason — Octal number system has only eight digits from 0 to 7. Every number can be represented with 0, 1, 2, 3, 4, 5, 6, 7 in this number system.
