More videos like the sample shown are available on my YouTube channel, playlist ByJO Number Bases. Fluency in the four computer number bases - ten (decimal), eight (octal), two (binary), and sixteen (hexadecimal) - is an important fundamental for any computer science student or professional. The reason for this is simple. Humans do well with decimal, or base ten, but computers do better with binary, octal, or hex. Over 200 exercises are contained in this lesson, showing the twelve different