5.2 Number Bases

Question 1

What base is decimal? What numbers does it use? When is it used?

Answer 1

Decimal is base 10. it contains the numbers 0 - 9 and is used for humans to count.

Question 2

What base is Binary? What numbers does it use? When is it used?

Answer 2

Binary is base 2. It contains 2 digits 0 and 1. It is used by computers using high and low current.

Question 3

What base is hexadecimal? What numbers does it use? When is it used?

Answer 3

Hexadecimal is base 16. It uses numbers 0 - 9 and A - F. Its used for a shorter representation of binary.