Python coding is not required in this module. Your first objective in this lesson is to understand binary numbers and hexadecimal numbers. Then, you must learn how to quickly and accurately convert between decimal numbers, binary numbers, and hexadecimal numbers. All computer professionals need these skills. If the many tools below don't give you these skills, you can find many other excellent resources online.

- Work through the "Materials" below.
- When you are sure you have mastered the six conversions below, try Quiz 3 - Number Systems. It's at the bottom of this page.

- 1 question converting from binary to decimal
- 1 question converting from decimal to binary
- 1 question converting from binary to hexadecimal
- 1 question converting from hexadecimal to binary
- 1 question converting from decimal to hexadecimal
- 1 question converting from hexadecimal to decimal

You must provide a solution, not merely an answer. Use each question's message box to explain how you arrived at your answer. Here is an example:

Question: Convert hexadecimal 4C to decimal.