Number Conversion Quiz

It is important for a Computer Scientist to know the powers of 2. This quiz asks you a series of 20 questions about the powers of 2 and the log base 2. If you enter your full name, your score will be saved. If you leave the name blank, you can practice to better learn your powers of 2. It is expected that you will not use a calculator to answer these questions, but will answer from memory.
This is a timed quiz. Your score is the percentage right minus the number of seconds over 60 required to answer all of the questions. Press the start button to start the quiz. Type each answer and press enter. You can take the quiz again by pressing the start button again. Each quiz asks 20 or 0101002 questions.

Enter your name