Hamming Code Simulation

written by Teresa Carrigan

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The setup button generates a random bit pattern, of the length specified by the number-of-digits slider.

The random button generates a random number of bits, and then uses that to generate a random bit pattern.

The step button demonstrates the next step, and then stops so you can take notes. This is useful when you are first learning the method.

The go button does every remaining step, at a speed determined by the slow-motion slider. This is useful when you do not need to take notes between each step.

The show-again button starts the exact problem from the beginning. You may then click either the step button or the go button to see the same demonstration.

The quiz button will generate a random problem. Spaces and commas in your answer will be removed, so feel free to use them to help you count the digits.

The slow-motion slider is an easy way to adjust the speed of the display. Set it to zero if you want to show the final result as quickly as possible. 0.3 is a good setting for most purposes.

The number-of-digits slider determines the number of data bits to be generated when the setup button is pressed.


Applets on this website were written by Teresa Carrigan in 2004, for use in computer science courses at Blackburn College, with the exception of the Fireworks applet. The applets made with NetLogo require Java 1.4.1 or higher to run. The applets made with NetBeans require Java 1.4.2 or higher to run. Applets might not run on Windows 95 or Mac OS 8 or 9. You may obtain the latest Java plugin from Sun's Java site.