Khan Academy
Khan Academy: Lossless File Compression
Practice using lossless text and image compression algorithms and considering what data can be compressed most easily.
Science Buddies
Science Buddies: Image Compression vs. Image Quality: Finding the Best Tradeoff
In this project you'll learn about how digital image files are encoded, and compressed. You will also measure the quality of compressed and uncompressed images, which will give you important insights into the tradeoffs between file size...
Science Buddies
Science Buddies: Image Compression
Compare the strengths and weaknesses of different digital image formats. How does the amount of compression affect a JPEG image? What happens when you save a JPEG image multiple times?
Khan Academy
Khan Academy: Simple Image Compression
Lossless single image compression by using the algorithm run-length encoding (RLE).
University of Canterbury
University of Canterbury: Cs Unplugged
A collection of free learning activities that teach computer science through games and puzzles that use cards, string, crayons and lots of running around. The activities introduce students to computational thinking through concepts such...
Cosmo Learning
Cosmo Learning: Principles of Digital Communications I
A collection of video lectures from a course introducing students to the theory and practices in digital communications. Webpage includes twenty-four lectures from a professor at the Massachusetts Institute of Technology. Lectures vary...
Other
Stat Soft: Statistics Glossary
Dozens of statistical terms are defined and illustrated in this glossary.