Code.org
Encoding B and W Images
Imagine drawing with zeros and ones. The third activity in a unit of 15 introduces the class to creating black and white images. Pairs get together to create an encoding scheme in order to make these images. They move on to a...
Code.org
Lossy Compression and File Formats
I'm compressed. Groups do a rapid research of different file types to determine what kind of compression the formats use and how it works. They share their information with the rest of the class until everyone has all the information for...
Code.org
Text Compression
The second lesson in a unit of 15 introduces pupils to text compression. The class begins with discussing how they already use text compression when sending text messages. Pairs learn more about the subject as they work to compress a...
Computer Science Field Guide
Computer Science Field Guide
Imagine computer science all summed up in one book. This resource provides 16 chapters that cover many aspects of computer science, ranging from algorithms to software engineering. The e-book contains links to applets to help explain...
