OCR J277 1.2.5: Compression
The free BugBot lesson that teach this point, a robot to try it on, and the past-paper questions that test it.
Lessons that teach it
- F8.9 Compression Data representation
Lossy and lossless; run length encoding and Huffman coding.
Try it on a robot
The task from F8.9 Compression, running here. Change the program and press Run.
The specification is OCR's own document; this page says which of our lessons teach point 1.2.5 and is not endorsed by the board.