Learning items
Explore shared ideas across books.
Technology
ConceptMessage boundaries
A receiver needs to identify where units of a message begin and end.
VocabularyBinary state
A representation uses two distinguishable possibilities for each position.
ConceptTechnology changes geographical constraints
Technologies can alter the costs and possibilities associated with a place.
ConceptVariable-length code
A coding scheme can assign different numbers of symbols to different characters.
All items includes definitions still awaiting topic classification.