Hash Set as Hanging Folders
Analogy
Colleen is an Assistant Professor of CS in the US at the University of Illinois Urbana-Champaign. Her research seeks to identify and remove barriers to CS learning and understand and optimize CS learning. Lewis curates CSTeachingTips.org, which is a project for disseminating effective CS teaching practices.
A notional machine is a pedagogic device to assist the understanding of some aspect of programs or programming.
