This phenomenographic study opens the classroom door to investigate teachers' experiences of students learning difficult computing topics. Three distinct themes are identified and analysed. "Why" do students succeed or fail to learn these concepts? "What" actions do teachers perceive will ameliorate the difficulties facing…

Described are the developments of a computing environment, the general training in the use of information technology, the training of specialists in computer science and engineering, and the use of information technology as an aid in the education process at the Royal Institute of Technology in Stockholm. (RH)