Artificial intelligence Software Engineering 16 Computer programming / software development 14 Computer networking & communications 13 Mathematical theory of computation 9 Computer modelling & simulation 8 Computer science 8 Information retrieval 7 Algorithms & data structures 6 Systems analysis & design 6 Expert systems / knowledge-based systems 5 Information technology: general issues 5 User interface design & usability 5 Data mining 4 Ethics & moral philosophy 4 Network hardware 4 Programming & scripting languages: general 4 Robotics 4 Automatic control engineering 3 Image processing 3 Communications engineering / telecommunications 2 Computer hardware 2 Computer security 2 Computer-aided design (CAD) 2 Databases 2 Discrete mathematics 2 Machine learning 2 Natural language & machine translation 2 Production engineering 2 Sociology 2