Programming Electronic digital computers 40 Computer games 30 Development 20 Microcomputers 20 Application software 19 iPhone (Smartphone) 18 Embedded computer systems 16 Robots 15 Design 14 C (Computer program language) 13 Data processing 12 Design and construction 12 Machine-tools 10 Numerical control 10 Algorithms 9 Microcontrollers 9 Programmable controllers 9 Mobile computing 8 Computer graphics 7 Macintosh (Computer) 7 Raspberry Pi (Computer) 7 Arduino (Programmable controller) 6 Computer software 6 Artificial intelligence 5 Computer programs 5 Programming languages (Electronic computers) 5 User interfaces (Computer systems) 5 iPad (Computer) 5 Computer algorithms 4