Computer science Computer programming 39 Programming languages 28 Java 22 C++ 17 Data structures 17 Operating systems 16 Algorithms 15 C 14 Internet 14 Data mining 13 Software engineering 12 Computer architecture 11 Computer graphics 11 Computer networks 11 Multimedia 11 Microprocessors 10 Artificial intelligence 9 Cryptography 9 Information technology 9 Linux 9 Networking 9 Programming 9 Microcomputers 8 Operating system 8 HTML 7 C programming 6 Data processing 6 Mathematics 6 Multimedia systems 6