Development 24 Examinations 23 Application software 18 Certification 18 Electronic data processing personnel 15 Computer networks 14 Computer security 14 Machine learning 12 Python (Computer program language) 12 Java (Computer program language) 9 Cloud computing 8 Management 8 Security measures 8 Computer programming 7 Computer software 7 Data mining 6 Electronic data processing 6 Operating systems (Computers) 6 Data processing 5 Linux 5 JavaScript (Computer program language) 4 Natural language processing (Computer science) 4 Penetration testing (Computer security) 4 Project management 4 Agile software development 3 Artificial intelligence 3 Computer technicians 3 Computing Technology Industry Association 3 Microcomputers 3 Virtual computer systems 3