Electronic digital computers Electronic data processing 39 Design and construction 38 Circuits 31 Evaluation 22 Data processing 12 History 12 Computer programming 10 Computer architecture 9 Logic design 9 Integrated circuits 8 Logic circuits 8 Parallel processing (Electronic computers) 8 Computers 7 Programming languages (Electronic computers) 7 Computer engineering 6 Digital electronics 6 Reliability 6 Computer software 5 Digital integrated circuits 5 Microcomputers 5 Switching theory 5 Computer networks 4 Computer programs 4 Congresses 4 Fault-tolerant computing 4 Microprogramming 4 Numerical analysis 4 Periodicals 4 Programming 4