TK Electrical engineering. Electronics Nuclear engineering 435 QA75 Electronic computers. Computer science 120 HE Transportation and Communications 15 TJ Mechanical engineering and machinery 14 QA76 Computer software 13 TP Chemical technology 11 QD Chemistry 6 T Technology (General) 6 TA Engineering (General). Civil engineering (General) 6 TL Motor vehicles. Aeronautics. Astronautics 5 TK5101-6720 Telecommunication 4 HD28 Management. Industrial Management 3 Q Science (General) 3 T58.5-58.64 Information technology 3 TK7885-7895 Computer engineer. Computer hardware 3 EEG 2 HD Industries. Land use. Labor 2 HF Commerce 2 HG Finance 2 L Education (General) 2 QA Mathematics 2 R Medicine (General) 2 Unspecified 2 Autonomous Vehicles (AV) 1 Big data 1 Child abuse 1 Collaborative Information use 1 Compressed sensing 1 Computer Science and Information System (Formerly known) 1 Controller Area Network (CAN) 1