Computers Electronic data processing 27 Information technology 20 Dictionaries 13 Computer literacy 11 Juvenile literature 11 Data processing 10 Computer software 8 Microcomputers 6 Telecommunication systems 6 Access control 5 Computer networks 4 Computer science 4 Internet 4 Law and legislation 4 Study and teaching 4 Computer programs 3 Handbooks, manuals, etc 3 Information storage and retrieval systems 3 Maintenance and repair 3 Periodicals 3 Teaching aids 3 Computer input-output equipment 2 Computer security 2 Computers and civilization 2 Data base security 2 Data transmission systems 2 Handbooks, manual, etc 2 Management 2 Networks 2