Informatika No. 38 – 2011 . No. 38 ISSN 1419-2527 (Print) ISSN 2559-9593 (Online) informatika@gdf.hu . . IN MEMORIAM page 3 ANIKÓ BALOGH ONLINE TOOLS OF KNOWLEDGE MANAGEMENT IN HUNGARIAN HIGHER EDUCATION page 4 GÉZA BOGNÁR – ZOLTÁN SVÉBIS UAV MINI-AIRPLANE DEVELOPMENT USING IT FACILITIES page 10 GYURKÓNÉ ILDIKÓ BALÁZS APPLICATIONS OF INFORMATION TECHNOLOGY TO SUPPLY CHAIN MANAGEMENT page 15 ANTAL CSUKA MODELING AND SIMULATION SYSTEMS FOR 21 CENTURY page 18 BEÁTA JAROSIEVITZ ICT, MULTIMEDIA USED IN THE NATIONAL AND INTERNATIONAL EDUCATIONAL PROJECTS page 22 SÁNDOR KOPÁCSI – JÁNOS NACSA PLANNING OF AUTOMATED CELL CULTIVATION SYSTEM page 27 MIKLÓS GUBÁN – ÁKOS GUBÁN OPTIMIZING THE ESTABLISHMENT OF ASSEMBLY PLANTS WITH GENETIC ALGORITHM page 31 EDIT ROHONCZI VIRTUAL LEARNING ENVIRONMENTS: WILL THEY CONQUER THE EDUCATIONAL ARENA? page 36 .