Professor Dezos Sima is Director of the Department of Informatics at the Kando Polytechnic in Budapest where he has specialized in computer architecture since 1972. He has published two books and over thirty papers. Prof Peter Kacsuk is Head of the Laboratory of Parallel and Distributed System at the MTA SZTAKI research institute of the Hungarian Academy of Sciences. Terry Fountain is reader in Applied Physics at University College London. He has published four previous books on computer architecture.