Some statistical analysis of design data -- Line service times and utilization -- First concepts and relations of queuing theory -- A first resuot on the single-server queue -- A general result on the single-server queue -- Termina systems with polling -- Some results on queues with priority disciplines -- Some applications of Markov processes -- Core buffer requirements -- Service times of direct-access storage devices -- Queuing for data accesses -- Final remarks on the computer center analysis -- Imbedded Markov chains of some queuing processess -- Limit utilization and wait time distribution.