Recently data about performances in radiology department tend to increase rapidly and appropriate use of computer system is needed to monitor various jobs including schedulling of the patient, reporting of radiologic examination and film library management. The authors describe experiences in computerizing several jobs of radiology department using Apple 11 personal computer during last year, and our experiences suggest that with appropriate software and peripheral devices, personal computer can handle relatively large amount of informations about a certain functions in radiology department. The authors also put emphasis on the point that meticulous characterization and cocumentation of data is mandatory for effective use of computer system and should be done by radiologist who use or want to use or want to use computer system.