a) As EUC is widely spread, information systems departments in companies come to have large backlogs in software development. b) EUC is characterized with system construction and operations management by end users without using software packages at all. c) To support EUC, training in programming languages such as COBOL, C, and Java is important, and it is a key role of information systems departments. d) In order to achieve EUC, it is necessary to provide training to end users in PCs or commercially available applications, and also to select easy-to-operate development tools and provide training in those tools.