ABSTRACT
Is the computer really a new frontier opportunity and means to solve our problem is it of any help to management information system. It is the aim of research work to concentrate on computerization of management information system application of computer to customer billing system in NITEL Plc and application of computers to any transaction. The research who has chapter. Chapter one contains a general discussion of computer, its invention. It went further to state problem to be studies, meaning of management information system why this study was carried out, the scope and limitation of the study. Related literature of many authors on management information system were reviews. The data was collected through questionnaire observation and direct interview in chapter three all these were summarized and interpreted. Finally discussion of results and finding, can be seen or chapters four and five. If NITEL Plc Enugu would put the recommendations made in the study in use they will not only stratify customers with services offered, but a continuous increase in profit made thereby making NITEL problem a thing of the part.