background: work-related musculoskeletal disorders (wmsds) have been documented among various occupational groups in nigeria. however, there is limited data on the prevalence of wmsds among call center operators (ccos). objective: to determine the prevalence of wmsds among ccos in nigeria and to explore the extent to which these discomforts impact the daily work activities of the respondents. m...

the present research provides quantitative and descriptive data of the information service capabilities available at thehran university libraries. these include access to information resources, availability of various indexes, printed catalogs, computer terminals, access modes, working hours, membership requirements, borrowing pattens. the findings presented in form of tables, were analyzed bas...

Although the age of information appliances is getting close, current remote control devices are too awkward, and we cannot control sophisticated equipments without using graphical computer terminals. We propose a new interaction technique called the Real-world GUI, where users can control real-world appliances just like performing GUI operations on graphical computer terminals, using a new inpu...

The advent of microfilm or on-line computer catalogs raises the question: How many terminals or readers are needed? A computer simulation model was developed to provide the library administrator with information to answer this question. Based on empirical data of arrival rates and service times, systems with two to fourteen terminals are simulated. The decision variables include average patron ...