conclusions the potential risk and prevalence of ulmsds among computer users of medical sciences university were less than those of technical-engineering university due to following ergonomic principles. rula found to be a proper method for the assessment of the ergonomic risk factors of the ulmsds in order to prevent such disorders. background along with widespread use of computers, work-relat...

over the last few years, role of computers has become a controversial issue in language learning. this study was designed to examine the impact of computer anxiety and computer self-efficacy on the speaking section of the toefl ibt test taken by intermediate efl learners. the researchers intended to find out, which var- iable i.e. computer anxiety and/or self-efficacy would result in better per...

sorting and classification of agricultural products by machine vision system reduce costs and increase quality and accuracy. this research was performed to develop an algorithm and machine vision system for separating dirty and defects eggs and classifying by volume and weight. this machine installed on transport line egg in agriculture included a digital camera, computer and mechanical device ...