Research ArticleOpen accessIn the keywordsAn M-Learning System Based on Mobile Phones and Quick Response CodesHend S. Al-KhalifaProblem statement: Many instructors in academia wish to know how much their students understand the content of the lecture; however, doing this manually will be very difficult and time consuming. Similarly, most students have communication problems with their instructors and they wish if they can ask their questions without any fear. So a need for a technology to bridge these … …Journal of Computer Science, Vol. 7, Issue 3 · 9 Mar 2011 · 6,931 accessesView PDFCite