The purpose of this study is to determine and compare how undergraduate students' attitudes towards on-line exams vary depending on gender and some technological variables. This study was carried out by using a survey method. As data collection tool, the Undergraduate Students Attitude Scale Towards On-line Exams which consists of 21 items, each with five response alternatives covering attitudes of undergraduate students towards on-line exams was used. Scale was developed by Author & Author (2022). In this research, scale was administered to 1361 undergraduate school students from four different universities 2020-2021 academic year in Turkey. The convenience sampling method was used for selecting participants. The data were analyzed by One-Way ANOVA and independent-sample t- tests using a statistical package program (SPSS 10.0). As a result, Wi-Fi-using undergraduate students had higher attitude scores in Taking Precautions, Individual Characteristics dimensions and in total scores of USASOE. Female undergraduate students had higher attitude scores in the Taking Precautions dimension. Moreover, students who spend more hours on the internet had higher attitude scores and in on-line exams computer using students also had higher attitudes. Finally, in the Taking Precautions dimension, students who always or sometimes attend on-line courses had more positive attitudes than the ones who never attend on-line courses.