Information and Communication Technology (ICT) used in virtual learning environments offers the immediate feedback, as well as, individual, collaborative and group based assessment. Individual feedback is replaced by process oriented feedback. According to constructivism theory, feedback is focused on selective and comparative presentation of curricular objectives. Students’ achievements are analyzed by considering reproductive answers. The article offers an overview of the literature on computer based assessment concept. Also forms and design stages of the computerized tests are presented. The work describes the practical application of case study in summative assessment and of the electronic portfolios in the formative assessment.