The purpose of this study is to investigate the effects of computer courses on young individuals' computer self-efficacy, attitudes and achievement. The study group of this research included 60 unemployed young individuals (18-25 ages) in total; 30 in the experimental group and 30 in the control group. An experimental research model with pretest posttest control group was used in the research. The data collection tools were applied as pretest and posttest on both experimental and control groups. During the analysis of the obtained data, paired samples t-test and independent samples t-test were used. After the computer course it has been seen that the course developed computer self-efficacy, computer attitudes and computer achievement levels of participants.