The aim of this study is to determine the high school students’ attitudes and opinions towards computer and computer use. In order to reach this goal, a 61-item questionnaire was applied to totally 171 students (2 Public High Schools, 1 Anatolian Teacher High School) atending to biology lesson in 3 high schools selected with convenient sampling method in the center of Erzurum.The data were analised by SPSS 12.0 statistical program. The findings indicated the students to have generally positive attitudes towards most of items in questionnaire. Compared with high schools the students’answers, it was found out there wasn’t statistically significant difference (p>0,05) between Public High Schools although there was statistically significant difference between Public High Schools and Anatolian Teacher High School (p<0,05). Evaluating in colloboration with Likert type and open-ended questions regarding “attiudes and abilities towards computer use”, it was found out there was a negative correlation between occupation with computer and self-feeling sufficinetly. In addition, it was found out that the students utilized from computer principally for the purpose of chat, game, music and video via internet excepting assignment obligation.