The teacher‘s observations of the students with intellectual disabilities‘ behavior in theclassroom and outside also show positive effects from the use of computer technology developed.Thus, the students‘ interest in the subject under study has increased, the evidence to which is thereduction of non-attendance of biology classes, pupils‘ reprobation of those classmates who are latefor biology classes. Improvement of the students‘ cognitive activity is evidenced by the fact thatthey are more likely to ask the teacher questions about the lesson, express surprise at the factsreported in biology classes, ask the teacher to carry out all subsequent lessons using this computertechnology. Increased comprehension of the academic material is demonstrated through students‘judgments, which they started making in connection with viewing animations and teacher‘sexplanations.