I chose the topic on the development of computer competences in preschool age, because such competences are increasingly affecting the educational process of today. A computer is an intellectual tool that bears the hallmark of the times we live in. The topic is covered through four chapters. Chapter one talks about a computer in a child's environment. The advantages and disadvantages of using a computer at early age are highlighted, precisely for reasons to recognize the importance for educators to become computer-competent to transfer their knowledge to children of a certain age. There are also presented research findings from China and Greece. The second chapter defines competency and shows three competency models through three tables. It talks about competencies that are desirable in both children and adults. Also, the knowledge and skills needed for the 21st century have been clarified. Chapter three discusses the role of parents and educators in children's information literacy. It is certain that the task of all those who encounter children at their earliest ages is extremely great, precisely because they are the ones who, among other things, instill lasting life values. Therefore, it is important that these values are of high quality and in line with the child's overall development. Also there are presented the results of the 2016. - Use of Media at Home The last section presents the results of the research conducted with the aim of finding out what parents' attitudes are about the development of computer competences of preschool children. The research was conducted from July to September 2019 and the results are presented in the thesis.