According to the Theory of Languages in Contact, adaptation of original language model into anglicisms is carried on four levels, of which every one has its theoretic base. On that four levels, i.e. ortographical level, phonological level, morphological level and semantic level, changes which define form and meaning of anglicisms in Russian language are carried out. The diploma thesis presents and explains the adaptation of loanwords from computational terminology from English to Russian language on the morphological level. In the process of adaptation of a model into the replica, morphemes of the donor language are harmonized with the morphological system of the recipient language. That adaptation or substitution at the morphological level is applicable firstly on the basic form of loanword no matter which type of word it belongs to, and then on morphological categories associated with that word, and then continues with the changeable forms of loanword according to which type of words it belongs to. In his book Theory of Language in Contact, Rudolf Filipović cites three different types of adaptation on the morphological level, i.e., transmorphemization: zero transmorphemization (transfer of free morphemes from the recipient language to the donor language), compromise transmorphemization (transmission of the English bound morpheme to the recipient language) and complete transmorphemization (replacement of suffixes from the donor language with adequate suffix in the recipient language).