The computer enters more and more quickly the new school. Therefore an important problem is the influence of computer training on the velocity and accuracy of information processing. For this purpose were examined 28 school-children from VI-VII class, participating in computer training, computer plays and traditional lesion. This activity was carried out in the computer study of the Pioneer Palace, Sofia. An electronic determinator with test programme, containing preliminary arranged succession of 50 visual stimulants on red, blue, green, yellow and white colours, at vas used at 1,2 s. speed. The changes in the correct, delayed and wrong reactions were traced. The results as a whole point out, that the computer training, on the one hand, has no unfavourable effect on the velocity and accuracy of information processing, and on the other hand--forms positive psychoemotional adjustment to work.