The use of computer technologies has come to stay, an individual, group of individual and society who is yet to recognize this fact is merely living. The introduction of Information and Communication Technology (ICT) into the education industry has caused transformation in instructional process. The study investigated the in-service teachers instinctive variables and their competency at using interactive computer technologies (ICTCS). 240 teachers' were selected as sample for the study. Two research instruments (self concept scale, Attitude to Interactive Computer Technology Scale (AICTS) and Computer Interactive skills Scale (CISS). Correlation matrix, t-test statistics, ANCOVA and multiple regression analysis was used to analyse the data collected. The finding revealed that the instinctive variables significantly predicted the independent variable. Also, teachers gender did not make any significant contribution to their (ICTS) Competency. While teachers age and year of service significantly contribute to their ICTS competencies. A significant difference exist between the teachers age, teachers' year of service and their competency in ICTS.