The study was conducted to investigate the extent of availability of computer systems and accessories for effective teaching and learning in senior secondary schools in Enugu North Local Government Area. The population of the study consisted of two hundred and forty teachers and students in senior secondary school in Enugu North L.G.A simple Survey research was used for the research design and simple random sampling techniques were used to select the subject for the study which is one hundred and forty (140) were administered,( 120) were returned duly completed while twenty (20) were not returned. Four (4) research questions guided the study. The questionnaire was used in data analysis. A mean of 2.50 and above was adopted as a cut of mark for the acceptance of items. The result findings showed that the computer systems and accessories for teaching and learning computer science in schools, are largely unavailable. Based on this, some implications of the study and recommendations were made.