The aim of this study was to find out the amount of influence of a Computerized Instructional Program on the achievement for intermediate first grad students in the Arabic language grammar in Iraq. The study focused on students from the first intermediate grade, in the education directorate in the Diqar governorate in Iraq. While the study sample was intentional, that was selected by the researcher from the governorate's schools that have computers and relevant Instructional means for education. This was represented in four branches in two groups, experimental and control group (60) male and female students in the experimental group and (60) male and female students in the control group. The researcher has utilized the Computerized Instructional Program as he study instrument for the experimental group, while the control group utilized the educational program in the usual way. The achievement test to the two groups, the experimental and the control groups, and the study reached the following results. There are no differences, with statistical significance at significance level (0.5 = a), between the group's grades average achievement in the Arabic language grammar subject. These two groups are the experimental group students who were taught by using (the Computerized Program) and students of the control group who were taught by the using the (normal) way in education. There are no differences with statistically significance at significance level(0.5 = a) between the grades mean of the experimental group students who were taught by using (the computerized program) and the grades mean of the control group students who were taught by the (normal) way attribute to the gender variable (males, females).