The Objective of this research was to develop and study the effectiveness of the computer assisted
instruction in programming languages base on android tablets devices. The example of this research is first
year students in computer science department, faculty of Science and Technology, Suan Sunandha Rajabhat
University. The research methodology is experimental research by using One-Group Pretest-Posttest
Design. The results of this research showed that the computer assisted instruction in programming
languages has an efficiency, the students had Posttest scores higher than Pretest scores in significance at
.05 and the computer assisted instruction on programming languages subject has the highest satisfaction
towards the use of instruction