In the 21th century, the world is in the era of information and communication technology,
so the ways we live and learn are changing rapidly.
In the field of education, the computer has broght innovations in teaching and learning.
It helps students to extend their learning ability.
Computers assisted instruction or programs for classroom can be used for lesson presentations and featuring texts, voices, slides, and animations.(Basturk,2005)
In addition, CAI is also the media that respond to individual differences,
because the media interact with learners as individuals. It increases the learning opportunities for students based on their interests and ability students can choose how to learn and progress in their study is according to the learning pare.
CAI is able to meet the needs of learners (Chuang and Chen,2009) and it helps teachers to be able to measure and monitor the understanding of learners at any time.