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The first phase of CALL which was implemented in the 1960s and 1970s. This phase based on behaviorist theories at leaning. Programs at those times included repetitive language drills which were later refered to as "drill and practice". In this case, computer was seen as a medium to deliver instructional materials to learners. PLATO system, which included vocabulary drills, short grammar explanations and drills, and translation exercises, is a good example for this phase. -
The second phase which gained importance in the 1970s and 1980s. This phase based on the communicative approach to foreign language teaching. It focuses on authentic communication and use of forms rather than the forms themselves. Teaches grammar implicity rather than explicity. This phase allows and encourage students to generate original utterances rather than just manipulate prefabricated language. -
The third phase is called integrative CALL which started in 1980s and onward. It is the most recent stage of CALL. This phase includes two important developments: multimedia and the Internet. Multimedia is characterized as a combination of text, audio, images, video, or interactivity content forms delivered by computer. This phase allows interaction between individual language learners. Must be carefully chosen to suit a particular teaching and learning situation.