Computer can be used as an interactive tool to facilitate language learning. It allows for interaction with students, enhances language learning through examples and practice, and stimulates conversation. While some studies show varying effects, computer-based language instruction is seen as better than traditional methods due to computers' flexibility, ability to interact, and potential to encourage learning. However, disadvantages include initial cost and potential for eye strain or slow performance. Student feedback on CALL programs is generally positive when the programs are easy to use, though slow computers are seen negatively.