This document introduces computer assisted instruction (CAI) through a presentation by Habib Ullah Qamar. It begins with Qamar introducing himself and his background and objectives for the presentation. He then asks if the audience has used computers for learning or teaching. The bulk of the document defines and describes CAI, including the various terms used, how it works, typical features, and types like drill and practice, tutorials, discovery approaches, and problem solving. The advantages of CAI are discussed, such as individualized learning, feedback, and multimedia aids. Limitations include overreliance on multimedia and lack of infrastructure. The presentation concludes by recapping the objectives and inviting questions.