The document discusses different types of computer-based education including computer-assisted instruction (CAI). CAI refers to instruction or remediation presented on a computer using educational software. The summary discusses the main types of CAI software:
1. Drill-and-practice software focuses on memorization through repetition of questions and feedback.
2. Tutorial software introduces new concepts through interactive multimedia presentations while assessing student understanding.
3. Simulation software allows students to experience realistic situations through role-playing and exploring the consequences of decisions.
4. CAI has advantages like individualized instruction and tracking student progress, but also disadvantages like potential equipment issues.