Which of the following computer applications best fits the definition of computer-assisted instruction?

Computer-assisted instruction (CAI) involves software designed to deliver educational content or simulate real-world scenarios, such as tutorials and simulation software, to facilitate learning. Option A (word processing and desktop publishing) is for document creation, not instruction. Option B (spreadsheets) is for data analysis, not teaching. Option D (database management) is for data organization, not educational delivery. This question aligns with the Information Technology category, emphasizing educational technology.