The document discusses 15 different areas where computers are used including accounting, banking, medicine, education, design, transportation, communication, engineering, recreation, publishing, space technology, insurance, cinemas, defense, and meteorology. It provides details on how computers are used for tasks like inventory management, financial records, online banking, medical diagnostics, virtual classrooms, engineering design, ticket reservations, email, graphics, data analysis, and weather forecasting in each of these fields. Computers have become integral tools that are revolutionizing how these important industries and activities function.