The correct answer is: B. Interactive computer
An interactive computer is a computer that allows the user to interact with it in real time. This means that the user can type commands and receive immediate feedback from the computer. Interactive computers are often used for tasks such as word processing, spreadsheets, and games.
A real-time processing system is a computer system that processes data as it is received. This type of system is often used in applications where it is important to have up-to-date information, such as air traffic control and stock trading.
A batch processing system is a computer system that processes data in batches. This type of system is often used in applications where it is not necessary to have up-to-date information, such as payroll and accounting.
A time-sharing system is a computer system that allows multiple users to access the computer at the same time. This type of system is often used in applications where it is important to have access to a computer, such as education and research.
E. None of the above is not the correct answer.