The model base contains programs A. written by the firm’s programmers B. provided by the computer vendor C. purchased from outside firms, such as software houses D. All of the above E. None of the above

The correct answer is D. All of the above.

The model base contains programs written by the firm’s programmers, provided by the computer vendor, and purchased from outside firms, such as software houses.

Programs written by the firm’s programmers are tailored to the specific needs of the firm. They may be used to automate tasks, generate reports, or analyze data.

Programs provided by the computer vendor are typically generic programs that can be used by any firm. They may include programs for word processing, spreadsheets, and databases.

Programs purchased from outside

firms, such as software houses, are typically specialized programs that are designed for a specific industry or application. They may include programs for accounting, inventory management, and customer relationship management.

The model base is a collection of programs that are used to support the firm’s business processes. It is a critical part of the firm’s information system.