Questions: A(n) is a group of programs with integrated functions that has been developed by a vendor and is available for purchase in a prepackaged form.

The answer is the second one (package): a group of programs with integrated functions that has been developed by a vendor and is available for purchase in a prepackaged form.

Explanation for each option:

• Open system: This refers to a system that is based on publicly available standards and can interact with other systems. It does not specifically refer to a prepackaged group of programs.
• Package: This is the correct answer. A package is a group of programs with integrated functions that has been developed by a vendor and is available for purchase in a prepackaged form.
• GUI (Graphical User Interface): This refers to a type of user interface that allows users to interact with electronic devices through graphical icons and visual indicators. It is not a prepackaged group of programs.
• OS (Operating System): This is the software that supports a computer's basic functions, such as scheduling tasks and controlling peripherals. It is not specifically a prepackaged group of programs.
• eTextbook and Media: This refers to electronic versions of textbooks and other media content. It is not a prepackaged group of programs.

Summary: The correct answer is "package," which refers to a group of programs with integrated functions that has been developed by a vendor and is available for purchase in a prepackaged form.