Place an X in Each Blank Below That Is Associated

question 5

Short Answer

Place an X in each blank below that is associated with a conclusion that would require the closed-world assumption in the context of a database that contained a list of subscribers to the New York Times.
_____ John Doe subscribes to the New York Times.
_____ John Doe does not subscribe to the New York Times.
_____ Either Mary Doe or John Doe does not subscribe to the New York Times.
_____ Either Mary Doe or John Doe subscribes to the New York Times.

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Definitions:

Web Service

A software system designed to support interoperable machine-to-machine interaction over a network, typically through standardized XML messaging systems.

Compose and Send

The process in email or messaging applications where a user writes a new message and then sends it to the recipient(s).

Voice over Internet Protocol

A technology that allows voice communications and multimedia sessions over the Internet, enabling phone calls through a broadband internet connection instead of a traditional phone line.

Voice and Video Service

A digital communication platform that enables users to make audio and video calls over the internet.