_________ is the logical unit of the computer that sends information that has already been processed by the computer to various devices so that the information may be used outside the computer.

Using the ________ feature to broadcast your current location can alert any potential stalkers where to find you or tell potential burglars that your house is currently empty

Fill in the blank(s) with correct word

Much of the power and flexibility of the _________ language stems from its ability to query facts by matching predicates, comparing constants, and instantiating variables.?

Fill in the blank(s) with the appropriate word(s).