Used to verify communication with the PAC, the ____________________ screen displays an X through the controller if communications were established at one point but have currently been lost.

MC SQL uses the optional WHERE clause in a SELECT query to specify the________for the query.

a) selection criteria. b) processing order. c) format. d) None of the above.

A(n) ______ bus is used to transfer information about where the data should reside in memory.

A. storage B. address C. data D. destination