When using the route command at a command prompt, which entry indicates the default route?

ARPA Director J.C.R. Licklider conceived of a Galactic Network that would

a. control weapons from space. b. guide spacecraft to distant planets. c. become the world’s most powerful number-crunching machine. d. facilitate the exchange of programs and data. e. All of the above

A __________ is a device that allows a computer, which works with digital information, to communicate over lines that use analog signals.

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