It sounds like you are looking for a network. If a node can not find a network to connect to, then it cannot connect.
Answer:
Theoretically one could design an architecture that would address 16 GB of memory with 32-bits of unique addresses.
Explanation:
Spell-check feature is the one that auto corrects any misspelled words
(D) Standard of living. Because, from this text you can tell that Leo is a wealthy person, and welthy people tend to get the best things, including fancy neighborhoods and Cars. So its most likely (D)