________ is a satellite-based tracking system that enables the determination of a GPS device's location.
A) GPS
B) PDA
C) SMS
D) WAP
Question 2
With a bartering exchange, a company submits its surplus to the exchange and receives
A) points of credit, which the company can then use to buy items that it needs.
B) an equivalent amount of products or services.
C) interest payments until it buys something from the exchange.
D) cash minus a small commission for services.