You purchase a new computer system that does not have wireless capability, and then you decide that you want to use a wireless connection to the Internet. What are the least expensive ways (pick two) to upgrade your system to wireless?
A. Purchase a second computer that has wireless
B. Purchase a wireless expansion card and install it in your system
C. Trade in the computer for another computer that has wireless installed
D. Purchase a USB wireless adapter and connect it to your PC by way of a USB port