You purchase a new desktop computer that does not have wireless capability, and then you decide that you want to use a wireless connection to the internet. what are the two least expensive ways (choose two) to upgrade your system to wireless?
a) trade in the computer for another computer that has wireless installed.
b) purchase a second computer that has wireless
c) purchase a wireless expansion card and install it in your system
d) purchase a usb wireless adapter and connect it to your pc by way of a usb port

C and D

Explanation:

Purchasing a wireless expansion card or a USB wireless adapter are least expensive because these will not require purchasing of a whole desktop. C and D are also easier to implement and are more achievable.

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what class is it and how much will you pay?