How does a network card and a wireless internet card differ?

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jwaynebr wrote:
Is a network card used to connect to a network via cable?

Yep.

Is a wireless internet card used to connect to a network via radio waves?

Yep, again. Except you need a wireless router for it to work.

Is that the main difference?

Nope. wireless is slower, but the convience is worth it.

Do I need a network card if I desire to "surf" the internet wirelessly?

Nope, a wireless card will work, as long as you have a wireless router.

I am a little ignorant in this area and would appreciate any insight. Thanks.

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