yes, so it can save achievments to you online profile at battle net
yes!
Wireless Internet + Game Disk
Yes
As in multiplayer? You will need and internet connection and/or Wi-Fi.
A Computer, a keyboard, a mouse, internet
no its free to play unlike world of warcraft
Star craft two is the next game in the Star craft series.
All minecraft mods are free if you have to pay for it its illegal. you only need to pay for a premium account.
The internet
It certainly is.
The "components" that are required: computer that meets the minimum specs for the game, and an internet connection.
starcraft is a prequel to starcraft 2