No, you need a DVD drive and netbooks don't have DVD drives.
No, Microsoft flight simulator is only for PC
You cannot download Microsoft Flight Simulator 2004, you have to buy it.
Yes, you can play Microsoft Flight Simulator 2004 without a disc. I have put a link under this question explaining how to play Microsoft Flight Simulator 2004 without a disc. I have put a link instead of explaning how to do this because of the amount of steps.
You cannot play Microsoft Flight Simulator 2004 anywhere online. One, it would be illegal, and two, it needs to be installed on your computer.
You can play Microsoft Flight Simulator 2004 multiplayer free in the link provided below this question.
Yes, it is possible to play Microsoft Flight Simulator X without an internet connection. The only things you can't do without an internet connection is use real life weather and play multiplayer.
Brand does not matter, its the specification that is most important
No, the point of Microsoft Flight Simulator X is to learn how to fly planes. So you do not need to know how to fly from the start.
If you mean Flight Simulator X: Acceleration or the earlier release under the title Microsoft Flight Simulator X they are both PC games and can not be played on the PS3
I don't believe you can play them both at the same times if that's what you mean, but if you mean can you have both installed on your computer, then yes I am 95% sure you can as long as you have enough memory.
You need two to install it, but you don't need one to play.
Yes and no, you need a mouse and keyboard, but other then that yes.