You can't download anything without an internet connection
Yes. You do not need an Internet connection to create a network.
No, a simple home network can be configured to share data and devices without connecting to the internet.
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.
you don't
Yes, do a search for an "FM Radio Card". It plugs into a card slot like a modem or network card and with included software allows you to tune in stations. An Antenna is required but No Internet connection.
You will be able to get wireless network but without internet connection.
Yes, this is quite possible.
A place where there is an open WiFi network providing an internet connection for use by the public without charge.
It is not possible. You need internet to make video calls.
A wireless computer network connects through to the internet without being connected with wires. It gives you a fast and easy connection and is a modern technology.
It will still work without a 3G connection, but will be very slow.