You need to access the internet from your PS3 to go to the PlayStation network from your PS3. It does not have to be WiFi it can also be ethernet cable, but nothing else
Yes to play online game. Otherwise it works without wifi also.
The playstation 2 doesn't have WiFi capabilities like the PlayStation 3 and PlayStation Portable do.
Yes if you are able to sign in to the Playstation Network and your WiFi is cable or DSL broadband
If you have internet service and the WiFi modem or router
All PS3 models but the 20 GB model have WiFi
no you need WiFi from DSL or cable or an ethernet connection
Yes. All the PlayStation 3 consoles have built-in wifi.
Yes you do. You need to have internet service and have it connected to the PS3 with either a WiFi connection or an ethernet cable.
playstation on-line doesn't cost anything. You would need wifi though
No you need a broadband or DSL WiFi or ethernet connection and can not connect through USB port
You need an internet connection and a Playstation Network Account if you mean the Playstation Store
All PS3 consoles get the PlayStation network and only the 20 GB model does not come with WiFi
If the hotel has broadband WiFi you don't need the computer just use the PS3 WiFi connection and if it has Ethernet then plug the Ethernet cable in your PS3.