fair/rig up/set up

[Saneta]

http://www.english-test.net/toeic/listening/two_exhibition_company_co-workers_discuss_logistics_of_upcoming_trade_show.html

please explain in bold:
1.this weekend's computer fair- fair=place/market outdoor where we can buy something?
2.Do you think you could rig up some tables with stand-alone displays behind them?
3.way we could set them up near the outlets.?=put them?

many thanks

[Beeesneees]

1. In this case, it is a one-day indoor exhibition where you can see what is available and make purchases if you wish.
2. put up
3. yes
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Cheers m' dears!