Don't do what I did, and take it on a data stick, assuming that a Powerpoint file will port unproblematically from Mac to Windows. All my formatting went wrong, and I lost my special characters (luckily, I checked in the lunch break before hand, so had time to fix it, but it wasn't ideal!)
I'd ask about laptop connectors. They did ask...
ETA: I don't think you absolutely need one, but I find it helpful for quotes, as people can still look at you rather than the handout. I also think it's a good idea to put up the plan of the paper/ section headings - you can put them up as you come to them. It helps people keep up! But anything is better than the sort of ppt pres where people just read the slides (not that you'd do that, but it's disturbingly common).
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I'd ask about laptop connectors. They did ask...
ETA: I don't think you absolutely need one, but I find it helpful for quotes, as people can still look at you rather than the handout. I also think it's a good idea to put up the plan of the paper/ section headings - you can put them up as you come to them. It helps people keep up! But anything is better than the sort of ppt pres where people just read the slides (not that you'd do that, but it's disturbingly common).