Exposure settings or Curves

Lately in PS3, I've been experimenting with the Exposure Adjustment Layer settings under the Adjustments Layer menu, and it seems like I get similar results with Curves Adjustment Layer.

My question would be, whats the technical difference between these two tools?

Thank you for your time

IMO you have more tweaking choices with Curves, ending up with a bit more punch.

Curves gives *far* more control.

Here's three links:
http://www.luminous-landscape.com …ials/command_pr​imer.shtml

http://www.luminous-landscape.com/essays/C​urves.shtml

http://www.luminous-landscape.com …s/Cramer_Select​ions.shtml

Levels Adjustment Layer settings, used with the built in mask which you can adjust for separate parts of the image, will give good results, too. Like a lot of things, it's partly what you're used to.
Airport runway shoot

FYI, all these tools are doing the same task,..
The difference is the interface offered to you, and the level of control these interfaces provide.