Earlier quoted context omitted.
You're still supporting that computer knowledge of what image file formats are and how to convert them should be part of the test. They can learn that later when their high school or college makes them take basic computer classes (hopefully), right now they just want to upload their image. Either Apple or College Board is at fault here but it isn't the user.
Yes, if you want to use a cell phone and/or a computer to complete your tasks you should have some basic knowledge about how it operates. You can shift responsibility for that knowledge wherever you want but I would say that at the age between 16 and 19 (which google tells me is the average age for AP classes) I would expect that knowledge from someone applying for AP credit. And if someone didn't know what the accep…
It's certainly not a well engineered user experience. Passing a physics test should require physics knowledge, not knowledge of image formats. I think understanding of image formats is actually fairly obscure outside of technical circles.