I believe for inside the camera (Menory Card) Canon recommends Transcend SDHC 4GB-32GB. I personally use SanDisk SDHC 4GB which works just fine. Just make sure it is a SDHC card. These can be found at any Big Box Store that sells cameras (WalMart or at Amazon). If you are asking about a USB Flash Drive, Canon again recommends something by Jet Flash and in the literature suggests many models...JetFlash 780, 760/770, 700, 600 and anywhere from 4GB to 64GB - depends on how many photos you might want to store. Hope that answers your question.
I don't understand the question? Being a point and shoot, I have no control over the shutter speed other than those set at the 3 available modes. I don't know if that kind of info is on the included CD, which I haven't watched. If those specs are not commonly available, I'm sure the folks at Canon can give an answer. I found my email to them was answered quickly.
I can't really answer that. All I know is that when I went online looking for a small camera that had a view finder, my options were very limited. I chose the A1300 for size, price and the view finder. I have taken pics and am very satisfied.