Yes. No problem. Unless the camera is really old. Just try it it won't hurt it.
Yes, 512MB is 1/4 the size of 2GB.
512MB equals .5GB or 1/2GB.
The recommended memory card capacity for a Nikon D80 camera is 2GB to 32GB.
200
a 512mb graphics card is a very general statement. 512 megabytes is pretty bad for a graphics card, but it is doable. chances are the graphics card itself is bad, not necessarily just because it's 512mb.
It depends upon the MP of your camera. The more the MP the higher the quality of the photo, and so the no of pictures that can be stored reduces. For ex, for a 2MP camera, you can store 2379 photos on a 2GB card, whereas for a 8MP camera you can only store 635 photos.
fat instead of ntfs
417
It depends on the camera.
The recommended type of SD card for use with the Nikon D80 camera is a standard SD card with a capacity of up to 2GB.
512 TO 20,000
No. 2 Gb is 2048 Mb. 2Gb is four times the memory of 512Mb.