SD cards
Our technology has come a long way and still progressing. We used to use those large floppy discs that can only fit in some of our simple documents and programs. But now, the memory size of the floppy discs are insufficient and is enough only for a simple image. Speaking of pictures, there are different digital cameras that can take high resolution pictures. The higher the resolution though, the more memory is used. Compared to the cameras that use film, it is as good if not better in picture quality. Even cellphones now have their own cameras. They also have their own memory cards. They used to used regular SD cards but now some use the micro SD which is smaller with a bigger memory capacity. Some of the cameras on cellphones can be compared to digital cameras with regards to its resolution.
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