Developed at UC-Berkeley, it is now maintained and supported as a standard by the Library of Congress and sponsored by the Society of American Archivists. The EAD can be used to represent complete archival structures, including hierarchies and associations. The kinds of functionality that EAD affords can also be implemented using Dublin Core, and it is also possible to migrate records from Dublin Core into the EAD format if necessary. The file size of an image is proportional to its resolution. The higher the resolution, the bigger the file size.
File size is different from image size.
An image capture device much like a photocopier. The object to be scanned is placed face-down on a glass plate. The CCD array passes beneath the glass. GIF Graphic Image File Format. A widely supported image storage format promoted by Compuserve for use on the web.