Apple ACPT Certifications Exam 9L0-402

The preservation 9L0-509 community is only beginning to explore possible alternatives to storing digital information in "software- independent" form. Rothenberg (1995) proposed an approach for maintaining the content of digital materials intact without losing the ability to retrieve meaning-rich sources. He recommended retaining the original document in its original format encapsulated in a virtual "envelope" that contains software instructions for retrieval, display, and processing of the message in the envelope. The envelopes would contain contextual information and the transformational history of each object. Execution 9L0-402 of the instructions would rely on an archive of hardware and software emulators or on instructions in the envelope with specifications to construct emulators.