Definitions
Metadata
What is data about data?
This is the process of becoming outdated and no longer used.
What is obsolescence?
You may do this to a file so that it takes up less space and bandwidth online.
What is compression?
This is a definition of digital preservation.
What is combining policies, strategies, and actions that ensure access to digital content over time?
This is what OAIS stands for.
What is Open Archival Information System?
Migration
What is copying or converting data from one technology to another (hardware or software)?
We may do this if an items is at risk of becoming obsolete, to save storage space, or increase access.
What is reformat?
This kind of compression removes unnecessary data by combining colours/sounds resulting in lower quality (and smaller sized) files.
What is lossy compression?
These are examples of digital preservation challenges
What are obsolescence, storage and access? (There are other acceptable answers)
This is the upload or transfer into the repository.
What is ingest?
Born digital
What is an item that was created digitally and does not have an analogue version?
These are some reasons an organization may reformat to microfilm.
What are low cost, space saving, not software dependent and can be used as evidence in court?
These are the preferred file formats for images and text documents.
What are TIFF or PNG and PDF/A.
We can verify this using checksums.
What is fixity or authenticity?
This part manages the day to day functions like standards, policies and customer support
What is administration?
Emulation
What is imitating obsolete systems on newer generations of computers to access obsolete formats?
These are disadvantages to microfilm.
What are space for special equipment, equipment upkeep, impractical for content that gets updated frequently, time consuming to set up.
These signals have infinite and continuous possibilities.
What are analogue signals?
You should ask these questions before starting a digital preservation project.
e.g. Where or how will it be stored?
This is the front end where users can search the archives.
What is access?
Refreshing
What is copying content from one storage media/container to the same storage media/container?
This is required to convert analogue media to a digital file.
What is an analogue to digital converter? (a scanner is a type of analogue to digital converter).
This is typically measured by the number of pixels.
What is resolution?
When assessing the maturity of a digital preservation project, NDSA measures these five areas.
What are storage, integrity, content, metadata, control.
This area handles the services and functions for maintaining the system, e.g. system updates and reports.
What is data management?