Digital Libraries and Preservation Flashcards
7 cards from real MLS - Master of Library and Information Science practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Digital Libraries and Preservation flashcards as text
What is the primary purpose of digital preservation in library and information science?
Answer: To ensure long-term access to digital materials as technology changes
Digital preservation ensures that digital content remains accessible, authentic, and usable over time, even as the hardware and software needed to render it becomes obsolete.
Which file format is most recommended for long-term digital preservation of raster images?
Answer: TIFF
TIFF (Tagged Image File Format) is preferred for archival image preservation because it is uncompressed (lossless), widely supported, and maintains full image quality upon repeated saving.
What does OAIS stand for in the context of digital preservation?
Answer: Open Archival Information System
OAIS (Open Archival Information System) is ISO standard 14721, which provides the foundational reference model for digital preservation systems worldwide.
What is 'bit rot' in digital preservation terminology?
Answer: The gradual corruption of digital data due to physical or logical errors over time
Bit rot refers to the gradual degradation or corruption of digital data that can occur due to storage medium decay, hardware failures, or software errors over time.
Which checksum algorithm is most commonly recommended in digital preservation for verifying file integrity?
Answer: SHA-256
SHA-256 is widely used in digital preservation for fixity checking because it provides strong cryptographic verification and reliably detects any changes to files.
What is the digital preservation strategy of 'emulation'?
Answer: Creating an environment that mimics original hardware/software to run obsolete digital objects
Emulation recreates the original computing environment—hardware and software—needed to access digital objects without altering the original files themselves.
Which metadata schema was specifically developed to support documentation of digital preservation processes?
Answer: PREMIS
PREMIS (Preservation Metadata: Implementation Strategies) is the international standard for metadata that supports the long-term preservation and usability of digital objects.