Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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The FAT method
A. keeps information about the block where bit
vector is stored.
B. employs space maps to manage information
about free blocks.
C. does not store information about free blocks.
D. incorporates free-block accounting into the
allocation data structure.
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Transcribed Image Text:The FAT method A. keeps information about the block where bit vector is stored. B. employs space maps to manage information about free blocks. C. does not store information about free blocks. D. incorporates free-block accounting into the allocation data structure.
The basic file systems
○ A. reads and writes physical blocks on the storage
device.
B. tracks unallocated blocks and provides them the
when it is required.
○ C. manages directory structure.
D. is responsible for protection.
expand button
Transcribed Image Text:The basic file systems ○ A. reads and writes physical blocks on the storage device. B. tracks unallocated blocks and provides them the when it is required. ○ C. manages directory structure. D. is responsible for protection.
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