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Block (data storage)

In computing (specifically data transmission and data storage), a block, sometimes called a physical record, is a sequence of bytes or bits, usually containing some whole number of records, having a fixed length; a block size. Data thus structured are said to be blocked. The process of putting data into blocks is called blocking, while deblocking is the…

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Overview

ComputingData transmissionData storageBytesBits
34 related topics

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C++C#JavaPythonRust
5 related topics

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Overview

In languages

  • C++
  • C# C Sharp (programming language)
  • Java Java (programming language)
  • Python Python (programming language)
  • Rust Rust (programming language)

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Map overview Semantic statistics

Block (data storage)

Nodes42
Edges41
Triples9
Avg. degree1.95
Density0.047619
Components1

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Important terminology

block file data size storage blocking systems read called physical may bytes whole thus blocked blocks normally reduces devices magnetic

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
floppy disksinstance ofand rotating media0.80text
hard disksinstance ofand rotating media0.80text
and optical discs.Most file systems are based on a block deviceinstance ofand rotating media0.80text
which is a level of abstraction for the hardware responsible for storinginstance ofand rotating media0.80text
retrieving specified blocks of datainstance ofand rotating media0.80text
though the block size in file systems may be a multiple of the physical block sizeinstance ofand rotating media0.80text
ZFS support variable block sizes.Block storage is normally abstracted by a file system or database management systeminstance ofOther file systems0.80text
iSCSIinstance ofusing a protocol0.80text
or AoEinstance ofusing a protocol0.80text

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