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Encyclopedia > Yottabyte
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Quantities of bytes
SI prefixes Historical use Binary prefixes
Symbol
(name)
Value  Symbol  Value Symbol
(name)
Value
kB (kilobyte) 10001 = 103 KB 10241 = 210 KiB (kibibyte) 210
MB (megabyte) 10002 = 106 MB 10242 = 220 MiB (mebibyte) 220
GB (gigabyte) 10003 = 109 GB 10243 = 230 GiB (gibibyte) 230
TB (terabyte) 10004 = 1012 TB 10244 = 240 TiB (tebibyte) 240
PB (petabyte) 10005 = 1015 PB 10245 = 250 PiB (pebibyte) 250
EB (exabyte) 10006 = 1018 EB 10246 = 260 EiB (exbibyte) 260
ZB (zettabyte) 10007 = 1021 ZB 10247 = 270 ZiB (zebibyte) 270
YB (yottabyte) 10008 = 1024 YB 10248 = 280 YiB (yobibyte) 280

A yottabyte (derived from the SI prefix yotta-) is a unit of information or computer storage equal to one septillion (one long scale quadrillion or 1024) bytes. It is commonly abbreviated YB. At this time, no computer has achieved one yottabyte of storage. In fact, the combined space of all the computers in the world does not amount to one yottabyte. According to one study, the world stores 161 exabytes as of 2006, with 988 exabytes projected by 2010.[1] In computer science a byte (pronounced bite) is a unit of measurement of information storage, most often consisting of eight bits. ... An SI prefix (also known as a metric prefix) is a name or associated symbol that precedes a unit of measure (or its symbol) to form a decimal multiple or submultiple. ... // In computing, binary prefixes can be used to quantify large numbers where powers of two are more useful than powers of ten (such as computer memory sizes). ... // In computing, binary prefixes can be used to quantify large numbers where powers of two are more useful than powers of ten (such as computer memory sizes). ... A kilobyte (derived from the SI prefix kilo-, meaning 1000) is a unit of information or computer storage equal to the decimal 1024 bytes (2 to the 10th power, or 1,024 bytes based in the binary system). ... A kibibyte (a contraction of kilo binary byte) is a unit of information or computer storage, commonly abbreviated KiB (never kiB). 1 kibibyte = 210 bytes = 1,024 bytes The kibibyte is closely related to the kilobyte, which can be used either as a synonym for kibibyte or to refer to... ReBoot character, see Megabyte (ReBoot). ... A mebibyte (a contraction of mega binary byte) is a unit of information or computer storage, abbreviated MiB. 1 MiB = 220 bytes = 1,048,576 bytes = 1,024 kibibytes 1 MiB = 1024 (= 210) kibibytes (KiB), and 1024 MiB equal one gibibyte (GiB). ... This article is about the unit of measurement. ... A gibibyte is a unit of information or computer storage. ... This article is about a measurement term for data storage capacity. ... A tebibyte is a unit of information or computer storage, commonly abbreviated TiB. 1 tebibyte = 240 bytes = 1,099,511,627,776 bytes The tebibyte is closely related to the terabyte, which can either be a synonym for tebibyte, or refer to 1012 bytes = 1,000,000,000,000 bytes... A petabyte (derived from the SI prefix peta- ) is a unit of information or computer storage equal to one quadrillion bytes. ... A pebibyte is a unit of information or computer storage. ... An exabyte (derived from the SI prefix exa-) is a unit of information or computer storage equal to approximately one quintillion bytes. ... An exbibyte (a contraction of exa binary byte) is a unit of information or computer storage, abbreviated EiB. 1 exbibyte = 260 bytes = 1,152,921,504,606,846,976 bytes = 1,024 pebibytes The exbibyte is closely related to the exabyte, which can either be a synonym for exbibyte, or... A zettabyte (derived from the SI prefix zetta-) is a unit of information or computer storage equal to one sextillion (one long scale trilliard) bytes. ... A zettabyte (derived from the SI prefix zetta-) is a unit of information or computer storage equal to one sextillion (one long scale trilliard) bytes. ... This article or section does not cite any references or sources. ... An SI prefix (also known as a metric prefix) is a name or associated symbol that precedes a unit of measure (or its symbol) to form a decimal multiple or submultiple. ... Yotta (symbol Y) is a SI prefix in the SI (system of units) denoting 1024 or 1 000 000 000 000 000 000 000 000. ... The ASCII codes for the word Wikipedia represented in binary, the numeral system most commonly used for encoding computer information. ... This article does not cite any references or sources. ... Main article: Names of large numbers A septillion is a number written as either: a 1 followed by 24 zeros (10 to the 24th power, as used in the short scale system of numeration. ... The long and short scales are two different numerical systems used throughout the world: Short scale is the English translation of the French term échelle courte. ... The quadrillion is a large number which has one of two values depending on how or where it is being used. ... In computer science a byte (pronounced bite) is a unit of measurement of information storage, most often consisting of eight bits. ... An exabyte (derived from the SI prefix exa-) is a unit of information or computer storage equal to one quintillion bytes. ...


When used with byte multiples, the SI prefix may indicate a power of either 1000 or 1024, so the exact number may be either:

  • 1 septillion, or 1,000,000,000,000,000,000,000,000 bytes — 10008, or 1024, or
  • 1,208,925,819,614,629,174,706,176 bytes — 10248, or 280.

The term "yobibyte", using a binary prefix, has been proposed as an unambiguous reference to the latter value. This article or section does not cite any references or sources. ... // In computing, binary prefixes can be used to quantify large numbers where powers of two are more useful than powers of ten (such as computer memory sizes). ...


  Results from FactBites:
 
NationMaster - Encyclopedia: Yottabyte (1124 words)
An SI prefix (also known as a metric prefix) is a name or associated symbol that precedes a unit of measure (or its symbol) to form a decimal multiple or submultiple.
A yottabyte is a unit of measurement in computers of approximately one million million million million (American septillion) bytes.
The yottabyte is the largest unit of measurement for computer data, consisting of 1,024 zettabytes.
Yottabyte - Definition, explanation (263 words)
A yottabyte (derived from the SI prefix yotta-) is a unit of information or computer storage equal to one septillion (one long scale quadrillion) bytes.
That is, Avogadro's number is almost a "round number" in binary, and a (binary) yottabyte is approximately 2.01 × Avogadro's number of bytes.
Humorously, it can be said that a (binary) yottabyte is about 2 moles of bytes.
  More results at FactBites »

 
 

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