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Information about 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 = 103KB10241 = 210KiB (kibibyte)210
MB (megabyte)10002 = 106MB10242 = 220MiB (mebibyte)220
GB (gigabyte)10003 = 109GB10243 = 230GiB (gibibyte)230
TB (terabyte)10004 = 1012TB10244 = 240TiB (tebibyte)240
PB (petabyte)10005 = 1015PB10245 = 250PiB (pebibyte)250
EB (exabyte)10006 = 1018EB10246 = 260EiB (exbibyte)260
ZB (zettabyte)10007 = 1021ZB10247 = 270ZiB (zebibyte)270
YB (yottabyte)10008 = 1024YB10248 = 280YiB (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. As of 2007, 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 stored approximately 160 exabytes in 2006, with nearly 1,000 exabytes projected by 2010.[1] When used with byte multiples, the SI prefix may indicate a power of either 1,000 or 1,024, 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.

See also

References

byte (pronounced /baɪt/) is a unit of measurement of information storage, most often consisting of eight bits. In many computer architectures it is a unit of memory addressing.
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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.
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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). Each successive prefix is multiplied by 1024 (210) rather than the 1000 (103
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kilobyte (derived from the SI prefix kilo-, meaning 1,000) is a unit of information or computer storage equal to either 1,000 bytes or 1,024 bytes (210), depending on context.
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kibibyte (a contraction of kilo binary byte) is a unit of information or computer storage, established by the International Electrotechnical Commission in 2000. Its symbol is KiB.
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megabyte or Mbyte is a unit of information or computer storage equal to either 106 (1,000,000) bytes or 220 (1,048,576) bytes, depending on context. In rare cases, it is used to mean 1000×1024 (1,024,000) bytes.
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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

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gigabyte or Gbyte (derived from the SI prefix giga-) is a unit of information or computer storage meaning either 1000³ bytes or 1024³ bytes (1000³ = one billion). The usage of the word "gigabyte" is ambiguous, depending on the context.
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gibibyte (a contraction of giga binary byte) is a unit of information or computer storage, abbreviated GiB[1].

1 gibibyte = 230 bytes = 1,073,741,824 bytes = 1,024 mebibytes

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terabyte (derived from the prefix tera- and commonly abbreviated TB) is a measurement term for data storage capacity. The value of a terabyte is based upon a decimal radix (base 10) and is defined as one trillion (short scale) bytes, or 1000 gigabytes.
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tebibyte (a contraction of tera binary byte) is a unit of information or computer storage, abbreviated TiB.

1 tebibyte = 240 bytes = 1,099,511,627,776 bytes = 1,024 gibibytes

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petabyte (derived from the SI prefix peta- ) is a unit of information or computer storage equal to one quadrillion bytes. It is commonly abbreviated PB. When used with byte multiples, the prefix may indicate a power of either 1000 or 1024, so the exact number may be
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pebibyte (a contraction of peta binary byte) is a unit of information or computer storage, abbreviated PiB.

1 pebibyte = 250 bytes = 1,125,899,906,842,624 bytes = 1,024 tebibytes

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exabyte (derived from the SI prefix exa-) is a unit of information or computer storage equal to one quintillion bytes. It is commonly abbreviated EB. When used with byte multiples, the SI prefix may indicate a power of either 1000 or 1024, so the exact number may be
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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

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zettabyte (derived from the SI prefix zetta-) is a unit of information or computer storage equal to one sextillion (one long scale trilliard) bytes. It is commonly abbreviated ZB. As of 2007, no computer has one zettabyte of storage.
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zebibyte (a contraction of zetta binary byte) is a unit of information or computer storage, commonly abbreviated ZiB.

1 zebibyte = 270 bytes = 1,180,591,620,717,411,303,424 bytes = 1,024 exbibytes
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yobibyte (a contraction of yotta binary byte) is a unit of information or computer storage, commonly abbreviated YiB.

1 yobibyte = 280 bytes = 1,208,925,819,614,629,174,706,176 bytes = 1,024 zebibytes
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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.
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yotta- (symbol Y) is an SI prefix in the SI (system of units) denoting 1024 or 1 000 000 000 000 000 000 000 000.

Adopted in 1991, it comes from the Greek ὀκτώ (októ), meaning
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Information is the result of processing, gathering, manipulating and organizing data in a way that adds to the knowledge of the receiver. In other words, it is the context in which data is taken.
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Computer data storage, computer memory, and often casually storage or memory refer to computer components, devices and recording media that retain digital data used for computing for some interval of time.
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This article has been tagged since June 2006.
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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.

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Quadrillion may mean either of the two numbers (see long and short scales for more detail):
  • 1,000,000,000,000,000 (one thousand million million; ; SI prefix peta) - increasingly common meaning in English language usage.

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byte (pronounced /baɪt/) is a unit of measurement of information storage, most often consisting of eight bits. In many computer architectures it is a unit of memory addressing.
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exabyte (derived from the SI prefix exa-) is a unit of information or computer storage equal to one quintillion bytes. It is commonly abbreviated EB. When used with byte multiples, the SI prefix may indicate a power of either 1000 or 1024, so the exact number may be
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yobibyte (a contraction of yotta binary byte) is a unit of information or computer storage, commonly abbreviated YiB.

1 yobibyte = 280 bytes = 1,208,925,819,614,629,174,706,176 bytes = 1,024 zebibytes
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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). Each successive prefix is multiplied by 1024 (210) rather than the 1000 (103
..... Click the link for more information.


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