Quantities of bits | ||||
|---|---|---|---|---|
| SI prefixes | Binary prefixes | |||
| Name (Symbol) | Standard SI | Binary usage | Name (Symbol) | Value |
| kilobit (kbit) | 103 | 210 | kibibit (Kibit) | 210 |
| megabit (Mbit) | 106 | 220 | mebibit (Mibit) | 220 |
| gigabit (Gbit) | 109 | 230 | gibibit (Gibit) | 230 |
| terabit (Tbit) | 1012 | 240 | tebibit (Tibit) | 240 |
| petabit (Pbit) | 1015 | 250 | pebibit (Pibit) | 250 |
| exabit (Ebit) | 1018 | 260 | exbibit (Eibit) | 260 |
| zettabit (Zbit) | 1021 | 270 | zebibit (Zibit) | 270 |
| yottabit (Ybit) | 1024 | 280 | yobibit (Yibit) | 280 |
A gigabit is a unit of information or computer storage, abbreviated Gbit (or Gb). A bit is a binary digit, taking a value of either 0 or 1 Binary digits are a basic unit of Information storage and communication 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 In computing binary prefixes are names or associated symbols that can precede a unit of measure (such as a Byte) to indicate multiplication by a power of two In computing binary prefixes are names or associated symbols that can precede a unit of measure (such as a Byte) to indicate multiplication by a power of two A kilobit is a unit of information abbreviated kbit (or kb) The standard definition is 1 kilobit = 103 bit = 1000 Bit. A kibibit (a contraction of ki lo bi nary digi' t') is a unit of Information or Computer storage, abbreviated Kibit, A megabit is a unit of Information or computer storage abbreviated Mbit (or Mb) A mebibit (a contraction of mega binary digit is a unit of Information or Computer storage, abbreviated Mibit or sometimes Mib. A gibibit (a contraction of gi ga bi nary digi' t') is a unit of Information or Computer storage, abbreviated as Gibit A terabit is a unit of Information or Computer storage, abbreviated Tbit (or Tb) A tebibit (a contraction of te ra bi nary digi' t') is a unit of Information or Computer storage, abbreviated Tibit or A petabit is a unit of Information or Computer storage, abbreviated Pbit (or Pb) A pebibit (a contraction of pe ta bi nary dig' it') is a unit of Information or Computer storage, abbreviated Pibit or An exabit is a unit of Information or Computer storage, abbreviated Ebit (or Eb) A exbibit (a contraction of ex a bi nary digi' t') is a unit of Information or Computer storage, abbreviated Eibit or A zettabit is a unit of Information or Computer storage, abbreviated Zbit (or Zb) In computing binary prefixes are names or associated symbols that can precede a unit of measure (such as a Byte) to indicate multiplication by a power of two A yottabit is a unit of Information or Computer storage, abbreviated Ybit (or Yb) In computing binary prefixes are names or associated symbols that can precede a unit of measure (such as a Byte) to indicate multiplication by a power of two
1 gigabit = 109 = 1,000,000,000 bits (which is equal to 125 decimal megabytes or 119. A bit is a binary digit, taking a value of either 0 or 1 Binary digits are a basic unit of Information storage and communication A megabyte is a unit of Information or Computer storage equal to either 106 (1000000 Bytes or 220 (1048576 bytes depending on 2 mebibytes, as 8 bits equals one byte)
The gigabit is closely related to the gibibit, which is unambiguously equal to 230 bits = 1,073,741,824 bits. A mebibyte (a contraction of me ga bi nary byte) is a unit of Information or Computer storage, abbreviated MiB. A bit is a binary digit, taking a value of either 0 or 1 Binary digits are a basic unit of Information storage and communication A byte (pronounced "bite" baɪt is the basic unit of measurement of information storage in Computer science. A gibibit (a contraction of gi ga bi nary digi' t') is a unit of Information or Computer storage, abbreviated as Gibit
Note that the difference between a billion bits and a gibibit is greater than 7%. This is sufficient to make it economically compelling to represent certain classes of storage devices in (true) gigabits or gigabytes rather than gibibits/gibibytes. Computer data storage, often called storage or memory, refers to Computer components devices and recording media that retain digital A gibibyte (a contraction of gi ga bi nary byte) is a unit of Information or Computer storage, abbreviated GiB. RAM and flash chips are usually required to have a capacity that is a power of two, but other devices like hard disk drives need not. Flash memory is non-volatile computer memory that can be electrically erased and reprogrammed In Mathematics, a power of two is any of the Integer powers of the number two; in other words two multiplied by itself a certain A hard disk drive ( HDD) commonly referred to as a hard drive, hard disk, or fixed disk drive, is a Non-volatile storage device