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Gigabit per second (symbol Gbit/s or Gb/s, often abbreviated "Gbps") is a unit of data transfer rate equal to: 1,000 megabits per second 1,000,000 kilobits per second
The throughput of communications links is measured in bits per second (bit/s), kilobits per second (kbit/s), megabits per second (Mbit/s) and gigabits per second (Gbit/s). In this application, kilo, mega and giga are the standard S.I. prefixes indicating multiplication by 1,000 , 1,000,000 , and 1,000,000,000 .
In telecommunications and computing, bit rate (bitrate or as a variable R) is the number of bits that are conveyed or processed per unit of time. [1]The bit rate is expressed in the unit bit per second (symbol: bit/s), often in conjunction with an SI prefix such as kilo (1 kbit/s = 1,000 bit/s), mega (1 Mbit/s = 1,000 kbit/s), giga (1 Gbit/s = 1,000 Mbit/s) or tera (1 Tbit/s = 1,000 Gbit/s). [2]
While the gross data rate equals 33.3 million 4-bit-transfers per second (or 16.67 MB/s), the fastest transfer, firmware read, results in 15.63 MB/s. The next fastest bus cycle, 32-bit ISA-style DMA write, yields only 6.67 MB/s. Other transfers may be as low as 2 MB/s. [42]
50 – 100 megabits – amount of information in a typical phone book: 2 26: 10 8: 67,108,864 bit (8 mebibytes) 2 27: 134,217,728 bits (16 mebibytes) 150 megabits – amount of data in a large foldout map: 2 28: 268,435,456 bits (32 mebibytes) 144,000,000 bits: In 1980 an 18 MB hard disk cost US$4,199, [5] equivalent to $15,527 in 2023.
The symbol for the binary digit is either "bit", per the IEC 80000-13:2008 standard, or the lowercase character "b", per the IEEE 1541-2002 standard. Use of the latter may create confusion with the capital "B" which is the international standard symbol for the byte.
SEA-ME-WE 4 submarine communications cable – 1.28 terabits per second [8] 3.84×10 12 bit/s Networking I-ME-WE submarine communications cable – design capacity of 3.84 terabits per second [9] 10 14: 2.45×10 14 bit/s Networking Projected average global internet traffic in 2015 according to Cisco's 2011 VNI IP traffic forecast [10] [11] 10 ...
Mbps—Megabits per second MCAD [ broken anchor ] —Microsoft Certified Application Developer MCAS [ broken anchor ] —Microsoft Certified Application Specialist