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In this convention, one thousand and twenty-four megabytes (1024 MB) is equal to one gigabyte (1 GB), where 1 GB is 1024 3 bytes (i.e., 1 GiB). Mixed 1 MB = 1 024 000 bytes (= 1000×1024 B) is the definition used to describe the formatted capacity of the 1.44 MB 3.5-inch HD floppy disk , which actually has a capacity of 1 474 560 bytes .
For example, a data bus eight-bytes wide (64 bits) by definition transfers eight bytes in each transfer operation; at a transfer rate of 1 GT/s, the data rate would be 8 × 10 9 B/s, i.e. 8 GB/s, or approximately 7.45 GiB/s. The bit rate for this example is 64 Gbit/s (8 × 8 × 10 9 bit/s).
The ISQ symbols for the bit and byte are bit and B, respectively.In the context of data-rate units, one byte consists of 8 bits, and is synonymous with the unit octet.The abbreviation bps is often used to mean bit/s, so that when a 1 Mbps connection is advertised, it usually means that the maximum achievable bandwidth is 1 Mbit/s (one million bits per second), which is 0.125 MB/s (megabyte per ...
The naming convention for DDR, DDR2 and DDR3 modules specifies either a maximum speed (e.g., DDR2-800) or a maximum bandwidth (e.g., PC2-6400). The speed rating (800) is not the maximum clock speed, but twice that (because of the doubled data rate). The specified bandwidth (6400) is the maximum megabytes transferred per second using a 64-bit width.
10 Gbit/s: 1.25 GB/s: RapidIO Gen2 2x: 10 Gbit/s: 1.25 GB/s: 2008 10 Gigabit Ethernet (10GBASE-X) 10 Gbit/s: 1.25 GB/s: 2002-2006 Myri 10G: 10 Gbit/s: 1.25 GB/s: InfiniBand FDR-10 1× [24] 10 Gbit/s: 1.25 GB/s: 2011 NUMAlink 2: 12.8 Gbit/s: 1.6 GB/s: 1996 InfiniBand FDR 1× [24] 13.64 Gbit/s: 1.7 GB/s: 2011 InfiniBand SDR 8× [23] 16 Gbit/s: 2 ...
10 3: kbit/s 4×10 3 bit/s Audio data Minimum achieved for encoding recognizable speech (using special-purpose speech codecs) 8×10 3 bit/s Audio data Low bit rate telephone quality 10 4: 3.2×10 4 bit/s Audio data MW quality and ADPCM voice in telephony, doubling the capacity of a 30 chan link to 60 ch. 5.6×10 4 bit/s Networking
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~ 10 58 bits – thermodynamic entropy of the sun [29] (about 30 bits per proton, plus 10 bits per electron). 2 230: 10 69 ~ 10 69 bits – thermodynamic entropy of the Milky Way Galaxy (counting only the stars, not the black holes within the galaxy) [citation needed] 2 255: 10 77: 1.5 × 10 77 bits – information content of a one-solar-mass ...