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File size is a measure of how much data a computer file contains or how much storage space it is allocated. Typically, file size is expressed in units based on byte. A large value is often expressed with a metric prefix (as in megabyte and gigabyte) or a binary prefix (as in mebibyte and gibibyte). [1]
The storage limit using the 48-bit LBA ATA-6 standard introduced in 2002. 1.6 × 10 18 bits (200 petabytes) – total amount of printed material in the world [citation needed] 2 × 10 18 bits (250 petabytes) – storage space at Facebook data warehouse as of June 2013, [11] growing at a rate of 15 PB/month. [12] 2 61: 2,305,843,009,213,693,952 ...
Historically, a byte was the number of bits used to encode a character of text in the computer, which depended on computer hardware architecture, but today it almost always means eight bits – that is, an octet. An 8-bit byte can represent 256 (2 8) distinct values, such as non-negative integers from 0 to 255, or signed integers from −128 to ...
Density is a measure of the quantity of information bits that can be stored on a given physical space of a computer storage ... or 1.9¢/GB, an improvement of 1.5 ...
Other computer capacities and rates, like storage hardware size, data transfer rates, clock speeds, operations per second, etc. are usually presented in decimal units. For example, the manufacturer of a "300 GB" hard drive is claiming a capacity of 300 000 000 000 bytes , not 300 × 1024 3 (which would be 322 122 547 200 ) bytes.
Direct-attached storage (DAS) is a traditional mass storage, that does not use any network. This is still a most popular approach. This retronym was coined recently, together with NAS and SAN. Network-attached storage (NAS) is mass storage attached to a computer which another computer can access at file level over a local area network, a ...
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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 GB/s: 2001 ...