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Bitmain's first product was the Antminer S1 which is an ASIC bitcoin miner making 180 gigahashes per second (GH/s) while using 80–200 watts of power. [8] Bitmain as of 2018 had 11 mining farms operating in China. [7] Bitmain was involved in the 2018 Bitcoin Cash split, siding with Bitcoin Cash ABC alongside Roger Ver. [9]
An application-specific integrated circuit (ASIC / ˈ eɪ s ɪ k /) is an integrated circuit (IC) chip customized for a particular use, rather than intended for general-purpose use, such as a chip designed to run in a digital voice recorder or a high-efficiency video codec. [1]
GPU mining is the use of Graphics Processing Units (GPUs) to "mine" proof-of-work cryptocurrencies, such as Bitcoin. [1] Miners receive rewards for performing computationally intensive work, such as calculating hashes, that amend and verify transactions on an open and decentralized ledger.
[2] In the social sciences , a result may be considered statistically significant if its confidence level is of the order of a two-sigma effect (95%), while in particle physics and astrophysics , there is a convention of requiring statistical significance of a five-sigma effect (99.99994% confidence) to qualify as a discovery .
The S-record format was created in the mid-1970s for the Motorola 6800 processor. Software development tools for that and other embedded processors would make executable code and data in the S-record format. PROM programmers would then read the S-record format and "burn" the data into the PROMs or EPROMs used in the embedded system.
Mining of sulfur from a deposit at the edge of Ijen's crater lake, Indonesia. Mining is the extraction of valuable geological materials and minerals from the surface of the Earth. Mining is required to obtain most materials that cannot be grown through agricultural processes, or feasibly created artificially in a laboratory or factory.
The 2S19 Msta-S is a 152.4 mm self-propelled howitzer designed and manufactured by Uraltransmash in the Soviet Union and later in Russia, which entered service in 1989 as the successor to the 2S3 Akatsiya. The vehicle has the running gear of the T-80, but is powered by the T-72's diesel engine. [4]
Assuming that the cash flow calculated does not include the investment made in the project, a profitability index of 1 indicates break-even. Any value lower than one would indicate that the project's present value is less than the initial investment. As the value of the profitability index increases, so does the financial attractiveness of the ...