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However, the capacity was also quoted "1.2 MB", [40] which was a hybrid decimal and binary notation, since the "M" meant 1000 × 1024. The precise value was 1.2288 MB (decimal) or 1.171 875 MiB (binary). The 5.25-inch Apple Disk II had 256 bytes per sector, 13 sectors per track, 35 tracks per side, or a total capacity of 116 480 bytes.
Two to the power of n, written as 2 n, is the number of values in which the bits in a binary word of length n can be set, where each bit is either of two values. A word, interpreted as representing an integer in a range starting at zero, referred to as an "unsigned integer", can represent values from 0 (000...000 2) to 2 n − 1 (111...111 2) inclusively.
Previously, the index was scored on a scale of 10 to 0; it was originally rounded to two decimal spaces from 1995-1997 and to a single decimal space from 1998. Since 2012, published in February 2025, currently ranks 180 countries "on a scale from 100 (very clean) to 0 (highly corrupt)" based on the situation between 1 May 2023 and 30 April 2024.
Many new nuclear plants will be constructed, mainly to replace old ones. The nuclear part of electricity generation will increase from 11 to 12%. The renewable part goes up much more, from 21 to 33%. The IEA warns that in order to restrict global warming to 2 °C, carbon dioxide emissions [22] must not exceed 1000 gigaton (Gt) from 2014. This ...
The Democracy Index published by the Economist Group is an index measuring the quality of democracy across the world. This quantitative and comparative assessment is centrally concerned with democratic rights and democratic institutions.
By 2007 it had dropped again and the rate stood at 3.5% (December 2007), its lowest level since the current method of surveying began in 1986. This gave the country the 5th-best ranking in the OECD (with an OECD average at the time of 5.5%). The low numbers correlated with a robust economy and a large backlog of job positions at all levels. [124]
The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [6] [7] [8] The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; [9] the pattern of the position detection markers was determined by finding the least-used sequence of ...
If inflation occurs at a low scale and lasts sufficiently long, the axion mass can be as low as 1 peV/ c 2. [ 124 ] [ 125 ] [ 126 ] Because axions have extremely low mass, their de Broglie wavelength is very large, in turn meaning that quantum effects could help resolve the small-scale problems of the Lambda-CDM model.