Semioctet
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Semioctet
In computing, a nibble, or spelled nybble to match byte, is a unit of information that is an aggregation of four-bits; half of a byte/octet. The unit is alternatively called nyble, nybl, half-byte or tetrade. In networking or telecommunications, the unit is often called a semi-octet, quadbit, or quartet. As a nibble can represent sixteen () possible values, a nibble value is often shown as a hexadecimal digit (hex digit). A byte is two nibbles, and therefore, a value can be shown as two hex digits. Four-bit computers use nibble-sized data for storage and operations; as the word unit. Such computers were used in early microprocessors, pocket calculators and pocket computers. They continue to be used in some microcontrollers. In this context, 4-bit groups were sometimes also called characters rather than nibbles. History The term ''nibble'' originates from its representing half a byte, with ''byte'' a homophone of the English word ''bite''. In 2014, David B. Benson, a p ...
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Octets In CP866 Ordered By Nibbles
Octet may refer to: Music * Octet (music), ensemble consisting of eight instruments or voices, or composition written for such an ensemble ** String octet, a piece of music written for eight string instruments *** Octet (Mendelssohn), 1825 composition by Felix Mendelssohn *** Octet (Bruch), 1920 composition by Max Bruch ** Octet (Beethoven), 1793 composition by Ludwig van Beethoven ** Octet (Lachner), 1850 composition by Franz Lachner ** ''Octet'' (Reich), 1979 composition by Steve Reich ** Octet (Reinecke),1892 composition by Carl Reinicke ** Octet (Schubert), 1824 composition by Franz Schubert ** Octet (Stravinsky), 1923 composition by Igor Stravinsky * Violin octet, a family of stringed instruments * ''Octet'' (musical), a musical by Dave Malloy Ballet * ''Octet'' (Christensen), 1958 ballet by Willam Christensen * ''Octet'' (Martins), 2003 ballet by Peter Martins Science and technology * Octet (computing), a grouping of eight bits ** Byte, a unit of digital information ...
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English (language)
English is a West Germanic language that developed in early medieval England and has since become a English as a lingua franca, global lingua franca. The namesake of the language is the Angles (tribe), Angles, one of the Germanic peoples that Anglo-Saxon settlement of Britain, migrated to Britain after its End of Roman rule in Britain, Roman occupiers left. English is the list of languages by total number of speakers, most spoken language in the world, primarily due to the global influences of the former British Empire (succeeded by the Commonwealth of Nations) and the United States. English is the list of languages by number of native speakers, third-most spoken native language, after Mandarin Chinese and Spanish language, Spanish; it is also the most widely learned second language in the world, with more second-language speakers than native speakers. English is either the official language or one of the official languages in list of countries and territories where English ...
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Apple II
Apple II ("apple Roman numerals, two", stylized as Apple ][) is a series of microcomputers manufactured by Apple Computer, Inc. from 1977 to 1993. The Apple II (original), original Apple II model, which gave the series its name, was designed by Steve Wozniak and was first sold on June 10, 1977. Its success led to it being followed by the Apple II Plus, Apple IIe, Apple IIc, and Apple IIc Plus, with the 1983 IIe being the most popular. The name is trademarked with square brackets as Apple ][, then, beginning with the IIe, as Apple //. The Apple II was a major advancement over its predecessor, the Apple I, in terms of ease of use, features, and expandability. It became one of several recognizable and successful computers throughout the 1980s, although this was mainly limited to the US. It was aggressively marketed through volume discounts and manufacturing arrangements to educational institutions, which made it the first computer in widespread use in American secondary ...
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Hex Dump
In computing, a hex dump is a textual hexadecimal view (on screen or paper) of computer data, from memory or from a computer file or storage device. Use of a hex dump of data is usually done in the context of either debugging, reverse engineering or digital forensics. Interactive editors that provide a similar view but also manipulating the data in question are called hex editors. In a hex dump, each byte (8 bits) is represented as a two-digit hexadecimal number. Hex dumps are commonly organized into rows of 8 or 16 bytes, sometimes separated by whitespaces. Some hex dumps have the hexadecimal memory address at the beginning. On systems where the conventional representation of data is octal, the equivalent is an ''octal dump''. Some common names for this program function are hexdump, hd, od, xxd and simply dump or even D. Samples The following sample shows output from unix program hexdump, other systems have programs which generate similar output. 0123456789ABCDEF /* ...
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Data Center
A data center is a building, a dedicated space within a building, or a group of buildings used to house computer systems and associated components, such as telecommunications and storage systems. Since IT operations are crucial for business continuity, it generally includes redundant or backup components and infrastructure for power supply, data communication connections, environmental controls (e.g., air conditioning, fire suppression), and various security devices. A large data center is an industrial-scale operation using as much electricity as a medium town. Estimated global data center electricity consumption in 2022 was 240–340  TWh, or roughly 1–1.3% of global electricity demand. This excludes energy used for cryptocurrency mining, which was estimated to be around 110 TWh in 2022, or another 0.4% of global electricity demand. The IEA projects that data center electric use could double between 2022 and 2026. High demand for electricity from data centers, incl ...
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Cash Machine
An automated teller machine (ATM) is an electronic telecommunications device that enables customers of financial institutions to perform financial transactions, such as cash withdrawals, deposits, funds transfers, balance inquiries or account information inquiries, at any time and without the need for direct interaction with bank staff. ATMs are known by a variety of other names, including automatic teller machines (ATMs) in the United States (sometimes redundantly as "ATM machine"). In Canada, the term automated banking machine (ABM) is also used, although ATM is also very commonly used in Canada, with many Canadian organizations using ATM rather than ABM. In British English, the terms cashpoint, cash machine and hole in the wall are also used. ATMs that are not operated by a financial institution are known as " white-label" ATMs. Using an ATM, customers can access their bank deposit or credit accounts in order to make a variety of financial transactions, most notably cash ...
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ISO 8583
ISO 8583 is an international standard for ''financial transaction card originated'' interchange messaging. It is the International Organization for Standardization standard for systems that exchange electronic transactions initiated by cardholders using payment cards. ISO 8583 defines a message format and a communication flow so that different systems can exchange these transaction requests and responses. The vast majority of transactions made when a customer uses a card to make a payment in a store ( EFTPOS) use ISO 8583 at some point in the communication chain, as do transactions made at ATMs. In particular, the Mastercard, Visa and Verve networks base their authorization communications on the ISO 8583 standard, as do many other institutions and networks. Although ISO 8583 defines a common standard, it is not typically used directly by systems or networks. It defines many standard fields (data elements) which remain the same in all systems or networks, and leaves a few add ...
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Kilobaud Microcomputing
''Kilobaud Microcomputing'' was a magazine dedicated to the computer homebrew hobbyists from 1977 to 1983. It was one of the three influential computer magazines of the 1970s, along with ''BYTE'' and ''Creative Computing''. It focused mostly on the kit-build market, rather than the pre-assembled home computers that emerged, and as the kit market declined in the early 1980s, ''Kilobaud'' lost relevance and closed in 1983. After this, company continued publishing other magazines dedicated to particular platforms rather than the kit market. Beginnings Wayne Green was the founder and publisher of ''BYTE'' magazine, one of the influential microcomputer magazines of the 1970s. After putting out four issues, in November 1975 Green came to work and found that his ex-wife and the rest of the ''Byte'' magazine staff had moved out of his office and had taken the January issue with them. Consequently, the January 1976 issue had Virginia Green listed as publisher instead of Wayne Green. ...
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