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Payment card numbers are composed of 8 to 19 digits, [ 1] The leading six or eight digits are the issuer identification number (IIN) sometimes referred to as the bank identification number (BIN). [ 2]: 33 [ 3] The remaining numbers, except the last digit, are the individual account identification number. The last digit is the Luhn check digit.
Cyclic redundancy check. A cyclic redundancy check ( CRC) is an error-detecting code commonly used in digital networks and storage devices to detect accidental changes to digital data. [ 1][ 2] Blocks of data entering these systems get a short check value attached, based on the remainder of a polynomial division of their contents.
Example of a trash can or recycling bin "containing files" icon, here designed by the Tango Desktop Project. In computing, the trash, also known by other names such as dustbin, wastebasket, and others, is a graphical user interface desktop metaphor for temporary storage for files set aside by the user for deletion, but not yet permanently erased.
Histogram. A histogram is a visual representation of the distribution of quantitative data. The term was first introduced by Karl Pearson. [ 1] To construct a histogram, the first step is to "bin" (or "bucket") the range of values— divide the entire range of values into a series of intervals—and then count how many values fall into each ...
A binary file is a computer file that is not a text file. [ 1] The term "binary file" is often used as a term meaning "non-text file". [ 2] Many binary file formats contain parts that can be interpreted as text; for example, some computer document files containing formatted text, such as older Microsoft Word document files, contain the text of ...
Osama bin Laden. Osama bin Mohammed bin Awad bin Laden ( Arabic: أسامة بن محمد بن عوض بن لادن, romanized : Usāma bin Muḥammad bin ʿAwaḍ bin Lādin; 10 March 1957 – 2 May 2011) was a Saudi Arabian-born Islamist dissident and militant leader who was the founder and first general emir of al-Qaeda from 1988 until his ...
International Bank Account Number. A typical British bank statement header (from a fictitious bank), showing the location of the account's IBAN. The International Bank Account Number ( IBAN) is an internationally agreed upon system of identifying bank accounts across national borders to facilitate the communication and processing of cross ...
Luhn algorithm. The Luhn algorithm or Luhn formula, also known as the " modulus 10" or "mod 10" algorithm, named after its creator, IBM scientist Hans Peter Luhn, is a simple check digit formula used to validate a variety of identification numbers. It is described in US patent 2950048A, granted on 23 August 1960. [ 1]