Assembly language, a Rare card

The card carries these facts from its Wikipedia article.

• Assembly language usually has one statement per machine code instruction, but constants, comments, assembler directives, symbolic labels of, e.g., memory locations, registers, and macros are generally also supported.
• The first assembly code in which a language is used to represent machine code instructions is found in Andrew Donald Booth and Kathleen H.V. Britten's 1947 work, Coding for A.R.C. Assembly code is converted into executable machine code by a utility program referred to as an assembler.
• The term "assembler" is generally attributed to Wilkes, Wheeler and Gill in their 1951 book The Preparation of Programs for an Electronic Digital Computer, who, however, used the term to mean "a program that assembles another program consisting of several sections into a single program".

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Assembly language article was read about 400,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 84 and blocks with 64: each hit it takes is cut by 26 %.

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The cards just above and just below Assembly language in the power ranking, all domains together.