The A1 reference article from the English Wikipedia on 24-Apr-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

A1

In computing, A1 means Address 1 code.

An a1 code interpreter, by Matthew Newhook was used to test compiler output. It requires gcc 2.4.2 or higher and is portable to computers with memory segment protection.

[1]

See also:

• Programming language

This article (or an earlier version of it) contains material from FOLDOC, used with permission.

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In shipping, the designation A1 is a symbol used to denote quality of construction and material. In the various shipping registers ships are classed and given a rating after an official examination, and assigned a classification mark, which appears in addition to other particulars in those registers after the name of the ship. See Shipbuilding. It is popularly used to indicate the highest degree of excellence.

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There are also several roads and freeways named the A1:

A1 freeway, Austria

A1 road, Britain from London to Edinburgh

A1 freeway, Cyprus

A1 freeway, France Paris to, (at the Belgian border)

A1 freeway, Germany

A1 road, Italy from Milan to Naples

A1 road, Northern Ireland from Belfast to Newry

A1 freeway, Poland

A1 freeway, Spain

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A1 is also a steak sauce.

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