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General pattern: HB-AAA to HB-ZZZ, with HB-1 to HB-9999 for Gliders and Motorgliders. The registration often denotes the aircraft type and maker. Some examples: HB-Axx two-engined aircraft from 5.7 to 15 tons, Aircraft over 15 tons due to shortage of Jxx. HB-Bxx balloons; HB-Cxx single-engined Cessnas under 5.7 tons
In one form, product activation refers to a method invented by Ric Richardson and patented (U.S. patent 5,490,216) by Uniloc where a software application hashes hardware serial numbers and an ID number specific to the product's license (a product key) to generate a unique installation ID.
[23] [24] Most software projects speed up their development by reusing or incorporating existing software, either in the form of commercial off-the-shelf (COTS) or open-source software. [ 25 ] [ 26 ] Software quality assurance is typically a combination of manual code review by other engineers [ 27 ] and automated software testing .
A software serial number, otherwise called a product key, is usually not embedded in the software but is assigned to a specific user with a right to use the software. The software will function only if a potential user enters a valid product code. The vast majority of possible codes are rejected by the software.
The country in which a motor vehicle 's vehicle registration plate was issued may be indicated by an international vehicle registration code, also called Vehicle Registration Identification code or VRI code, formerly known as an International Registration Letter[1] or International Circulation Mark. [2] It is referred to as the Distinguishing ...
The United Nations uses a combination of ISO 3166-1 alpha-2 and alpha-3 codes, along with codes that pre-date the creation of ISO 3166, for international vehicle registration codes, which are codes used to identify the issuing country of a vehicle registration plate; some of these codes are currently indeterminately reserved in ISO 3166-1. [13]
A Van's Aircraft RV-7 displaying registration G-KELS. The G prefix denotes a civil aircraft registered in the United Kingdom. Geographic map of registration prefixes. An aircraft registration is a code unique to a single aircraft, required by international convention to be marked on the exterior of every civil aircraft.
A condition is a leaf-level Boolean expression (it cannot be broken down into simpler Boolean expressions). Decision. A Boolean expression composed of conditions and zero or more Boolean operators. A decision without a Boolean operator is a condition. A decision does not imply a change of control flow, e.g. an assignment of a boolean expression ...