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  2. Item Unique Identification - Wikipedia

    en.wikipedia.org/wiki/Item_Unique_Identification

    UID-marking is a set of data for assets that is globally unique and unambiguous. The technology used to mark an item is 2D Data Matrix ECC 200 Symbol. UID marking can be used to ensure data integrity and data quality throughout an item's lifecycle; it also supports multi-faceted business applications.

  3. Data Matrix - Wikipedia

    en.wikipedia.org/wiki/Data_Matrix

    A Data Matrix on a Mini PCI card, encoding the serial number 15C06E115AZC72983004. The most popular application for Data Matrix is marking small items, due to the code's ability to encode fifty characters in a symbol that is readable at 2 or 3 mm 2 (0.003 or 0.005 sq in) and the fact that the code can be read with only a 20% contrast ratio. [1]

  4. MIL-STD-130 - Wikipedia

    en.wikipedia.org/wiki/MIL-STD-130

    For items that are not subject to DFARS mandated marking, the Data Matrix ECC 200 symbol using ISO/IEC 15434 syntax and the semantics of ISO/IEC 15418 or ATA CSDD is preferred. Unless specified below, MH10.8.7 is the MRI marking protocol that should be used to mark all items. MIL-STD-130 compliant 2D matrix

  5. Direct part marking - Wikipedia

    en.wikipedia.org/wiki/Direct_Part_Marking

    Highly polished metal surfaces should be textured to reduce glare prior to marking. The textured area should extend one symbol width beyond the borders of marking. Part Size When a 2D Symbol is used, the size of the part is not a relevant factor as the available marking area is reduced to below 1/4 inch square. Operating environment / age life

  6. List of computing and IT abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_computing_and_IT...

    AM—Active Matrix; AMOLED—Active-Matrix Organic Light-Emitting Diode; AM—Active Monitor; AM—Allied Mastercomputer; AM—Amplitude Modulation; AMD—Advanced Micro Devices; AMQP—Advanced Message Queuing Protocol; AMR—Audio Modem Riser; ANN—Artificial Neural Network; ANSI—American National Standards Institute; ANT—Another Neat Tool

  7. N2 chart - Wikipedia

    en.wikipedia.org/wiki/N2_Chart

    The N 2 chart or N 2 diagram (pronounced "en-two" or "en-squared") is a chart or diagram in the shape of a matrix, representing functional or physical interfaces between system elements. It is used to systematically identify, define, tabulate, design, and analyze functional and physical interfaces.

  8. Reference designator - Wikipedia

    en.wikipedia.org/wiki/Reference_designator

    IEEE 200-1975 or "Standard Reference Designations for Electrical and Electronics Parts and Equipments" is a standard that was used to define referencing naming systems for collections of electronic equipment. IEEE 200 was ratified in 1975. The IEEE renewed the standard in the 1990s, but withdrew it from active support shortly thereafter.

  9. Error correction code - Wikipedia

    en.wikipedia.org/wiki/Error_correction_code

    The two main categories of ECC codes are block codes and convolutional codes. Block codes work on fixed-size blocks (packets) of bits or symbols of predetermined size. Practical block codes can generally be hard-decoded in polynomial time to their block length. Convolutional codes work on bit or symbol streams of arbitrary length.