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  2. Planned obsolescence - Wikipedia

    en.wikipedia.org/wiki/Planned_obsolescence

    Notable works. Organizations and groups. People. Related social movements. See also. v. t. e. In economics and industrial design, planned obsolescence (also called built-in obsolescence or premature obsolescence) is the concept of policies planning or designing a product with an artificially limited useful life or a purposely frail design, so ...

  3. Warranty - Wikipedia

    en.wikipedia.org/wiki/Warranty

    Warranty. In law, a warranty is an expressed or implied promise or assurance of some kind. The term's meaning varies across legal subjects. [1] In property law, it refers to a covenant by the grantor of a deed. [2] In insurance law, it refers to a promise by the purchaser of an insurance about the thing or person to be insured.

  4. Printer Command Language - Wikipedia

    en.wikipedia.org/wiki/Printer_Command_Language

    Printer Command Language, more commonly referred to as PCL, is a page description language (PDL) developed by Hewlett-Packard as a printer protocol and has become a de facto industry standard. Originally developed for early inkjet printers in 1984, PCL has been released in varying levels for thermal , matrix , and page printers.

  5. Data Matrix - Wikipedia

    en.wikipedia.org/wiki/Data_Matrix

    A Data Matrix is a two-dimensional code consisting of black and white "cells" or dots arranged in either a square or rectangular pattern, also known as a matrix. The information to be encoded can be text or numeric data. Usual data size is from a few bytes up to 1556 bytes. The length of the encoded data depends on the number of cells in the ...

  6. Universal Product Code - Wikipedia

    en.wikipedia.org/wiki/Universal_Product_Code

    The Universal Product Code ( UPC or UPC code) is a barcode symbology that is used worldwide for tracking trade items in stores. The chosen symbology has bars (or spaces) of exactly 1, 2, 3, or 4 units wide each; each decimal digit to be encoded consists of two bars and two spaces chosen to have a total width of 7 units, in both an "even" and an ...

  7. Dots per inch - Wikipedia

    en.wikipedia.org/wiki/Dots_per_inch

    Dots per inch. A close-up of the dots produced by an inkjet printer at draft quality. Actual size is approximately 1⁄4 by 1⁄4 inch (6 by 6 mm). Individual coloured droplets of ink are visible; this sample is about 150 DPI. Dots per inch ( DPI, or dpi [1]) is a measure of spatial printing, video or image scanner dot density, in particular ...

  8. Hewlett-Packard - Wikipedia

    en.wikipedia.org/wiki/Hewlett-Packard

    Hewlett-Packard. / 37.4136; -122.1451. The Hewlett-Packard Company, commonly shortened to Hewlett-Packard ( / ˈhjuːlɪt ˈpækərd / HYEW-lit PAK-ərd) or HP, was an American multinational information technology company headquartered in Palo Alto, California. HP developed and provided a wide variety of hardware components, as well as software ...

  9. Part number - Wikipedia

    en.wikipedia.org/wiki/Part_number

    A business using a part will often use a different part number than the various manufacturers of that part do. This is especially common for catalog hardware, because the same or similar part design (say, a screw with a certain standard thread, of a certain length) might be made by many corporations (as opposed to unique part designs, made by only one or a few).