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In 1968 Shirley Chisholm became the first Black woman elected to the United States Congress. In 1972 she launched a campaign for the Democratic presidential nomination, breaking another political barrier.
MORE →Reflects the personal views, recollections, and perspective of the author, Mike Davis.
This is a personal recollection on the Move fire on May 13, 1985
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In inventory management, a stock keeping unit (abbreviated as SKU, pronounced es-kay-YOU or SKEW[1]) is the unit of measure in which the stocks of a material are managed. It is a distinct type of item for sale,[2] purchase, or tracking in inventory,[3] such as a product or service, and all attributes associated with the item type that distinguish it from other item types (for a product, these attributes can include manufacturer, description, material, size, color, packaging, and warranty terms). When a business records the inventory of its stock, it counts the quantity it has of each unit, or SKU.
SKU can also refer to a unique identifier or code, sometimes represented via a barcode for scanning and tracking, which refers to the particular stock keeping unit. These identifiers are not regulated or standardized. When a company receives items from a vendor, it has a choice of maintaining the vendor's SKU or creating its own.[4] This makes them distinct from Global Trade Item Number (GTIN), which are standard, global tracking units. The Universal Product Code (UPC), European Article Number (EAN), and Australian Product Number (APN) are special cases of GTINs.
SKU is also used in software and software as a service (SaaS), including cloud computing. Cloud service providers such as Google Cloud Platform present different purchasable variations of the product or service as SKUs.[5]
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In inventory management, a stock keeping unit (abbreviated as SKU, pronounced es-kay-YOU or SKEW) is the unit of measure in which the stocks of a material are managed. It is a distinct type of item for sale, purchase, or tracking in inventory, such as a product or service, and all attributes associated with the item type that distinguish it from other item types (for a product, these attributes can include manufacturer, description, material, size, color, packaging, and warranty terms). When a business records the inventory of its stock, it counts the quantity it has of each unit, or SKU. SKU can also refer to a unique identifier or code, sometimes represented via a barcode for scanning and tracking, which refers to the particular stock keeping unit. These identifiers are not regulated or standardized. When a company receives items from a vendor, it has a choice of maintaining the vendor's SKU or creating its own. This makes them distinct from Global Trade Item Number (GTIN), which are standard, global tracking units. The Universal Product Code (UPC), European Article Number (EAN), and Australian Product Number (APN) are special cases of GTINs.
The term stock number can have several meanings: An unique identifier for a sheet of paper, for example airline ticket, paper currency or giro form. Stock numbers are usually printed during the manufacturing process, in addition to any unique identifier that may be added later (e.g. ticket number). Stock keeping unit (SKU) or part number used to uniquely identifier a product within an inventory system or warehouse. NATO Stock Number, the SKU system used by NATO. An obsolete term for oxidation number in inorganic chemistry (see stock nomenclature).
The Electronic Product Code (EPC) is designed as a universal identifier (using an idiosyncratic numerical code for each different commodity) that provides a unique identity for every physical object anywhere in the world, for all time. The EPC structure is defined in the EPCglobal Tag Data Standard, which is a freely available standard. The canonical representation of an EPC is a URI, namely the 'pure-identity URI' representation that is intended for use when referring to a specific physical object in communications about EPCs among information systems and business application software. The EPCglobal Tag Data Standard also defines additional representations of an EPC identifier, such as the tag-encoding URI format and a compact binary format suitable for storing an EPC identifier efficiently within RFID tags (for which the low-cost passive RFID tags typically have limited memory capacity available for the EPC/UII memory bank). The EPCglobal Tag Data Standard defines the structure of the URI syntax and binary format, as well as the encoding and decoding rules to allow conversion between these representations. The EPC is designed as a flexible framework that can support many existing coding schemes, including many coding schemes currently in use with barcode technology. EPC identifiers currently support 7 identification keys from the GS1 system of identifiers, as well as a General Identifier and EPC identifiers that can be used for encoding supplies to the US Department of Defense. EPCs are not designed exclusively for use with RFID data carriers. They can indeed be constructed based on reading of optical data carriers, such as linear bar codes and two-dimensional bar codes, such as Data Matrix symbols. The 'pure identity URI' canonical representation of an EPC is agnostic to the data carrier technology that was used to attach the unique identifier to the individual physical object. The EPC is designed to meet the needs of various industries, while guaranteeing uniqueness for all EPC-compliant tags. Some of the existing GS1 identification keys (such as the Global Returnable Asset Identifier (GRAI)) already provide for unique identification of individual objects. However, the Global Trade Item Number (GTIN) only identifies the product type or stock-keeping unit rather than an individual instance of a particular product type. To ensure that an EPC always uniquely identifies an individual physical object, in the case of a GTIN, the EPC is constructed as a Serialised Global Trade Item Number (SGTIN) by combining a GTIN product identifier with a unique serial number. Both the Universal Product Code and EAN-13 identifiers that are still found on many trade items can be mapped into a 14-digit GTIN identifier, by padding to the left with zero digits to reach a total of 14 digits. An SGTIN EPC identifier can therefore be constructed by combining the resulting GTIN with a unique serial number and following the encoding rules in the EPCglobal Tag Data Standard. The EPC accommodates existing coding schemes and defines new schemes where necessary. Each coding scheme within the EPC identifier framework is distinguished through the use of a separate namespace. In the URI notations, this is indicated using a URI prefix such as urn:epc:id:sgtin or urn:epc:id:sscc In the compact binary encoding of an EPC identifier, the namespace is instead indicated using a compact binary header (typically the first 8 bits of the binary encoding of an EPC identifier). The EPCglobal Tag Data Standard provides details of the URI prefixes and corresponding binary header values. Low-cost passive RFID tags were designed to uniquely identify each item manufactured. In contrast, bar codes for trade items and consumer products have limited capacity and typically only identify the manufacturer and class of products. Although RFID tags are currently still more expensive than a simple optically readable label, they offer additional capabilities such as the ability to be read by radio waves, without requiring 'line of sight' between the reader or interrogator and the tag; this enables individual items within a large cardboard box (case) to be read without first unpacking each individual item from the box. Some RFID tags offer additional read/write user memory that could be used for storage of additional information, such as an expiry date or date of manufacture. Plain text and barcoding are still useful in addition to the EPC tag, as liability obligations for the producer require durable and sufficiently fail-safe labels. Currently (2010) there are no applications in which RFID tags have completely replaced conventional labeling. The EPC was the creation of the MIT Auto-ID Center, a consortium of over 120 global corporations and university labs. EPC identifiers were designed to identify each item manufactured, as opposed to just the manufacturer and class of products, as bar codes do today. The EPC system is currently managed by EPCglobal, Inc., a subsidiary of GS1. The specifications for the EPC identifiers can be found in the EPCglobal, Inc. Tag Data Standard, which is an open standard, freely available for anyone to download. The Electronic Product Code is one of the industrial standards for global RFID usage, and a core element of the EPCglobal Network, an architecture of open standards developed by the GS1 EPCglobal community. Most currently deployed EPC RFID tags comply with ISO/IEC 18000-6C for the RFID air interface standard.
A part number (often abbreviated PN, P/N, part no., or part #) is an identifier of a particular part design or material used in a particular industry. Its purpose is to simplify reference that item. A part number unambiguously identifies a part design within a single corporation, sometimes across several corporations. For example, when specifying a screw, it is easier to refer to "HSC0424PP" than saying "Hardware, screw, machine, 4-40, 3/4" long, pan head, Phillips". In this example, "HSC0424PP" is the part number. It may be prefixed in database fields as "PN HSC0424PP" or "P/N HSC0424PP". The "Part Number" term is often used loosely to refer to items or components (assemblies or parts), and is equivalent to "Item Number", and overlaps with other terms like SKU (Stock Keeping Unit).
Before the 1921 destruction of Tulsa’s Greenwood District, Black residents had created a remarkable center of business and community life. The district included stores, professional offices, entertainment venues and homes owned by Black citizens. Understanding Greenwood means learning what was built—not only what was burned.
MORE →Madam C.J. Walker