Purchasing network-wide

Additional modules available for some, but not all, concentrators may allow data traffic from this network in box to travel to other local LANs via bridge or router add-on modules. (Bridges and routers will be discussed in the next section on internetworking.) These combination concentrators are sometimes called internetworking hubs. Communication to remote LANs or workstations maybe available through the addition of other specialized cards, or modules, designed to provide access to wide area network services purchased from common carriers. 

A second example also relates to combination anti-malarials. Another firm was benefitting from a new formulation available from its parent company, alongside support from its international network to, for example, assure quality of APIs at source. A third firm (currently closed) had benefitted from an EU grant to fund a new turnkey plant to produce anti-retrovirals plant for HIV/AIDS treatment. Without this type of substantial external input, it is hard for the firms in Tanzania to enhance their capabilities sufficiently rapidly to regain access to the regional market for anti-malarials and other medication widely purchased by donors. 

Computer languages are necessary for a wide variety of everyday applications, ranging from cell phones, microwaves, and security systems to banking, online purchases, Web sites, auction sites (such as eBay), social-networking sites (such as Facebook), and Internet search engines (such as Google). 

Wide area networking Also known as enterprise networking, involves the connection of computers, network nodes, or LANs over a sufficient distance as to require the purchase of wide area network (WAN) service from the phone company or alternative carrier. In some cases, the wide area portion of the network may be owned and operated by the corporation itself Nonetheless, the geographic distance between nodes is the determining factor in categorizing a wide area network. A subset of WANs known as metropolitan area networks (MANs) are confined to a campus or metropoHtan area of usually not more than a few miles in diameter. 

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