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Hole 2. on the World Wide Web, an instance of someone elsewhere calling up the web page and viewing it. The popularity of a web site is measured in hits per day. Hive hive a major section of the Windows REGISTRY that is automatically backed up on an external file. Examples of hives include HKEY_CURRENT_USER, [...]

Graphics Card raster graphics or bitmap graphics, in which the screen or plotting area is divided into a rectangular array of points (called pixels, from “picture cells”), and the computer is told what color each point should be. Computer screens and printers are raster devices, but some graphics soft- ware uses vector-style instructions internally so [...]

Free Software Figure 118 shows the appearance of this page when displayed by the browser. If the right-hand frame did contain a large amount of text, the user could scroll through it while the links on the left-hand side always stayed in the same place, making it easier to jump to other sections of the [...]

Fragmentation Fractal fractal a shape that contains an infinite amount of fine detail. That is, no matter how much a fractal is enlarged, there is still more detail to be revealed by enlarging it further. Fractals are common in nature; they are the shapes of clouds, coastlines, broken rocks, the edges of torn pieces of [...]

advance fee fraud 14 lines; called asymmetric because the upstream and downstream data rates are different. Full-rate ADSL provides data rates of up to 8 Mbps downstream and 1.5 Mbps upstream. The variety of ADSL commonly provided to homes is called G.lite and provides data rates up to 1.5 Mbps downstream and 0.5 Mbps upstream. See DSL and [...]

Access Access a powerful, highly programmable RELATIONAL DATABASE marketed by Microsoft as part of the Office suite of products. access control list in Windows, the list of which users or groups are allowed to use a file, directory, or device. See CACLS. access provider see INTERNET SERVICE PROVIDER. access time the amount of time needed by a memory device to transfer data to the [...]

Real time systems are used when rigid time requirements are placed on the operation of a processor or the flow of data; thus it is often used as a control device in a dedicated application. Examples are systems that control scientific experiments, medical imaging systems, industrial control systems and certain display systems. A real  time [...]

A Gas Governor Some readers may have noticed that late at night a gas-jet, which a few hours before burned with a somewhat feeble flame when the tap was turned fully on, now becomes more and more vigorous, and finally may flare up with a hissing sound. This is because many of the burners fed [...]

The Consumption of Cacao The Kernels that come to us from the Coast of Caraqua, are more oily, and less bitter, than those that come from the French Islands, and in France and Spain they prefer them to these latter. But in Germany and in the North (Fides sit penes autorem) they have a quite [...]

Adulteration & the Need for Definitions Those that mix maize in the Chocolate do very ill, for they beget bilious and melancholy humours. A Curious Treatise on the Nature and Quality of Chocolate, Antonio Colmenero de Ledesma, 1685. COCOA. Cocoa might conveniently be defined as consisting exclusively of shelled, roasted, finely-ground cacao beans, partially de-fatted, [...]