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(1) The range of a wireless (Wi-Fi) network. See Wi-Fi hotspot.

(2) An icon or part of a larger image used as a link to another document or file. When the hotspot is clicked, the linked material is searched for and displayed. See hypergraphic and image map.

(3) The exact part of an icon or screen pointer that is sensitive to selection. A hotspot may be part of a larger image. For example, an image may have several hotspots, one for each of its components. When clicked, a greater explanation of the component is produced. Where hotspots begin and end determine how easy they are to select.

The screen pointer also has a hotspot, which is a small number of pixels that make contact with the icon's hotspot. For example, the tip of an arrow or finger pointer or the crosspoint of an X-shaped pointer may be the pointer's hotspot.

(4) A network node that is processing at its maximum or is backlogged due to an excessive number of transactions.

(5) The instructions in a program that are executed the most in actual operation. To improve execution performance, the hotspots are the routines that should be refined.

(6) (HotSpot) A Java compiler from Sun that optimizes the parts of the program that are executed most frequently (the hotspots).

(7) (hot spot) An area with excessive heat in the datacenter. Hot spots are typically found near server racks that are not cooled properly. Contrast with "cold spot," which is an area that is too cool, often due to being located close to air conditioning vents.
References in periodicals archive ?
Hotspot Helper provides subscribers with rock-solid security features, solves irksome email delivery problems that can challenge Wi-Fi users, and includes JiWire's legendary public hotspot directory.
The JiWire Hotspot Advertising Network is configured to deliver location-specific advertising and to provide sophisticated tracking of advertising performance, giving advertisers unprecedented control over their advertising campaigns.
Our verified Wi-Fi hotspot directory will enable The Cloud to provide its subscribers with organized, detailed information about The Cloud hotspots in Europe.
Partnering with Orange Business Services offers enterprise customers more options to stay connected to what matters most," said Joe Sims, vice president and general manager, T-Mobile HotSpot.
The coming together of TRACKOS(TM) with the G-4100 makes ZyXEL's proven hotspot gateway an even more attractive solution for current and future customers.
com, based in Dublin, Ireland, operates Europe's largest and fastest-growing free HotSpot network.
Wireless Internet users can download AnchorFree's free Hotspot Shield software for Macs and PCs at http://www.
AnchorFree, the world's largest free Wi-Fi network and community, consisting of more than 12,000 wireless hotspots in over 2,400 cities worldwide, today announced that its Wi-Fi directory is now available on Forbes.
While hotspot deployments are accelerating worldwide, there are key differences among geographical regions.
The wireless hotspot data was gathered from AnchorFree's global directory, which includes over 11,000 free wireless locations and is a collaborative effort by free wi-fi users.