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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 ?
Ensure network performance: The level of expectation is increasing regarding hotspot performance, and network bandwidth management capabilities are increasingly critical to effectively competing in the hotspot market.
It is therefore possible for the first time to discuss the nature of the radiation-producing processes in such a hotspot on the basis of a range of frequencies emitted that runs from 1 billion to 100 trillion hertz, Meisenheimer and Roser say.
With almost 46,000 hotspots worldwide, the hospitality industry continues to embrace Wi-Fi.
It was the first hotspot Directory to focus exclusively on Free Wi-Fi locations.
Lexington, KY (26 hotspots with a population of 268,080)
adults who have connected to the Internet wirelessly at a free public hotspot (n= 379) is higher and varies.
Hotspot Helper integrates solutions to the most common challenges facing both novice and experienced Wi-Fi users: where to find a hotspot and how to use it safely, securely, and reliably," said Kevin McKenzie, chief executive officer of JiWire.
The JiWire Hotspot Advertising Network provides us with a unique, cutting-edge channel to this critically important community of potential customers.
By selecting JiWire, we can provide our customers with the world's best Wi-Fi hotspot directory and free ourselves from the continuous burden of maintaining, verifying and upgrading our ever-expanding site list.
T-Mobile HotSpot operates the largest carrier grade, commercial WiFi network in the United States offering access at premier venues such as major U.
JiWire maintains the world's most complete public Wi-Fi hotspot directory and is the trusted source of public Wi-Fi information and services, making them the natural choice to confirm that our citywide Wi-Fi hotzone is the largest in the world," said Taipei Mayor Ma Ying-jeou.