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Explain Hot spot

Hot spot: This is an area in an image map with a specific significance. A program usually monitors movements of the mouse, and reacts according to the actions related with the hot spots over which it passes. This may comprise displaying various status information, for instance. Frequently, clicking the mouse on a hot spot is utilized to point out that the program must activate a related action. The term hot spot is too employed to show a computationally intensive portion of a program, like an inner loop. Such places are frequently a potential target for the program optimization.

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