Overlay Programming

Overlay may refer to:

Computers

* Overlay network, a computer network which is built on top of another network
* Hardware overlay, one type of video overlay that uses memory dedicated to the application
*Another term for exec, replacing one process by another
* Overlay (programming), a technique to reduce the amount of memory used by a program
* Overlay keyboard, a specialized keyboard with no pre-set keys
*Keyboard overlay, a sheet of printed text sitting between the keys, depicting an alternate keyboard layout
* Vector overlay, an analysis procedure in a geographic information system for integrating multiple data sets

Other uses

* Overlay architecture, temporary elements that supplement existing buildings and infrastructure for major sporting events or festivals
* Overlay control, in semiconductor manufacturing, for monitoring layer-to-layer alignment on multi-layer device structures
* Overlay plan, a method of introducing new area codes in telephony
* Historic overlay district, a zoning district that applies special rules to a portion of other districts, usually for historic or conservation reasons
* Video overlay, techniques to display video on computer display
*When the payoffs in gambling are greater than the costs; see Advantage gambling

See also

* Layover (disambiguation)
* Over (disambiguation)
* Lay (disambiguation)
* Overlap (disambiguation)
* Overload (disambiguation)
* Superposition (disambiguation)
*

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