What Does Backwards Compatible Mean?
As computers, software and electronics evolve, it is important that new versions of the technology work with existing versions whenever possible. New technologies that can still use older, existing technologies are said to be backwards compatible.
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Significance
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Backwards compatibility is important because it ensures new versions of existing technologies are compatible with older ones. For instance, files created in a previous version of a software program would not be able to be opened in a new version of the software program, if the program is not backwards compatible.
Scope
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Backwards compatibility is considered when making any type of new technology. For instance, game system developers must decide whether the system will be backwards compatible with games released for previous versions of the system. Likewise, operating system companies such as Microsoft and Apple must decide what previously-released versions of software they will make their new operating system backwards compatible with. How much backwards compatibility to build into a new product must be considered for every technology sector.
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Considerations
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Although it is often beneficial for new technologies to be compatible with similar, existing technologies, backwards compatibility is not always worth the investment. The time developers spend ensuring new technologies are backwards compatible could be spent inventing new technologies. Additionally, the additional electronics and software needed to make products backward compatible can increase costs and slow programs down.
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