上位互換

じょういごかんjouigokan

adjectival · noun

1. downward compatible
2. backward compatible
3. compatible with input or components intended for lower tier or older systems, versions, etc.
4. upward compatible
5. forward compatible
6. compatible with input or components intended for higher tier or later systems, versions, etc.
7. providing the same function while being more effective (esp. in games)

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