上位互換性

じょういごかんせい

downward compatibility; backward compatibility; compatibility with input or components intended for lower tier or older systems, versions, etc.; upward compatibility

Meanings

Noun
downward compatibility; backward compatibility; compatibility with input or components intended for lower tier or older systems, versions, etc.
upward compatibility; forward compatibility; compatibility with input or components intended for higher tier or later systems, versions, etc.

Example sentences

旧きゅうシステム用ように書かかれたソフトとの上位互換性じょういごかんせいを保たもつのは大切たいせつです。

It is important to maintain backward compatibility with software that was written to run on the former system.