What does Backward compatibility mean?

Backward compatibility meaning in Law Dictionary

When newer software can work because of the older variation. AKA downward compatibility. Refer to ascending compatibility.

Backward compatibility meaning in Business Dictionary

Feature of a fresh hardware or computer software that allows it to work alongside the older or less effective versions of the identical and, often, other hardware or computer software. Also referred to as downward compatibility. See also ascending compatibility.

Backward compatibility meaning in Computer Science Dictionary

Occasionally described as downward suitable, backward compatibility is a term accustomed describe an application program or equipment device this is certainly compatible with previous versions of computer software or systems. The Intel 80286 had been the first computer system processor is backwards appropriate for earlier processors. Without backwards compatibility, a program that actually works with one computer processor or os would are amiss with all the brand new version.