downward compatibility

downward compatibility

[′dau̇n·wərd kəm‚pad·ə′bil·əd·ē]
(computer science)
The ability of an older or smaller computer to accept programs from a newer or larger one. Also known as backward compatibility.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

backward compatible

Hardware or software that is compatible with earlier versions of the product. Also called "downward compatible." Contrast with forward compatible.
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References in periodicals archive ?
Over 70% of users are satisfied with the assigning of the sensor parameters through the control system, the sensor smart profile and IO-Link's downward compatibility for binary sensors.
In a more tactical development, the company has announced that they've launched a new release of its Version 5 PLM platform, V5-6R2012, which allows users to edit features of V6 models within V5, thereby allowing downward compatibility between versions, making it easier for customers to work in mixed V5/V6 environments.--GSV
DS' V5R21 delivers upward and downward compatibility between CATIA V5 and V6 data that is equivalent to the compatibility between two releases of V5.
Yen Hsiang-yu, MIC industry analyst, explains that the 16e WiMAX CPE has been rapidly replacing 16d counterparts due to their downward compatibility, leading to a generation-shift period.
The newly defined coding scheme allows fully discrete surround sound transmissions over DAB with a minimum overhead of 16 kBit/sec, while still maintaining the downward compatibility to stereo.
Most controls manufacturers incorporate some levels of "downward compatibility" in their newer product offerings, meaning that, for example, older part programs will run on newer systems.
Ensuring full downward compatibility with legacy systems while offering unprecedented capacity and swift data transfer rates certainly entitles the MO group to use "High Performance" in its committee's name.