expression
legacy system
outdated software or hardware still in use
In more detail
1. (noun) an old computer system or software that is still in use in an organization, even though it is outdated and may be difficult to maintain or update
2. (noun) something, such as a system or way of doing things, that has existed for a long time and is hard to change or improve
Examples
- 1. The bank still relies on a legacy system from the 1990s to process customer accounts.
- 2. Moving away from the legacy system requires significant investment and training.
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