The phrase "obsolete system" refers to a system or technology that is no longer useful or relevant due to newer and more advanced alternatives being available. Full definition
Maintaining data consistency and stock accuracy in an accelerated environment is always tough if a company is following obsolete system that requires a dozen of workers to make manual data entry by compromising the new technologies available in a competitive market. (goodsorderinventory.com)
But the Arsenal's display when facing Leicester, Stoke and Liverpool showed that they are still using the same obsolete system. (justarsenal.com)
Reconciled Sonoco plant inventory prior to Oracle implementation with previous obsolete system (jobhero.com)