English: electronic retrieval system
Welsh: system adfer electronig
Subject: Cyffredinol
English definition: Any electronic equipment that allows for the finding of and access to information from memory or other forms of storage, such as files.
Welsh definition: Unrhyw offer electronig sy'n hyrwyddo dod o hyd i, a chyrchu gwybodaeth o gof neu ffurfiau eraill ar storio, megis ffeiliau.