🌐EnglishEnglishDeutschFrançaisРусский中文EntityQ1401211· pop 7· linked from 7 articlesfault modelengineering modelAvailable in 7 languagesFrançaisDeutsch中文РусскийArmenianCatalanvia Wikidata sitelinks · CC0ConnectionsNAND gateEntityauxiliary power unitEntityCategoriesDigital electronicsElectronic designTechnological failures