🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPortuguêsSvenskaTiếng ViệtРусскийالعربيةفارسی한국어中文日本語EntityQ1424528· pop 22· linked from 340 articlesWilliams tubeConnectionsdatabaseEntityvacuum tubeEntityCategoriesCathode ray tubeComputer memoryDepartment of Computer Science, University of ManchesterHistory of computing hardwareHistory of computing in the United KingdomRandom-access memoryVacuum tubes