Kalmar "CU" ba ta da ma'anar ƙamus da aka sanni sosai. Ana iya amfani da shi azaman gajarta ko gajartawa a cikin takamaiman mahallin, kamar: suna da haɗin kai na gamayya, kamar yin aiki ga ma’aikaci ɗaya ko kuma zama a cikin al’umma ɗaya.CU: An taƙaitawa don “See You,” hanya ce ta yau da kullun da ta bankwana, yawanci ana amfani da ita a saƙon kan layi. ko yin rubutu. CU: Ƙaƙwalwar “Control Unit,” wani bangare ne na kwamfuta da ke sarrafa kwararar bayanai tsakanin CPU, memory, da na’urorin da ke gefe.CU: Ƙaƙwalwar kalmar "Copper Unit," ma'aunin wutar lantarki da ake amfani da shi a cikin masana'antar tagulla.Ba tare da mahallin ba, yana da wuya a tantance takamaiman ma'anar kalmar "CU."