Maɓallin maɓalliabubuwa ne masu mahimmanci a cikin na'urorin lantarki na zamani, suna ba masu amfani damar yin hulɗa tare da kayan aiki ba tare da matsala ba. Duk da haka, zurfafa cikin fagen maɓallin maɓallin turawa na iya gabatar da kalmomi kamar "NC" da "NO," waɗanda da farko za su iya zama abin mamaki. Mu kawar da wannan rudani, mu fahimci muhimmancinsu.
'NC' - Kullum Rufe: A cikin mahallin maɓallin turawa, 'NC' yana nufin "An rufe Kullum." Wannan yana nuna tsohuwar yanayin canza lambobi lokacin da maballin bai taɓa shi ba. A cikin wannan yanayin, kewayawa tsakanin tashoshi na 'NC' ya cika, yana ba da damar kwararar na yanzu. Bayan danna maballin, kewayawa yana buɗewa, yana rushe kwararar halin yanzu.
'A'A' - Kullum Buɗe: 'NO' yana wakiltar "Buɗe a kullum," yana nuna yanayin canjin lambobi lokacin da maɓallin ke buɗe. A cikin wannan yanayin, da'irar 'NO' ta kasance a buɗe ta tsohuwa. Danna maballin yana fara rufewa da'irar, yana ba da damar na yanzu don ratsawa ta hanyar sauyawa.
Fahimtar ayyukan daidaitawar 'NC' da 'NO' yana da mahimmanci wajen zaɓar maɓallin turawa da ya dace don takamaiman aikace-aikace, ko sun haɗa da matakan tsaro ko sarrafa ayyuka a cikin tsarin lantarki.
