I-motherboard yeyona nto iphambili kwinkqubo yehardware yokukopisha. Umsebenzi wayo ophambili kukudlulisa iimpawu ezahlukeneyo ze-elektroniki. Umgangatho we-motherboard umisela ngandlela ithile ukusebenza kwayo iyonke, ubomi benkonzo, kunye nokukwazi kwayo ukwandisa umsebenzi wekhompyutha.
