Kwamfuta karama ce, kwamfutoci maras tsada tare da microprocessor a matsayin rukunin sarrafa shi (CPU). An ƙera na'urorin microcomputer don amfanin sirri ko ƙananan kasuwanci kuma galibi ana amfani da su a gidaje, makarantu, da ƙananan ofisoshi. Yawanci suna da ƙarancin ƙarfin kwamfuta da ƙwaƙwalwar ajiya fiye da manyan kwamfutoci, kamar manyan manyan kwamfuta ko manyan kwamfutoci, amma suna da ƙarfi sosai kuma ana iya amfani da su don ayyuka da yawa, kamar sarrafa kalmomi, lissafin maƙunsar bayanai, da binciken intanet. Ana amfani da kalmar "microcomputer" sau da yawa tare da "kwamfutar sirri" (PC).