Isikhwence

Isikhwence (noma isikhwence sesiCikizi okanye igundane) siyinsiza yokukhomba ebanjwa ngesandla ehlonga umdiki omngakombili ohlobene nendawo. Lo mdiki noma mnyakazo uvame ukuhuntushwa njengomnyakazo wesikhombi (okuthiwa ikhesa) embukisweni, okuyisehlo esivumela ukulawula okushelelayo kumfanekiso oyisixhakazimo womsebenzisi wesiCikizi .

Umbukiswano wokuqala womphakathi wesikhwence esilawula uhlelo lwesiCikizi wenziwa ngu-Doug Engelbert ngowe-1968 njengengxenye ye-Mother of all Demos.