Ibyuma bidafite ingese cyangwa ibikoresho bisize irangi bikoreshwa imbere murubanza, bigatuma birwanya ruswa, byoroshye koza kandi byoroshye gukoresha, kandi ntibihumanye. Isahani yinyuma iri hamwe nifu yifu ya firime ya silika kumasahani yicyuma gikonje, byoroshye kuyisukura , biramba, byoroshye;
Igenzura rya elegitoroniki ya microcomputer ituma ubushyuhe bwimbere murubanza burushaho kuba bwiza.Gukuramo gahoro gahoro bituma imbaraga zizigama iyo zikora nijoro;