Na 1979, mmalite nke VisiCalc spreadsheet (nke mbụ maka Apple II) buru ụzọ gbanwee microcomputer site na ntụrụndụ maka ndị na-anụ ọkụ n'obi na kọmputa n'ime ngwá ọrụ azụmahịa. Mgbe 1981 tọhapụrụ IBM nke IBM PC ya, a malitere iji kọmputa nkeonwe eme ihe maka microcomputers dakọtara na IBM PC architecture (PC dakọtara). Ajụjụ: Kedu kọmputa ndị gbanwere ngwá ọrụ nke ụlọ ọrụ?
VisiCalc spreadsheet