Multiple Choice Questions On Information Technology - Page 1

1) Full form of "OS" is? Order of significanceOperating systemOpen softwareOptical SensorShow/Hide Answer Answer = B2) The ribbon is used in ? Laser PrinterPlotterInk-jet printerDot Matrix printerShow/Hide Answer Answer = D3)  Address book contains? Email addressPhone numbersPeople NamesAll of the aboveShow/Hide Answer Answer = D4) Full form of "DOCOMO" ? Do Connect over MobileDo Communications