2Which machine used decimal point system for calculation:aTabulator bAbacus cAnalytical EnginedNapier BonesShow answer
4Liebniz wheel was known as Stepped Reckoner because of :aWheelsbGrooved Wheels cGearsdNoneShow answer
5Who invented Difference Engine?aCharles Babbage bBliaise PascalcJohn Napier dHarman HollerithShow answer
6Input into Analytical Engine was carried out through:aKeyboard bCardscPunched cardsdWheelsShow answer
