Computer MCQs, DATA ENTRY OPERATORS IN PUNJAB POLICE DEPARTMENT 2015, PPSC Solved Past Papers MCQsIf, upon booting up a PC, you see a message that says: Keyboard error, It could very likely be _________A. The keyboard is not attached to the PC B. The keyboard has failed C. Either A or B above D. Neither A nor B above A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?Measuring Unit of Capacity of Hard drive is_____
