1) touch screen is one of…..units a) input b) output c) none of all mentioned d) input and output 2) ……is the memory which keep data temporarily a) Rom b) flash memory c) Ram d) all mentioned 3) ……electronic device to store data and process data convert into information a) data b) computer c) information d) keyboard 4) the main content of computer are: a) human ware b) software c) data and information d) hardware e) all of them

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