Question

A computer program consists of instructions and data on which the instruction operates.how are the instruction of a program excuted by a computer?where are the instruction and data stored during execution?what is the role played by input/output devices.

Answer 1

Ram and harddisk is where the instructions and data is stored during execution. THE role that is played by  output device is that it shows u which means its played by monitor . input is played by keyboard to to put instructions. IM NOT SURE ABOUT THE ROLES IF I DIDNT EXPLAIN RIGHT !

Answer 2

A computer is a machine composed of hardware and software components. A computer receives data through an input unit based on the instructions it is given and after it processes the data, it sends it back through an output device. ... To better imagine how a computer works, knowing what's inside will make it easier.