A computer program consists of instructions and data on which the instruction operates. How are the instructions of a program executed by a computer? Where are the instructions and data stored during execution? What is the role played by Input/output devices?
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instruction of a program are executed when the data is process and outputted. the execution data are stored in Control Unit. the role of input devices are to input the data and the role of output device or output the processed data
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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.
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