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P3- Represent how data flows around a computer system You must show that you can represent how data flows around a computer system.

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Presentation on theme: "P3- Represent how data flows around a computer system You must show that you can represent how data flows around a computer system."— Presentation transcript:

1 P3- Represent how data flows around a computer system You must show that you can represent how data flows around a computer system.

2 Data Flow CPU Main Memory Backing Storage Output Device Input Device

3 Data Flow  Input device- allows the user to enter data manually  Main memory- temporarily stores data entered by the user [i.e. the RAM]  CPU- processes data transferred from main memory and returns the results it calculates back to main memory  Output device – displays results of the processed data as information [e.g. on a monitor]  Backing storage – more permanently loads and saves data [e.g. hard disk drive]

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