P3 - data flow
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The document describes the main components of a computer system, including the control bus which manages how documents and apps are installed and opened, the data bus which transfers work, the address bus which locates recently saved work, output ports which send saved data to devices like printers, input ports for devices like keyboards and mice, and the microprocessor which acts as the computer's engine and is controlled by programs of instructions.
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P3 - data flow
- 2. CONTROL BUS: • This is where we control how we save and how we open our documents up. This controls how, where and why we install our documents and our apps. This tells the other busses what to do.
- 3. DATA BUS: • The data bus allows us transfer our work to different places.
- 4. ADDRESS BUS: • The address bus lets you locate the work where you have recently saved it. • It’s like a post code, you put it into your satnav and it will take you there.
- 5. OUTPUT PORT: • When the data is saved, you are able to send it to such output devices such as, printers, USB device, monitors and others.
- 6. INPUT PORT: • An input device is any peripheral used to provide data and control signals to an information processing system. Some examples of output devices include keyboards, mice and joysticks.
- 7. MICROPROCESSOR: • A microprocessor is the heart of a computer on a microchip. Microprocessor are therefore the engine of all computers and computer – controlled devices. They are controlled by programs, which are lists of simple instructions.