Draw a basic computer system model.

What is hardware?

Hardware is any physical component that makes up the computer.

What is sofware?

Software is any program that runs on the computer.

What do input devices do?

Input devices take real‐world data
and convert into a form that can be stored on the
computer.

What does this process do?

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Inputs Data

Convert real world data into a form that can be stored on the computer.

What does this process do?

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Output

Inputs from devices will generate an output. The output device could be a computer screen, a motor that opens a greenhouse window or a speaker that produces a sound.

Why does a computer system need storage?

The computer system may need to use stored data to perform the processing and, as a result of processing input, may generate data that is then stored.