Binary Data - GCSE Computing

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In our everyday lives, we use a number system that uses the numbers 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9. This is called a 'Denary System'.

So we can say that a 1 represents a switch that is ON and 0 represents a switch that is OFF.

A 'bit' (short for Binary Digit) is


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