Computer Science for IGCSE & O level - Data Representation (Section 7 - No. 18)
How are the on and off states of an electronic switch represented in the binary system?
By the digits 2 and 3
By the letters A and B
By the numbers 0 and 1
By the words "on" and "off".
Explanation
The binary system uses 0 and 1 to represent the two states.
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