Hexadecimal is a base-16 number system that uses sixteen distinct symbols: the numbers 0-9 and the letters A-F to represent values from zero to fifteen. This system is particularly useful in digital electronics because it provides a more compact representation of binary data, making it easier for engineers to work with large binary numbers. Hexadecimal notation simplifies the representation of binary-coded values, which is crucial when designing and understanding logic gates and digital circuits.
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