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    Question

    Which numbering system consists of digits 0-9 and letters

    A-F?
    A Hexadecimal number system Correct Answer Incorrect Answer
    B Octal number system Correct Answer Incorrect Answer
    C Decimal number system Correct Answer Incorrect Answer
    D Binary number system Correct Answer Incorrect Answer
    E Cache number system Correct Answer Incorrect Answer

    Solution

    The hexadecimal system (base 16) is a numbering system that uses 16 symbols: the digits 0-9 and letters A-F. Letters represent decimal values beyond 9 (A = 10, B = 11, ..., F = 15). It is commonly used in computing, particularly in memory addressing, color codes, and assembly language.

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