Banking Computers Science IBPS RRBs Officer Assistant Exam CWE-IV 20-09-2015

  • question_answer
    Which of the following is not a binary number?

    A)  123111            

    B)  100101

    C)  100000            

    D)  101010

    E)  111111

    Correct Answer: A

    Solution :

    [a] In mathematics and digital electronics, a binary number is a number expressed in the binary numeral system or basc-2 numeral system which represents numeric values using two different symbols: typically 0 (zero) and 1 (one). So 123111 is not a binary number.


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