When we type some letters or words, the computer translates them in numbers as computers can understand only numbers. A computer can understand positional number system where there are only a few symbols called digits and these symbols represent different values depending on the position they occupy in the number. A value of each digit in a number can be determined using; The digit The position of the digit in the number The base of the number system (where base is defined as the total number of digits available in the number system).
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