Input (grade 10): In computing, the question mark character is represented by ASCII code 63 (0x3F hexadecimal), and is located at Unicode code-point U +003 F/O. The full-width (double-byte) equivalent, ï 1\/4, is located at Unicode code point U+FF 1F.
Output (grade 10): In computing, the question mark character is represented by ASCII code 63, and is located at Unicode code-point U +003 F/O. The full-width (double-byte) equivalent, ï 1\/4, is located at Unicode code point U+FF 1F.