Hamming Code Problems

Do the Hamming codes embedded in each of the the following messages detect any error? Note that all errors are single-bit; Hamming cannot detect multi-bit errors reliably.


  1. 12345678910111213141516171819202122
    1001100001110001011001

  2. 1234567891011
    01110100110

  3. 123456789101112131415
    111110011001001

  4. 1234567891011121314151617
    01011001011010000

  5. 12345678910111213
    1101001101101

  6. 1234567891011121314151617181920
    11110010010101011101