Conversion of decimal number 34 into binary is:
34 / 2 = 17 with remainder 0
17 / 2 = 8 with remainder 1
8 / 2 = 4 with remainder 0
4 / 2 = 2 with remainder 0
2 / 2 = 1 with remainder 0
1 / 2 = 0 with remainder 1
Hence, the decimal number 34 in binary is 100010.