Assuming that each of the following bit patterns originally had even parity,which one contains an error?
A) 100110100
B) 110000011
C) 010011000
D) 100011001

Question

Quizplus · Accepted Answer

For even parity, the number of 1s in a bit pattern must always be even. 
A) 100110100 has 5 1s, which is odd 
B) 110000011 has 5 1s, which is odd 
C) 010011000 has 3 1s, which is odd <-- Error 
D) 100011001 has 4 1s, which is even

Assuming That Each of the Following Bit Patterns Originally Had