Which is more vulnerable to noise?
A. 2-ary system
B. 4-ary system
C. Binary system
D. None of the mentioned
Answer:A
Which is more vulnerable to noise?
A. 2-ary system B. 4-ary system C. Binary system D. None of the mentioned
Explanation: The minimum energy noise vector for 4-ary system is smaller than 2-ary system. So 4-ary system is more vulnerable to noise.