Category "bitwise-xor"

When bitwise and & operation is greater or equal to bitwise xor ^ operation?

When bitwise & operation is greater or equal to bitwise ^ operation? For example, 4&7 >= 4^7 is true. How do we know when it will be true? The one wa

Why XOR of all subsets of a list have same frequency?

I have a list of numbers a1, a2, a3, a4, a5, ... and so on. If we find XOR of all subsets then I noticed that frequency of each distinct XOR is the same. Exam