[Solved] What does Hamming weight/population count mean in Bit arrays?

What does Hamming weight/population count mean in Bit arrays?

a) Finding the number of 1 bit in a bit array
b) Finding the number of 0 bit in a bit array
c) Finding the sum of bits in a bit array
d) Finding the average number of 1’s and 0’s in bit arrays

Answer: a
Explanation: Hamming/ population count involves finding the number of 1’s in the bit array. Population count is used in data compression.

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