- A It counts the number of bits that are ON (1) in the number num.
- B It counts the number of bits that are OFF (0) in the number num.
- C It sets all bits in the number num to 1
- D Error
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Answer:
A
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Option A:
If we give input 4, it will print 1.
Binary-4 == 00000000 00000100 ; Total number of bits = 1.
If we give input 3, it will print 2.
Binary-3 == 00000000 00000011 ; Total number of bits = 2.
If we give input 511, it will print 9.
Binary-511 == 00000001 11111111 ; Total number of bits = 9.
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