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Questions - twos-complement

Why complement of 0 is -1?

I was learning about bitwise operators and I learnt that complement of 0 is 1 and 1 is 0. But when I tried using ~0 on IDLE, it printed -1 and when i typed ~1 it gave -2..
test-img

Satyam Shankar

python

binary

twos-complement

complement

ones-complement

Votes: 0

Answers: 1

Latest Answer

-1 is 0-1 => 00..00-00...01 = 1..11 So, as long as you consider some finite width (width is the size of integer or binary form you are using,4,8 ....),it is true that: 00..00 =~11..11 then, th...
test-img

Ixtiyor Majidov

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