Top "Twos-complement" questions

Two's complement is a mathematical operation on binary numbers, as well as a binary signed number representation based on this operation.

What is “2's Complement”?

I'm in a computer systems course and have been struggling, in part, with Two's Complement. I want to understand it …

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Two's Complement in Python

Is there a built in function in python which will convert a binary string, for example '111111111111', to the …

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Why prefer two's complement over sign-and-magnitude for signed numbers?

I'm just curious if there's a reason why in order to represent -1 in binary, two's complement is used: flipping …

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String.format() and hex numbers in Java

I'm trying to figure out why String.format() is behaving the way it does. Context: Systems programming class, writing an …

java string formatting hex twos-complement
Why is the range of signed byte is from -128 to 127 (2's complement) and not from -127 to 127?

I read Why is the range of bytes -128 to 127 in Java? it says 128 is 10000000. Inverted, it's 01111111, and adding one …

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How are integers internally represented at a bit level in Java?

I am trying to understand how Java stores integer internally. I know all java primitive integers are signed, (except short?). …

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bitwise not operator

Why bitwise operation (~0); prints -1 ? In binary , not 0 should be 1 . why ?

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Adding and subtracting two's complement

Using six-bit one's and two's complement representation I am trying to solve the following problem: 12 - 7 Now, i take 12 in …

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how to do two complement multiplication and division of integers?

I have read this post on binary multiplication using two complement. but it is not very clear to me. Even …

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represent negative number with 2' complement technique?

I am using 2' complement to represent a negative number in binary form Case 1:number -5 According to the 2' …

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