Two's complement is a clever way of storing integers so that common math problems are very simple to implement. To understand, you have to think of the numbers in binary. It basically …

The only oddity with two's complement is that you get one more negative number in your range than you have positive numbers. But, then, other solutions give you strange things like +0 and …

Jul 14, 2009 · 246 I'm just curious if there's a reason why in order to represent -1 in binary, two's complement is used: flipping the bits and adding 1? -1 is represented by 11111111 (two's …

Jun 9, 2013 · The two's complement of the minimum number in the range will not have the desired effect of negating the number. For example, the two's complement of −128 in an 8-bit …

Mar 13, 2015 · Is there a built in function in python which will convert a binary string, for example '111111111111', to the two's complement integer -1?

Oct 7, 2010 · Using two's complement to represent negative values has the benefit that subtraction and addition are the same. In your case, you can think of 12 - 7 as 12 + (-7). …

Aug 24, 2012 · I'm trying to understand two's complement: Does two's complement mean that this number is invalid: 1000 Does two's complement disallow the use of the most significant bit for …

Jun 15, 2012 · 85 The primary advantage of two's complement over ones' complement is that two's complement only has one value for zero. Ones' complement has a "positive" zero and a …

Oct 18, 2012 · 17 To properly interpret a binary sequence as two's complement, there needs to a length associated with the sequence. When you are working low-level types that correspond …

Below a and b (hex), representing two's complement signed binary numbers. For example: a = 0x17c7cc6e b = 0xc158a854 Now I want to know the signed representation of a & b in …