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.

Negative numbers are stored as 2's complement in memory, how does the CPU know if it's negative or positive?

-1 can be represented in 4 bit binary as (2's complement) 1111 15 is also represented as 1111. So, how does CPU differentiate between 15 …

binary cpu-architecture numeric sign twos-complement
two's complement of numbers in python

I am writing code that will have negative and positive numbers all 16 bits long with the MSB being the sign …

python twos-complement
How to make the 2-complement of a number without using adder

In two-complement to invert the sign of a number you usually just negate every bit and add 1. For example: 011 (3) 100 + 1 = 101 (-3) …

vhdl verilog fpga twos-complement
Converting from 8 bit to 16 bit

I was wondering how do you convert from an 8 bit 2's complement to a 16 bit 2's complement signed number? 1100 0110 is …

signed twos-complement
Why are signed and unsigned multiplication different instructions on x86(-64)?

I thought the whole point of 2's complement was that operations could be implemented the same way for signed and …

assembly x86 x86-64 twos-complement
How to print a signed integer as hexadecimal number in two's complement with python?

I have a negative integer (4 bytes) of which I would like to have the hexadecimal form of its two's complement …

python integer hex signed twos-complement
using 2's complement to perform binary division for signed number

first of all this is not a duplicate question of this one because it's already not answered this part. as …

binary division twos-complement digital-logic
Calculate two's complement checksum of hexadecimal string

I have a string "0AAE0000463130004144430000" and I need to calculate the two's complement checksum of the hex bytes that make …

c# twos-complement
Bitwise operations and shifts

Im having some trouble understanding how and why this code works the way it does. My partner in this assignment …

c bit-manipulation bitwise-operators twos-complement bit-shift
Why Two's Complement?

I'm writing a tutorial to teach kids (ages 9 to 13) about programming. I started with computers themselves, they don't have that …

computer-science twos-complement