Binary Subtraction Tutorial | 1's and 2's complement | Binary Subtraction Using C | SCALER

Before we start binary subtraction, we first need to understand what 1’s and 2’s complement is.

All information in the system memory is stored in binary, meaning all integers are stored in the memory in various combinations of 0’s and 1’s.

While it is pretty easy to store positive numbers, negative numbers is where it gets a little tricky. Storing negative numbers as 0’s and 1’s, and ensuring they aren’t taken as their positive counterparts, requires us to tweak the system that dictates how numbers are represented in binary.

1’s complement is a system where negative numbers are represented with the inverse of their binary representation of the corresponding positive numbers. It enables negative numbers to be denoted in binary form.

The following topics are covered in this video:

0:00 - Introduction
0:56 - What Is Binary Subtraction
1:42 - Taking 1’s & 2’s Complement
6:10 - Binary Subtraction
12:35 - Implementation

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