Binary Subtraction Calculator
Calculate binary subtraction using both direct borrowing and two's complement methods
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Understanding Binary Subtraction
Direct Borrowing Method
- Basic Rules:
0 - 0 = 0
1 - 0 = 1
1 - 1 = 0
0 - 1 = 1 (with borrow)
- Borrowing:
When subtracting 1 from 0, borrow 1 from the next bit to the left
Two's Complement Method
- Steps:
1. Invert all bits of subtrahend
2. Add 1 to get two's complement
3. Add to minuend
4. Discard overflow bit
- Advantage:
Converts subtraction into addition operation