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Digital Electronics - Digital Arithmetic Operations and Circuits - Discussion

Discussion Forum : Digital Arithmetic Operations and Circuits - General Questions (Q.No. 23)
Digital Arithmetic Operations and Circuits
23.
When performing subtraction by addition in the 2's-complement system:
the minuend and the subtrahend are both changed to the 2's-complement.
the minuend is changed to 2's-complement and the subtrahend is left in its original form.
the minuend is left in its original form and the subtrahend is changed to its 2's-complement.
the minuend and subtrahend are both left in their original form.
Answer: Option
Explanation:
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