What is the result of the binary subtraction 1100 - 1010 using 2's complement?
To find \(1100 - 1010\), add the 2's complement of 1010.
2's complement of 1010: invert to 0101, add 1 to get 0110.
\(1100 + 0110 = 1\,0010\). Drop the carry to get 0010.
Check: 12 − 10 = 2 = 0010.
Answer: (A) 0010
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