A) $ X=\overline{\overline{A}}\cdot \overline{\overline{B}} $
B) $ X=\overline{A\cdot B} $
C) $ X=A\cdot B $
D) $ X=\overline{A+B} $
صحیح جواب: C
$ X=\overline{\overline{AB}}=A\cdot B $ (یعنی، AND گیٹ)
اگر دیے گئے خاکے سے NAND گیٹ کا آؤٹ پٹ X، NOT گیٹ (جو دو ان پٹس کو ملا کر NAND گیٹ سے بنایا گیا ہے) کے ان پٹ سے منسلک کیا جائے تو ہمیں ایک AND گیٹ واپس مل جاتا ہے۔
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