Computer · Digital Electronics
How can an OR gate be implemented using only two-input NAND gates?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1By using four NAND gates: 2 as NOT gates and 2 for the final NAND operations.
- 2By using three NAND gates: 2 configured as NOT gates followed by 1 NAND gate.✓
- 3By using a single NAND gate with inverted output.
- 4By using two NAND gates: 1 as a NOT gate and 1 as a buffer.
Correct answer
By using three NAND gates: 2 configured as NOT gates followed by 1 NAND gate.
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