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How many NAND gates are used in an OR gate?
Options:
A .  Four
B .  Two
C .  Three
D .  Five
Answer: Option C
:
C
For this purpose we use three NAND gate in manner as shown. The first two NAND gates are operated as NOT gates and their outputs are fed to the third. The resulting circuit is OR gate.
How Many NAND Gates Are Used In An OR Gate?
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