MCQ
The output from a $NAND$ gate having inputs $A$ and $B$ given below will be.


- ✓

- B

- C

- D








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$(I)$ An electron in $H _{2}$ molecule
$(II)$ A hydrogen atom in a $H _{2}$ molecule
$(III)$ A proton in the carbon nucleus
$(IV)$ $A H _{2}$ molecule within a nanotube