1hey w8 i am also getting confused .
wats the ans given
in the adjacent circuit ,A n B represent two inputs n C represents d output 
the circuit represents
A) nor gate
b)and gate
c0nand gate
d)or gate
i dunno how to see d inputs n outputs in logic gates so plz gimme a clear soln
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24 Answers
1today i read hcv n it was given in 411 page of d book that its or gate . i din understand fully . bt it appears d ans was rigt
1bt d ans provided is d .it s given in arihant cud d ans provided be wrong
1k i think this is solved. Is anyone having any confusion . My doubts and confusionbs are cleared and the ans i think is A. so Richa please check the answers once again
1yah actually in my explaination i hav concluded as NOR gate only.
Please see it. But initially i thought it is D.
62I dont know why that resistor is there..
To me it seems like
A'+B' = (A.B)' = nor..
62Links to similar posts
[url=http://targetiit.com/iit_jee_forum/posts/nor_3026.html]Logic Gates I[/url]
[url=http://targetiit.com/iit_jee_forum/posts/answer_before_evening_3022.html]Logic Gates II[/url]
read these..
1and to know the output of the voltage for each value of A and B u measure the voltage across the load resistance to get 0 or 1 as output
1hey see after passing from not not gate A becomes A°and B becomes B°
and when they join u get and gate and then u get
A° and B°==(A+B)°
Hence it is nor gate
note---- A° represents the inverse of A ie A bar
1it s aieee q i dont know resistors kyon diya par mujhe to nishant sir waala bhi samaj nahi aaya
11yeh resistors ka kya kaam ??????????
waise i totally agree with SIR JEE
1bhaiya d ans is d
i dunno a single thing about logic gates plzzzzzz help