The correct Boolean operation represented by the circuit diagram drawn is

Options

A. NOR
B. AND
C. OR
D. NAND

Answer

D

Explanation

When swithch `Ararr` on LED light up
so`{:(A),(1):}|{:(B),(0):}|{:("output"),(1):}`
when swithch B is switch on a is off
then Led light up `{:(A),(0):}|{:(B),(1):}|{:("output"),(0):}`
when switch of A and B both on short circuit full current flous through switch led `rarr` switch off
`{:(A),(1):}|{:(B),(1):}|{:("output"),(0):}`