The output of a NAND gate is 0 

a) 
If both inputs are 0 
b) 
If one input is 0 and the other input is 1 
c) 
If both inputs are 1 
d) 
Either if both inputs are 1 or if one of the inputs is 1 and the other 0 
The output of a NAND gate is 0 

a) 
If both inputs are 0 
b) 
If one input is 0 and the other input is 1 
c) 
If both inputs are 1 
d) 
Either if both inputs are 1 or if one of the inputs is 1 and the other 0 
(c) If inputs are and then output for NAND gate is If 