Digital Electronics - Logic Gates - Discussion

61. 

How many entries would a truth table for a four-input NAND gate have?

[A]. 2
[B]. 8
[C]. 16
[D]. 32

Answer: Option C

Explanation:

No answer description available for this question.

Deepika said: (Jan 29, 2012)  
For four input NAND gate, the possible combinations are from 0000 to 1111.

From 0 to 15. So, total entries are 16.

Sandeep V Halaki said: (Jan 3, 2014)  
0 0 0 1
1 0 0 1
1 0 1 1
1 1 1 0

TOTAL = 16 NOS.

Vaibhav said: (Jan 29, 2014)  
No of combinations = 2^4 = 16.

Surekha said: (Jan 3, 2017)  
Every 4 input gate has 16 entries.

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