Identify the correct truth table for the above circuit which contains NOR gates and also the relevant logic operation performed by this circuit ?

Input Output

A B Y

0 0 0

0 1 0

1 0 0

1 1 1

, AND gate
Input Output

A B Y

0 0 1

0 1 0

1 0 0

1 1 0

, NOR gate
Input Output

A B Y

0 0 1

0 1 1

1 0 1

1 1 0

, NAND gate
Input Output

A B Y

0 0 0

0 1 1

1 0 1

1 1 1

, OR gate

LohaHridoy

5 views

2025-01-04 04:42

1 Answers

AhmedNazir

Option 4 : Input Output A B Y 0 0 0 0 1 1 1 0 1 1 1 1 , OR gate

Given:

2-input two nor gates

Concept:

NOR gate is NOT equivalent to OR gate. For OR gate if any input is 1, the output is 1, and only if all inputs are 0 then only the output is 0. NOR gates just inverts this output.

The truth table for the 2-input NOR gate is shown below -

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Calculations:

• A = 0, B = 0 → Output of first NOR gate = 1

Input for second NOR gate = (1 , 1) ∴ output of second NOR gate = 0

• A = 0, B = 1 → Output of first NOR gate = 0

Input for second NOR gate = (0 , 0) ∴ output of second NOR gate = 1

• A = 1, B = 0 → Output of first NOR gate = 0

Input for second NOR gate = (0 , 0) ∴ output of second NOR gate = 1

• A = 1, B = 1 → Output of first NOR gate = 0

Input for second NOR gate = (0 , 0) ∴ output of second NOR gate = 1

5 views Answered 2022-09-04 04:29

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