# The output of a NOR gate is HIGH if _____

The output of a NOR gate is HIGH if _____

### Right Answer is: All input are low

#### SOLUTION

NOR gate

The NOR gate has two or more input signals but only one output signal. All inputs must be low and get a high output. In other words, the NOR gate recognizes only the input words whose bits are all 0S.

NOR means NOT OR, i.e. the OR output is NOTed. So, a NOR gate is a combination of an OR gate and a NOT gate.
Fig shows the logical structure of the NOR gate which is an OR gate followed by a NOT gate. Therefore, the final output is NOT the OR of the inputs. A small invert bubble has been added to the OR symbol to form the NOR symbol.

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