triple 3 input positive NOR gate

[sanjay94]

what is triple 3 input positive NOR gate...iam using SN74LS27N IC ...plz describe briefly....ty

 

[erikl]

Triple means the package includes 3 of these NOR gates. Positive means the gates are responding to positive logic states (high (or "1") is active, low (or "0") is inactive). Valid for inputs and output.

 

[Tyme]

If you don't know what a triple NOR gate is, its a gate that ONLY outputs high if all the inputs are low. If any (or all) inputs are high then the output is low.
Datasheet with logic table + more