Midfielder Cheick Tiote thundered home from distance in the 34th minute when the Magpies were a goal down but referee Mike Jones ruled out the effort because he felt Yoan Gouffran was standing in an offside position when interfering with the play.
But Pardew was left to work out why the match official had not allowed the wonderful goal which gave City goalkeeper Joe Hart absolutely no chance.
"For me, this is an entertainment business. The guy's hit a goal that Joe Hart is just not going to save. It goes through a number of bodies but his vision is not impaired," he told Sky Sports.
"I don't think he was clear in his answers about Joe Hart being impaired - I couldn't work that out.
"I don't understand it. Even if Man City's back four is on the edge of the box and we've got four offside, it's such a clean hit, it's going in the top corner.
"He's got that wrong and unfortunately that was a massive call. In these type of games they have got to go your way.
"It was probably easier for him to give the goal and I can't understand why he hasn't.
"We're crying out for entertainment, you hit a goal like that and the place is in uproar, and he's gone on a real tiny technicality, which I think is wrong."
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