Question

Positive sign of weight indicates?

(a) excitatory input

(b) inhibitory input

(c) can be either excitatory or inhibitory as such

(d) none of the mentioned

I had been asked this question in a national level competition.

This intriguing question comes from Terminology topic in section Basics of Artificial Neural Networks of Neural Networks

Answer 1

Correct option is (a) excitatory input

To elaborate: Sign convention of neuron.