gs gs127 Feedback Neural Networks - Hopfield Model - Quiz No.1
gs gs127 SQLite Quiz
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Question 1: How can states of units be updated in hopfield model?
synchronously
asynchronously
synchronously and asynchronously
none of the mentioned
Question 2: What is synchronous update in hopfield model?
all units are updated simultaneously
a unit is selected at random and its new state is computed
a predefined unit is selected and its new state is computed
none of the mentioned
Question 3: What is asynchronous update in hopfield model?
all units are updated simultaneously
a unit is selected at random and its new state is computed
a predefined unit is selected and its new state is computed
none of the mentioned
Question 5: If pattern is to be stored, then what does stable state should have updated value of?
current sate
next state
both current and next state
none of the mentioned
Question 6: For symmetric weights there exist?
basins of attraction corresponding to energy minimum
false wells
fluctuations in energy landscape
none of he mentioned
Question 7: If connections are not symmetric then basins of attraction may correspond to?
oscillatory regions
stable regions
chaotic regions
oscillatory or chaotic regions
Question 8: For analysis of storage capacity what are the conditions imposed on hopfield model?
symmetry of weights
asynchronous update
symmetry of weights and asynchronous update
none of the mentioned
Question 9: What is gradient descent?
method to find the absolute minimum of a function
method to find the absolute maximum of a function
maximum or minimum, depends on the situation
none of the mentioned
