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Soft Computing FT3
Contributed by: V
  • 1. How are input layer units connected to second layer in competitive learning networks?
A) feedforward and feedback
B) feedforward manner
C) feedforward or feedback
D) feedback manner
  • 2. Which layer has feedback weights in competitive neural networks?
A) second layer
B) output layer
C) input layer
D) hidden layer
  • 3. What is an instar?
A) may receive or give input or output to others
B) receives inputs from all others
C) gives output to all others
  • 4. Which type of learning is involved in ART?
A) Supervised and Unsupervised
B) UnSupervised
C) Supervised
  • 5. What does ART stand for?
A) Automatic Resonance Theory
B) Artificial Resonance Theory
C) Adaptive Resonance Theory
  • 6. What type of inputs does ART – 1 receives?
A) Binary
B) Bipolar
C) Binary and Bipolar
  • 7. . A greater value of ‘p’ the vigilance parameter leads to?
A) Small cluster
B) Large Cluster
C) No change
  • 8. What consist of a basic counterpropagation network?
A) feed forward network only
B) two feedforward network with hidden layer
C) feedforwward network with hidden layer
  • 9. . How does the name counterpropagation signifies its architecture?
A) its ability to learn inverse mapping functions
B) its ability to learn forward and inverse mapping functions
C) its ability to learn forward mapping functions
  • 10. In self organizing network, how is layer connected to output layer?
A) each input unit is connected to each output unit
B) some are connected
C) all are one to one connected
  • 11. What kind of learning is involved in pattern clustering task?
A) UnSupervised
B) Supervised
C) Learning with critic
  • 12. Learning Vector Quantization is a competitive network which uses supervised learning.
A) TRUE
B) FALSE
  • 13. Negative sign of weight indicates?
A) excitatory input
B) inhibitory inpur
  • 14. In what ways can output be determined from activation value?
A) both deterministically & stochastically
B) stochastically
C) deterministically
  • 15. What does the activation value of winner unit is indicative of?
A) greater the degradation less is the activation value of other units
B) greater the degradation more is the activation value of winning units
C) greater the degradation less is the activation value of winning units
  • 16. In pattern clustering, does physical location of a unit relative to other unit has any significance?
A) depends on type of clustering
B) No
C) Yes
  • 17. What is competitive learning?
A) learning laws which modulate difference between actual output & desired output
B) learning laws which modulate difference between synaptic weight & output signal
C) learning laws which modulate difference between synaptic weight & activation value
  • 18. The number of units in hidden layers depends on?
A) the overall characteristics of the mapping problem
B) the number of inputs
C) the number of outputs
  • 19. What is capacity of a network?
A) the number of patterns that can be stored
B) the number of inputs it can take
C) the number of inputs it can deliver
  • 20. Learning is a?
A) can be slow or fast in general
B) Fast process
C) Slow process
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