Explore topic-wise MCQs in Cognitive Radio.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Cognitive Radio knowledge and support exam preparation. Choose a topic below to get started.

1.

Which among the following is used for quality determination in evolutionary algorithm?

A. Subjective function
B. Fitness function
C. Loss function
D. Utility function
Answer» C. Loss function
2.

Case based reasoning is a cyclic process.

A. True
B. False
Answer» B. False
3.

What is the process of identifying a parameter value from a training set that could result in the minimisation of error called?

A. K-nearest neighbours algorithm
B. Leave one out cross validation algorithm
C. Bayesian algorithm
D. Markov theorem
Answer» C. Bayesian algorithm
4.

Which among the following is an algorithm useful for case based reasoning?

A. Viterbi algorithm
B. K- nearest neighbours algorithm
C. Forward algorithm
D. Backward algorithm
Answer» C. Forward algorithm
5.

Which among the following uses past solutions to solve current problems?

A. Artificial neural networks
B. Fuzzy logic
C. Knowledge based systems
D. Case based reasoning
Answer» E.
6.

What is the term used to refer to variables that take non-numerical as input?

A. String variables
B. Character variables
C. Linguistic variables
D. Morphological variables
Answer» D. Morphological variables
7.

Which among the following is the correct sequence of events that occur in application of fuzzy logic?

A. Fuzzify the input, execute the applicable rules, and de-fuzzify the output
B. Execute the applicable rules, fuzzify the input, and de-fuzzify the output
C. Fuzzify the input, de-fuzzify the output, and execute the applicable rules
D. Execute the applicable rules, fuzzify the input, and fuzzify the output
Answer» B. Execute the applicable rules, fuzzify the input, and de-fuzzify the output
8.

Which among the following is a false statement about Fuzzy logic?

A. Fuzzy logic may use imprecise information
B. Fuzzy logic uses only accurate information
C. Fuzzy logic may represent vague information
D. Fuzzy logic may use non-numerical information
Answer» C. Fuzzy logic may represent vague information
9.

Which among the following gives the definition of fuzzy logic?

A. Fuzzy logic follows Boolean logic where zero stands for true and one stands for false
B. Fuzzy logic follows Boolean logic where zero stands for false and one stands for true
C. Fuzzy logic allows the assignment of any real number from zero to one to variables
D. Fuzzy logic allows the assignment of any whole number from zero to one to variables
Answer» D. Fuzzy logic allows the assignment of any whole number from zero to one to variables