UGC NET 2023 Paper 2 Computer Science Prev Year Paper (17-Jun-2023)

Question 1

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.Assertion A: Dendral is an expert systemReason R: The rationality of an agent is not related to its reaction to the environment.In the light of the above statements, choose the correct answer from the options given below.

Accepted Answer

A is true but R is false

Answer

Both A and R are true and R is the correct explanation of A

Answer

Both A and R are true but R is NOT the correct explanation of A

Answer

A is false but R is true

Question 2

Match List I with List IILIST ILIST IIA.A &Delta; BI.(A - B) &cup; (A - C)B.A - (B &cup; C)II.(A - B) &cap; (A - C)C.A - (B &cap; C)III.(A - B) &cup; (B - A)D.A &cap; (B - C)IV.(A &cap; B) - (A &cap; C) Choose the correct answer from the options given below:

Accepted Answer

A - III, B - II, C - I, D - IV

Answer

A - II, B - III, C - IV, D - I

Answer

A - IV, B - III, C - I, D - II

Answer

A - IV, B - I, C - III, D - II

Question 3

Which of the following is not a solution representation in a genetic algorithm?1. Binary valued2. Real valued3. Permutation4. Combinations

Accepted Answer

Combinations

Answer

Binary valued

Answer

Real valued

Answer

Permutation

Question 4

Match List I with List IILIST ILIST IIA.Parallel FFTI.&Theta; (n2)B.Iterative FFTII.&Theta; (n)C.Evaluation of polynomial at n points by Horner methodIII.&Theta; (lg n)D.Product of two polynomials that are represented in point value formIV.&Theta; (n lg n) Choose the correct answer from the options given below:

Accepted Answer

A - III, B - IV, C - I, D - II

Answer

A - III, B - I, C - II, D - III

Answer

A - II, B - I, C - III, D - IV

Answer

A - II, B - III, C - IV, D - I

Question 5

The following table shows the time between failures for a software:Error number12345time since last failure (Hours)64856 The reliability of the system for one hour operation assuming an exponential model is-

Accepted Answer

$e^{\frac{-5}{29}}$

Answer

$e^{\frac{-9}{29}}$

Answer

$e^{\frac{-7}{29}}$

Answer

$e^{\frac{-3}{29}}$

LIST I		LIST II
A.	A Δ B	I.	(A - B) ∪ (A - C)
B.	A - (B ∪ C)	II.	(A - B) ∩ (A - C)
C.	A - (B ∩ C)	III.	(A - B) ∪ (B - A)
D.	A ∩ (B - C)	IV.	(A ∩ B) - (A ∩ C)

UGC NET 2023 Paper 2 Computer Science Prev Year Paper (17-Jun-2023)

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LIST I		LIST II
A.	Parallel FFT	I.	Θ (n²)
B.	Iterative FFT	II.	Θ (n)
C.	Evaluation of polynomial at n points by Horner method	III.	Θ (lg n)
D.	Product of two polynomials that are represented in point value form	IV.	Θ (n lg n)