Programming Methodology Using C, C++, Java & Other Languages – UGC NET Previous Years’ Questions.

NET-JUNE-2026

1.    Match the LIST-I with LIST-II

LIST-I		LIST-II
A.	long signed int	I.	%lf
B.	double	II.	%Lf
C.	long double	III.	%c
D.	unsigned character	IV.	%ld

Choose the correct answer from the options given below:

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

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

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

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

NET-JUNE-2026

2.    Which of the following is not a part of the general activation record of procedure ?

        1.    Local data

        2.    Global data

        3.    Access link

        4.    Temporaries

NET-JUNE-2026

3.    Which of the following are correct about constructors in C++ ?

        A.    They have the same name as the class.

        B.    They can return values.

        C.    They are called automatically when an object is created.

        D.    They can be overloaded.

        E.    They can be inherited.    

Choose the correct answer from the options given below:

        1.    A, B, C & D only

        2.    A, C & D only

        3.    B, C & D only

        4.    C, D & E only

NET-JUNE-2026

4.    Arrange the following data types in non-decreasing order according to the length of their representation in C++.

    A.    char

    B.    int

    C.    float

    D.    double     

Choose the correct answer from the options given below:

        1.    B, A, C, D

        2.    A, B, D, C

        3.    D, C, B, A

        4.    A, B, C, D

NET-JUNE-2026

5.    Which of the following would be the value of z for the C program code ?

        x = 16;

        

        y = 4; 

        z = x >> y;

        1.    5        2.    4

        3.    2        4.    1

NET-JUNE-2026

6.    Which of the following deals with the interaction between computers and humans using the natural languange.

    1.    PROLOG

    2.    ELIZA

    3.    NLP

    4.    LISP

NET-JUNE-2026

7.    What will be the output of the following program 

    #include<stdio.h>

    int main()

    {    int i;

        

            for (i=0; i++ < 10;)

                printf("%d", i++);

        return 0;

    }

    1.    0 1 2 3 4 5 6 7 8 9

    2.    1 2 3 4 5 6 7 8

    3.    1 3 5 7 9

    4.    2 4 6 8

NET-JUNE-2026

8.    Match the LIST-I with LIST-II

LIST-I		LIST-II
A.	Macros	I.	Converts high  level code to  object (Machine)  code
B.	Assembler	II.	Used for code  Expansion
C.	Loader	III.	Used to translate  assembly  language code to  object code
D.	Compiler	IV.	Used to allocate  memory and  relocate program  in memory

Choose the correct answer from the options given below:

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

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

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

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

NET-DEC-2025

9.    Which of the following statement is not true ?

    1.    A data member of a class can be declared as static and is normally used to maintain values common to the entire class.

    2.    A friend function can be invoked like a normal function without the help of any object.

    3.    The scope resolution operator (::) can be overloaded like normal operators.

    4.    Multiple inheritance may lead to duplication of inherited members from a "Grandparent" base class. This may be avoided by making the common base class  a virtual base class.

    

 

AI - Soft Computing, ML, DL - Previous Year's UGC-NET Questions

UGC-NET-JUNE-2026

1.    Let    R = {(1, 2), (3, 4), (2, 2)} and  S = {(4, 2), (2, 5), (3, 1), (1, 3)} be two relations. The composite relation  R o S  of  R  and  S  is : 

        1.    {(4, 2), (3, 2), (2, 5)}

        2.    {(1, 5), (3, 2), (2, 5)}

        3.    {(1, 3), (3, 1), (2, 5)}

        4.    {(2, 5), (3, 1), (2, 3), (3, 3)}

UGC-NET-JUNE-2024 (Cancel)

1.    For the fuzzy sets A = {(x₁, 0.3), (x₂, 0.7), (x₃, 0.4)} and B = {(x₁, 0.5), (x₂, 0.2), (x₃, 0.5)}, the A∩B would be :

        1.    {(x₁, 0.3), (x₂, 0.7), (x₃, 0.4)}

        2.    {(x₁, 0.5), (x₂, 0.2), (x₃, 0.5)}

        3.    {(x₁, 0.5), (x₂, 0.7), (x₃, 0.5)}

        4.    {(x₁, 0.3), (x₂, 0.2), (x₃, 0.4)}

UGC-NET-JUNE-2024 (Cancel)

2.    For the fuzzy sets A = {(x₁, 0.3), (x₂, 0.7), (x₃, 0.4)} and B = {(x₁, 0.5), (x₂, 0.2), (x₃, 0.5)}, the A∪B would be :

        1.    {(x₁, 0.3), (x₂, 0.7), (x₃, 0.4)}

        2.    {(x₁, 0.5), (x₂, 0.2), (x₃, 0.5)}

        3.    {(x₁, 0.5), (x₂, 0.7), (x₃, 0.5)}

        4.    {(x₁, 0.3), (x₂, 0.2), (x₃, 0.4)}

UGC-NET-JUNE-2024 (Cancel)

3.    For the fuzzy sets A = {(x₁, 0.3), (x₂, 0.7), (x₃, 0.4)}, the complement of A would be represented as:

        1.    {(x₁, 0.4), (x₂, 0.3), (x₃, 0.1)}

        2.    {(x₁, 0.3), (x₂, 0.7), (x₃, 0.4)}

        3.    {(x₁, 0.7), (x₂, 0.3), (x₃, 0.6)}

        4.    {(x₁, 0.21), (x₂, 0.28), (x₃, 0.12)}

UGC-NET-JUNE-2024 (Cancel)

4.    Arrange the following sets in increasing order, on the basis of their cardinality :

    A.    A₁  = {{1,2}, {3}}        

    

    B.    A₂ = {{1}, {2}, {3}, {4}} 

    C.    A₃ = {{1, 2, 3, 4, 5, 6}}        

    D.    A₄ = {{1, 2}, {2, 3, 4}, {5}}

    E.    A₅ = {{1}, {2}, {3}, {4}, {5}}

Choose the correct answer from the options given below:

        1.    A, B, D, E, C

        2.    A, B, E, D, C

        3.    A, C, D, B, E

        4.    C, A, D, B, E

UGC-NET-JUNE-2024 (Cancel)

5.    The Cardinality of a fuzzy set is :

        1.    0                 2.    finite        

        3.    infinite        4.    not known

UGC-NET-JUNE-2024 (Cancel)

6.    The parameter Actual count is used in Genetic Algorithm (GA) for :

        1.    Crossover        

        2.    Mutation        

        3.    Selecting population        

        4.    Encoding the Genetic Algorithm

UGC-NET-JUNE-2024 (Cancel)

7.   For the following Parents in figure (1) and (2) :

Parent1	10110	010
Parent2	10101	111

Figure (1)           ↗

                   Cross over points

                               ↘

Parent1	10110	111
Parent2	10101	010

figure (2)

Which is correct ?

1.    figure (2) is the two point crossover of figure (1)

2.    figure (2) is one point crossover of figure (1)

3.    figure (2) is N point crossover of figure (1)

4.    figure (2) is uniform crossover of figure (1)

UGC-NET-JUNE-2024 (Cancel)

8.  What is a perception in ANN ?

    1.    A double layer auto-associative neural network.

    2.    A neural network that contains feedback.

    3.    An auto-associative neural network.

    4.    A single layer feed-forward neural network with pre-processing

Digital Circuits and Design - Previous Years' NET Questions

NET-JUNE-2026

1.    Which of the following ICs has lowest power consumption ?

        1.    ECL

        2.    MOS

        3.    TTL

        4.    CMOS

NET-JUNE-2026

2.    Consider the following binary codes

        

C1	00000
C2	01011
C3	10101

    What is the maximum Hamming Distance value for all pairs of above mentioned codes. 

    1.    2                    2.    3

    3.    4                    4.    5

NET-JUNE-2026

3.    Simplify the following Boolean expression using 4-variables K-map.

F(A, B, C, D) = ∑ m(3, 6, 7, 11, 12, 13, 14, 15)

         1.    (AB)' + B'C + (CD)'   

        2.    A'B + CD' + AB'

        3.    AB + BC + CD

        4.    CD + AC' + BD      

NET-JUNE-2026

4.    The combination of selection lines for sending the input  I₁₄  to output in the following multiplexer is ?

            1.    001111

            2.    110000

            3.    111100

            4.    001110 

NET-JUNE-2026

5.    For sending input I₆  on the output line of a 8 x 1 multiplexer, 

Which of the following will represent the combination of selection lines ?

        1.    001

        2.    100

        3.    110

        4.    111

NET-DEC-2025

1.    Which of the following is the complement of the boolean function.

       A'B + CD' +A'B + CD'

        1.    A'B + CD'

        2.    (A' + B)(C + D')

        3.    (A + B')(C' + D)

        4.    AB' + CD'

NET-DEC-2025

2.    Match the LIST-I with LIST-II

LIST-I Boolean Algebra  Law		LIST-II Axioms
A.	Absorption  Law	I.	a+1 = 1
B.	Bounded Law	II.	a+0 = a
C.	Identity Law	III.	a*(b+c) = (a*b)+(a*c)
D.	Distributive  Law	IV.	a+(a*b) = a

Choose the correct answer from the options given below:

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

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

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

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

NET-DEC-2025

3.    Which of the following is the simplified form of the given function.

        f(A,B,C) = ∑m(0, 1, 3, 7)

        1.    A'B'C' + A'B'C + A'BC + ABC

        2.    A'B' + A'BC + ABC

        3.    A'B' + BC

        

        4.    A'B' + BC'

NET-DEC-2025

4.    Which of the following do not represent memory reference instruction.

        A.           

1

opcode

mode = 1, opcode = 010

        B.   

0

opcode

mode = 0, opcode = 111

        C.    

1

opcode

mode = 1, opcode = 111

        D.   

1

opcode

 mode = 1, opcode = 110

        E.    

1

opcode

mode = 1, opcode = 001

    Choose the correct answer from the options given below:

      1.    B & C only

        2.    B & D only

        3.    A & D only

        4.    A & E only

NET-DEC-2025

5.    Consider a pipeline unit for fixed-point multiplication of 8-bit integer. Arrange the following stages in a correct sequence.

Stage A: Consists of two CSAs and it merges four numbers from previous stage.

Stage B: is a CPA, which adds up the two numbers.    

Stage C: is made upto two level of four CSAs.

Stage D: Generates eight partial products.

Choose the correct answer from the options given below:

1.    C, A, B, D

2.    D, C, A, B

3.    B, D, C, A

4.    A, C, D, B

NET-DEC-2025

6.    The hamming distance between 10101 and 11110  is

        1.    2

        2.    3

        3.    4

        4.    5

NET-DEC-2025

7.    Which of the following are not data manipulation instructions ?

        A.    Call

        B.    Loud

        C.    And

        D.    Increment

    

        E.    Shift

Choose the correct answer from the options given below:

      1.    C & E only

        2.    A & B only

        3.    D & E only

        4.    A & C only

NET-DEC-2025

8.    Which of the following is the correct sequence with regards to service routine ?

    A.    Save contents of processor registers

    B.    Turn the interrupt facility on

    C.    Service the device whose flag is set

    D.    Check which flag is set

    E.    Restore contents of processor registers

Choose the correct answer from the options given below:

      1.    A, B, C, D, E

        

        2.    D, B, C, A, E

        3.    D, C, B, E, A

        4.    A, D, C, E, B

NET-JUNE-2024 (Cancel)

9.    Regarding the subroutines, see the following sequence of tasks to be performed:

    A.    Turn on the interrupt facility on. 

    B.    Service the device whose flag is set.

    C.    Save contents of processor registers. 

    D.    Check which flag is set.

    E.    Restore the contents of processor registers.

Choose the correct answer from the options given below:

        1.    A, D, C, B, E

        

        2.    D, A, B, C, E

        3.    C, D, B, E, A

        4.    B, D, A, C, E

NET-JUNE-2024 (Cancel)

10.    For making a memory of size 2048 x 8 bytes, by using the chips of size 128 x 4 bytes, the number of chips required is:

        1.    8        

        2.    16        

        3.    32        

        4.    64    

NET-JUNE-2024 (Cancel)

11.    Which of the followings are sequential circuits ?

    A.    Flip flop        

    B.    Multiplexer        

    

    C.    Counter        

    D.    Decoder        

    E.    Adder

Choose the correct answer from the options given below:

1.    B, D only

2.    A, C only

3.    C, E only

4.    D, A only

NET-JUNE-2024 (Cancel)

12.    The Boolean expression for the following would be:

        F(A, B, C) = ∑(0, 2, 6)

        d(A, B, C) = ∑(1, 3, 5)        

        1.    A'C' + BC'        

        2.    B + AC'        

        3.    A + BC'        

        4.    A' + BC'

NET-JUNE-2024 (Cancel)

13.    Match LIST-I with LIST-II

LIST-I Boolean Expression		LIST-II Dual of Boolean  Expression
A.	x.(y +0)	I.	(x' + 0).(y' . z)
B.	x'.1+(y'+z)	II.	x + y.1
C.	x'.(y' + 0)	III.	x' + y'.1
D.	x.1 + (y + z')	IV.	(x+0).(y . z' )

Choose the correct answer from the options given below:

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

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

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

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