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Important questions about UGC NET COMPUTER SCIENCE SOLVED PAPERS 2017-19 - UGC NET Computer Science November 2017 Paper 2. UGC NET COMPUTER SCIENCE SOLVED PAPERS 2017-19 - UGC NET Computer Science November 2017 Paper 2 MCQ questions with answers. UGC NET COMPUTER SCIENCE SOLVED PAPERS 2017-19 - UGC NET Computer Science November 2017 Paper 2 exam questions and answers for students and interviews.

1. If the time is now 4 O’clock, what will be the time after 101 hours from now?

Options

A : 9 O’clock

B : 8 O’clock

C : 5 O’clock

D : 4 O’clock

2. Let m=(313) 4 and n=(322) 4 . Find the base 4 expansion of m+n.

Options

A : (635) 4

B : (32312) 4

C : (21323) 4

D : (1301) 4

4. How many distinguishable permutations of the letters in the word BANANA are there?

Options

A : 720

B : 120

C : 60

D : 360

5. Consider the graph given below :

Options

A : (1)

B : (1),(2)

C : (1), (2), (3)

D : (1), (2), (3), (4)

46. Which of the following is not a Clustering method?

Options

A : K - Mean method

B : Self Organizing feature map method

C : K - nearest neighbor method

D : Agglomerative method

47. Which of the given wireless technologies used in IoT, consumes the least amount of power?

Options

A : Zigbee

B : Bluetooth

C : Wi-Fi

D : GSM/CDMA

48. Which speed up could be achieved according to Amdahl’s Law for infinite number of processes if 5% of a program is sequential and the remaining part is ideally parallel?

Options

A : Infinite

B : 5

C : 20

D : 50

49. Negation of the proposition ∃ x H(x) is: (1) ∃x ¬ H(x) (2) ∀x ¬ H(x) (3) ∀x H(x) (4) ¬ x H(x)

Options

A : (1)

B : (2)

C : (3)

D : (4)

50. The output of the following combinational circuit is F.

Options

A : P 1 +P ' 2 P 3

B : P 1 +P ' 2 P ' 3

C : P 1 +P 2 P ' 3

D : P ' 1 +P 2 P 3

6. The Boolean function with the Karnaugh map

Options

A : (A+C).D+B

B : (A+B).C+D

C : (A+D).C+B

D : (A+C).B+D

7. The Octal equivalent of the binary number 1011101011 is :

Options

A : 7353

B : 1353

C : 5651

D : 5657

8. Let P and Q be two propositions, ¬ (P ↔ Q) is equivalent to: (I) P ↔ ¬ Q (II) ¬ P ↔ Q (III) ¬ P ↔ ¬ Q (IV) Q → P

Options

A : Only (I) and (II)

B : Only (II) and (III)

C : Only (III) and (IV)

D : None of the above

9. ‘ptrdata’ is a pointer to a data type. The expression *ptrdata++ is evaluated as (in C++) :

Options

A : *(ptrdata++)

B : (*ptrdata)++

C : *(ptrdata)++

D : Depends on compiler

10. The associativity of which of the following operators is Left to Right, in C++ ?

Options

A : Unary Operator

B : Logical not

C : Array element access

D : addressof

11. A member function can always access the data in __________ , (in C++).

Options

A : the class of which it is member

B : the object of which it is a member

C : the public part of its class

D : the private part of its class

12. Which of the following is not correct for virtual function in C++ ?

Options

A : Must be declared in public section of class.

B : Virtual function can be static.

C : Virtual function should be accessed using pointers.

D : Virtual function is defined in base class.

13. Which of the following is not correct (in C++)? 1. Class templates and function templates are instantiated in the same way 2. Class templates differ from function templates in the way they are initiated 3. Class template is initiated by defining an object using the template argument 4. Class templates are generally used for storage classes

Options

A : (1)

B : (2), (4)

C : (2), (3), (4)

D : (4)

14. Which of the following is/are true with reference to ‘view’ in DBMS? (a) A ‘view’ is a special stored procedure executed when certain event occurs. (b) A ‘view’ is a virtual table, which occurs after executing a pre-compiled query. code:

Options

A : Only (a) is true

B : Only (b) is true

C : Both (a) and (b) are true

D : Neither (a) nor (b) are true

15. In SQL, __________ is an Aggregate function.

Options

A : SELECT

B : CREATE

C : AVG

D : MODIFY

17. In RDBMS, different classes of relations are created using __________ technique to prevent modification anomalies.

Options

A : Functional Dependencies

B : Data integrity

C : Referential integrity

D : Normal Forms

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