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# UGC NET COMPUTER SCIENCE SOLVED PAPERS 2014-16 - UGC NET Computer Science Paper 3 December 2015 Online Exam Quiz

Important questions about UGC NET COMPUTER SCIENCE SOLVED PAPERS 2014-16 - UGC NET Computer Science Paper 3 December 2015. UGC NET COMPUTER SCIENCE SOLVED PAPERS 2014-16 - UGC NET Computer Science Paper 3 December 2015 MCQ questions with answers. UGC NET COMPUTER SCIENCE SOLVED PAPERS 2014-16 - UGC NET Computer Science Paper 3 December 2015 exam questions and answers for students and interviews.

Options

A : BC

B : A4

C : BD

D : AC

Options

A : 37H

B : 82H

C : B9H

D : 00H

Options

A : RST 6.5

B : RST 7.5

C : TRAP

D : INTR

Options

A : 0.64

B : 0.96

C : 2.00

D : 0.32

Options

A : 0.6%

B : 0.12%

C : 1.2%

D : 2.5%

### 46. Language model used in LISP is __________.

Options

A : Functional programming

B : Logic programming

C : Object oriented programming

D : All of the above

### 47. In constraint satisfaction problem, constraints can be stated as __________.

Options

A : Arithmatic equations and inequalities that bind the values of variables

B : Arithmatic equations and inequalities that doesn’t bind any restriction over variables

C : Arithmatic equations that impose restrictions over variables

D : Arithmatic equations that discard constraints over the given variables

### 48. As compared to rental and leasing methods to acquire computer systems for a Management Information System (MIS), purchase method has following advantage:

Options

A : It has high level of flexibility

B : It doesn’t require cash up-front

C : It is a business investment

D : Little risk of obsolescence

### 49. Consider the conditional entropy and mutual information for the binary symmetric channel. The input source has alphabet X = {0, 1} and associated probabilities {1 / 2, 1 / 2}. The channel matrix is where p is the transition probability. Then the conditional entropy is given by:

Options

A : 1

B : - plog(p) - (1 - p)log(1 - p)

C : 1 + p log(p) + (1 - p)log(1 - p)

D : 0

### 50. Which of the following is not a lossy compression technique?

Options

A : JPEG

B : MPEG

C : FFT

D : Arithmetic coding

### 51. Blind image deconvolution is ____________.

Options

A : Combination of blur identification and image restoration

B : Combination of segmentation and classification

C : Combination of blur and non-blur image

D : None of the above

### 52. A basic feasible solution of a linear programming problem is said to be __________ if at least one of the basic variable is zero.

Options

A : degenerate

B : non-degenerate

C : infeasible

D : unbounded

### 53. Consider the following conditions: (a)The solution must be feasible, i.e. it must satisfy all the supply and demand constraints. (b)The number of positive allocations must be equal to m1n21, where m is the number of rows and n is the number of columns. (c)All the positive allocations must be in independent positions. The initial solution of a transportation problem is said to be a non-degenerate basic feasible solution if it satisfies: Codes:

Options

A : (a) and (b) only

B : (a) and (c) only

C : (b) and (c) only

D : (a), (b) and (c)

Options

A : 1450

B : 1465

C : 1480

D : 1520

### 55. The character set used in Windows 2000 operating system is __________

Options

A : 8 bit ASCII

B : Extended ASCII

C : 16 bit UNICODE

D : 12 bit UNICODE

### 56. In Unix, the command to enable execution permission for file “mylife” by all is ____________.

Options

A : Chmod ugo + X myfile

B : Chmod a + X myfile

C : Chmod + X myfile

D : All of the above

### 57. What will be the output of the following Unix command ? \$rm chap0[1 - 3]

Options

A : Remove file chap0[1 - 3]

B : Remove file chap01, chap02, chap03

C : Remove file chap\[1 - 3\]

D : None of the above

### 58. Which of the following statements regarding the features of the object-oriented approach to databases are true? (a)The ability to develop more realistic models of the real world. (b)The ability to represent the world in a non-geometric way. (c)The ability to develop databases using natural language approaches. (d)The need to split objects into their component parts. (e)The ability to develop database models based on location rather than state and behavior. Codes:

Options

A : (a), (b) and (c)

B : (b), (c) and (d)

C : (a), (d) and (e)

D : (c), (d) and (e)

Options

A : 5

B : 10

C : 15

D : 50

### 60. Suppose ORACLE relation R(A, B) currently has tuples {(1, 2), (1, 3), (3, 4)} and relation S(B, C) currently has {(2, 5), (4, 6), (7, 8)}. Consider the following two SQL queries SQ 1 and SQ 2 : SQ 1 : Select * From R Full Join S On R.B = S.B; SQ 2 : Select * From R Inner Join S On R.B = S.B; The numbers of tuples in the result of the SQL query SQ 1 and the SQL query SQ 2 are given by:

Options

A : 2 and 6 respectively

B : 6 and 2 respectively

C : 2 and 4 respectively

D : 4 and 2 respectively