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Computer Science 2013 December UGC Net Paper III

COMPUTER SCIENCE & APPLICATIONS
Paper – III

1. If the primal Linear Programming
problem has unbounded solution,
then it’s dual problem will have
 (A) feasible solution
 (B) alternative solution
 (C) no feasible solution at all
 (D) no bounded solution at all
Answer:(C)







Answer:(D)










(A) Feasible solution
(B) No feasible solution
 (C) Unbounded solution
 (D) Single point as solution

Answer:(B)

4. Given a flow graph with 10 nodes,
13 edges and one connected
components, the number of regions
and the number of predicate (decision)
nodes in the flow graph will be
 (A) 4, 5 (B) 5, 4
 (C) 3, 1 (D) 13, 8
Answer:(B)

5. Function points can be calculated by
 (A) UFP ∗ CAF
 (B) UFP ∗ FAC
 (C) UFP ∗ Cost
 (D) UFP ∗ Productivity

Answer:(A)


6. Match the following :
List – I List – II
a. Data i. Module A and
coupling Module B have
shared data

b. Stamp ii. Dependency between
coupling modules is based on
the fact they
communicate by
only passing of data


c. Common iii. When complete data
coupling structure is passed
from one module to
another


d. Content iv. When the control is
coupling passed from one
module to the middle
of another
Codes :
 a b c d
 (A) iii ii i iv
 (B) ii iii i iv
 (C) ii iii iv i
 (D) iii ii iv i
Answer:(B)


7. A process which defines a series of
tasks that have the following four
primary objectives is known as
 1. to identify all items that collectively
define the software configuration.
 2. to manage changes to one or more
of these items.
 3. to facilitate the construction of
different versions of an application.
 4. to ensure that software quality is
maintained as the configuration
evolves over time.
 (A) Software Quality Management
Process
 (B) Software Configuration
Management Process
 (C) Software Version Management
Process
 (D) Software Change Management
Process
Answer:(B)

8. One weakness of boundary value
analysis and equivalence partitioning is
 (A) they are not effective.
 (B) they do not explore
combinations of input
circumstances.
 (C) they explore combinations of
input circumstances.
 (D) none of the above.
Answer:(B)

9. Which once of the following is not a
software myth ?
 (A) Once we write the program and
get it to work, our job is done.
 (B) Project requirements continually
change, but change can be
easily accommodated because
software is flexible.
 (C) If we get behind schedule, we
can add more programmers and
catch up.
 (D) If an organization does not
understand how to control
software projects internally, it
will invariably struggle when it
outsources software projects.
Answer:(D)

10. Match the following with respect to
relationship between objects and classes :
List – I List – II
a. State b. Object
diagram diagram
i. Useful for both
abstract modelling
and for designing
actual program


ii. Describes object iii. Useful for
classes documenting test
c. Class cases
diagram


d. Instance iv. Describing the
diagram behaviour of a single
class of objects.
Codes :
 a b c d
 (A) iv i ii iii
 (B) ii iii iv i
 (C) iii iv ii i
 (D) ii iv i iii
Answer:(A)

11. Match the following style rules for
reusability :
List – I List – II
a. Keep i. Write a method to
methods get the last element
coherent of a list

b. Keep   ii. Maintain parallel
methods structure when
small possible


c. Keep iii. Breaking a method
methods into smaller parts
consistent

d. Provide iv. Performs a single
uniform function or a group
coverage of closely related
functions.
Codes :
 a b c d
 (A) iv iii ii i
 (B) ii i iv iii
 (C) iii iv ii i
 (D) ii iii iv i
Answer:(A)

12. Which is the protocol for performing
RPCs between applications in a
language and system independent
way ?
 (A) Hyper Text Transmission
Protocol (HTTP)
 (B) Simple Network Management
Protocol (SNMP)
 (C) Simple Object Access Protocol
(SOAP)
 (D) Simple Mail Transfer Protocol
(SMTP)
Answer:(C)

13. The document that is used by XSLT
to indicate, how to transform the
elements of the XML document to
another format is
 (A) HTML page
 (B) DOC type procedure
 (C) Style sheet
 (D) Stored procedure
Answer:(C)

14. Which of the following concepts
means adding new concepts to a
program as it runs ?
 (A) Data hiding
 (B) Dynamic loading
 (C) Dynamic typing
 (D) Dynamic binding
Answer:(B)

15. Which of the following correctly
describes overloading of functions ?
 (A) Virtual polymorphism
 (B) Transient polymorphism
 (C) Ad-hoc polymorphism
 (D) Pseudo polymorphism
Answer:(C)

16. Match the following with respect to
programming languages :
List – I List – II
a. Structured i. JAVA
Language


b. Non-structured ii. BASIC
Language

c. Object Oriented iii. PASCAL
Programming
Language

d. Interpreted iv. FORTRAN
Programming
Language

 Codes :
 a b c d
 (A) iii iv i ii
 (B) iv iii ii i
 (C) ii iv i iii
 (D) ii iii iv i
Answer:(A)

17. The compiler converts all operands upto
the type of the largest operand is called
 (A) Type Promotion
 (B) Type Evaluation
 (C) Type Conversion
 (D) Type Declaration
Answer:(A)

18. C++ actually supports the following
two complete dynamic systems :
 (A) One defined by C++ and the
other not defined by C.
 (B) One defined by C and one
specific to C++
 (C) Both are specific to C++
 (D) Both of them are improvements
of C
Answer:(B)

19. Important advantage of using new
and delete operators in C++ is
 (A) Allocation of memory
 (B) Frees the memory previously
allocated
 (C) Initialization of memory easily
 (D) Allocation of memory and
frees the memory previously
allocated.

Answer:(D)

20. Match the following control
strategies of prolog :
List – I List – II
a. Forward i. Variable can be
movement done with a
  constant, another
variable or a function.

b. Unifica- ii. The entire
tion conjunctive goal is executed.


c. Deep back- iii. Previous sub goal
tracking to find alternative
solutions.

d. Shallow iv. Chooses sub goal
back-tracking with possible
unifier.

Codes :
 a b c d
 (A) iv i ii iii
 (B) ii iv i iii
 (C) iii i iv ii
 (D) ii iii iv i
Answer:(A)





















Answer:(A)


















Answer:(D)


23. High level knowledge which relates
to the use of sentences in
different contexts and how the
context affect the meaning of the
sentences ?
 (A) Morphological
 (B) Syntactic
 (C) Semantic
 (D) Pragmatic

Answer:(D)


24. The objective of ________
procedure is to discover at least one
________ that causes two literals to
match.
 (A) unification, validation
 (B) unification, substitution
 (C) substitution, unification
 (D) minimax, maximum

Answer:(B)


25. If h* represents an estimate of
the cost of getting from the current
node N to the goal node and h
represents actual cost of getting from
the current node to the goal node,
then A* algorithm gives an optimal
solution if
 (A) h* is equal to h
 (B) h* overestimates h
 (C) h* underestimates h
 (D) none of these

Answer:(C)

26. The mean-end analysis process
centers around the detection of
differences between the current state
and goal state. Once such a
difference is isolated, an operator that
can reduce the difference must be
found. But perhaps that operator can
not be applied to the current state. So
a sub-problem of getting to a state in
which it can be applied is set up. The
kind of backward chaining in which
operators are selected and then sub
goals are set up to establish the
precondition of operators is called
 (A) backward planning
 (B) goal stack planning
 (C) operator subgoaling
 (D) operator overloading

Answer:(C)

27. In alpha-beta pruning, _________ is
used to cut off the search at
maximizing level only and
_________ is used to cut off the
search at minimizing level only.
 (A) alpha, beta
 (B) beta, alpha
 (C) alpha, alpha
 (D) beta, beta


Answer:(B)


















Answer:(D)














Answer:(C)















Answer:(D)





















Answer:(B)

32. Find the false statement :
 (A) In Modern Cryptography,
symmetric key algorithms use
same key both for Encryption
and Decryption.
 (B) The symmetric cipher DES
(Data Encryption Standard)
was widely used in the industry
for security product.
 (C) The AES (Advanced
Encryption Standard)
cryptosystem allows variable
key lengths of size 56 bits and
124 bits.
 (D) Public key algorithms use two
different keys for Encryption
and Decryption.


Answer:(C)















Answer:(D)















Answer:(C)














Answer:(B)












Answer:(X)

37. The longest common subsequence of
the sequences X = <A, B, C, B, D, A,
B> and Y = <B, D, C, A, B, A> has
length
 (A) 2 (B) 3
 (C) 4 (D) 5

Answer:(C)

38. Assuming there are n keys and
each key is in the range [0, m – 1].
The run time of bucket sort is
 (A) O(n) (B) O(n lgn)
 (C) O(n lgm) (D) O(n + m)

Answer:(D)

39. A _________ complete subgraph and
a _________ subset of vertices of a
graph G = (V, E) are a clique and a
vertex cover respectively.
 (A) minimal, maximal
 (B) minimal, minimal
 (C) maximal, maximal
 (D) maximal, minimal


Answer:(D)


















Answer:(B)















Answer:(C)




















Answer:(D)

43. What is the bit rate for transmitting
uncompressed 800 × 600 pixel colour
frames with 8 bits/pixel at 40
frames/second ?
 (A) 2.4 Mbps
 (B) 15.36 Mbps
 (C) 153.6 Mbps
 (D) 1536 Mbps

Answer:(C)


44. In IPV 4, the IP address
200.200.200.200 belongs to
 (A) Class A (B) Class B
 (C) Class C (D) Class D

Answer:(C)


45. Which layer of OSI reference model
is responsible for decomposition
of messages and generation of
sequence numbers to ensure correct
re-composition from end to end of
the network ?
 (A) Physical (B) Data-link
 (C) Transport (D) Application

Answer:(C)


46. A client-server system uses a satellite
network, with the satellite at a height
of 40,000 kms. What is the best-case
delay in response to a request ? (Note
that the speed of light in air is
3,00,000 km/second).
 (A) 133.33 m sec
 (B) 266.67 m sec
 (C) 400.00 m sec
 (D) 533.33 m sec

Answer:(D)

47. The start and stop bits are used in
serial communication for
 (A) error detection
 (B) error correction
 (C) synchronization
 (D) slowing down the
communication

Answer:(C)


48. _________ is a type of transmission
impairment in which the signal
looses strength due to the resistance
of the transmission medium.
 (A) Attenuation (B) Distortion
 (C) Noise

Answer:(A)

49. Match the following :
List – I List – II
a. Indexed i. is not used when an
Addressing operand is moved
from memory into a
register or from a
register to memory.


b. Direct ii. Memory address is
Addressing computed by adding up two
registers plus an (optional) offset.

c. Register iii. Addressing
Addressing memory by giving
a register plus a
content offset


d. Base-                             iv. can only be used to
Indexed access global
Addressing variables whose
address is known
at compile time.

Codes :
 a b c d
 (A) ii i iv iii
 (B) ii iv i iii
 (C) iii iv i ii
 (D) iii i iv ii

Answer:(C)

50. Which of the following is a design
criteria for instruction formats ?
 (A) The size of instructions
 (B) The number of bits in the
address fields
 (C) The sufficient space in the
instruction format to express all
the operations desired.
 (D) All of these
Answer:(D)

51. Synchronization is achieved by a
timing device called a ________
which generates a periodic train of
________.
 (A) clock generator, clock pulse
 (B) master generator, clock pulse
 (C) generator, clock
 (D) master clock generator, clock
pulse

Answer:(A,D)

52. Serial access memories are useful in
applications where
 (A) Data consists of numbers
 (B) Short access time is required
 (C) Each stored word is processed
differently.
 (D) None of these


Answer:(D)

















Answer:(C)

54. The essential difference between
traps and interrupts is
 (A) traps are asynchronous and
interrupts are synchronous with
the program.
 (B) traps are synchronous and
interrupts are asynchronous
with the program.
 (C) traps are synchronous and
interrupts are asynchronous
with the I/O devices.
 (D) None of these.

Answer:(B)


















Answer:(A)






























Answer:(A)

57. Find the false statement :
 (A) The relationship construct
known as the weak relationship
type was defined by Dey,
Storey & Barron (1999)
 (B) A weak relationship occurs
when two relationship types are
linked by either Event-
Precedent sequence or
Condition-Precedent sequence.
 (C) Conceptual model is not
accurate representation of
“Universe of interest”.
 (D) Ternary, Quaternary and
Quintary relationships are
shown through a series of
application scenario’s and
vignette’s.

Answer:(C)

58. Consider the table
 Student (stuid, name, course, marks).
Which one of the following two
queries is correct to find the highest
marks student in course 5 ?
 Q.1. Select S.stuid
 From student S
 Where not exists
 (select ∗ from student e where
e course = ‘5’ and e marks ≥ s
marks)
 Q.2. Select s.stu.id
 From student S
 Where s ⋅ marks > any
 (select distinct marks from
student S where s ⋅ course = 5)
 (A) Q. 1
 (B) Q. 2
 (C) Both Q. 1 and Q. 2
 (D) Neither Q. 1 nor Q. 2

Answer:(B)

59. Armstrong (1974) proposed
systematic approach to derive
functional dependencies. Match the
following w.r.t. functional
dependencies :
List – I List – II

a. Decom i. If X → Y and
position Rule Z → W then
{X, Z} → {Y, W}


b. Union rule ii. If X → Y and
{Y, W}→Z then
{X, W} → Z

c. Com-Position iii. If X → Y and X→ Z
Rule then X → {Y, Z}

d. Pseudo iv. If X → {Y, Z}
transitivity then X → Y and
rule X → Z
Codes :
 a b c d
 (A) iii ii iv i
 (B) i iii iv ii
 (C) ii i iii iv
 (D) iv iii i ii

Answer:(D)


60. Match the following :
List – I  List – II
a. Secondary i. Functional
Index Dependency

b.non procedural ii.B-Tree
query language

c. Closure of iii. Relational Algebraic
set of Operation
Attributes


d. Natural iv. Domain Calculus
JOIN

 Codes :
 a b c d
 (A) i ii iv iii
 (B) ii i iv iii
 (C) i iii iv ii
 (D) ii iv i iii

Answer:(D)

61. Which of the following is not true
with respect to a trackball and/or
spaceball ?
 I. A trackball is a two
dimensional positioning device
while as a spaceball provides
six degrees of freedom.
 II. Unlike the trackball a spaceball
does not actually move.
 III. A trackball is a three
dimensional positioning device
while as a spaceball provides
six degrees of freedom.
 (A) I & II (B) II & III
 (C) II only (D) III only

Answer:(D)

62. Which of the following statement(s)
is (are) true ?
 I. Two successive translations are
additive.
 II. Two successive rotations are
additive.
 III. Two successive scaling
operations are multiplicative.
 (A) I and II
 (B) I and III
 (C) II and III
 (D) All the above
Answer:(D)

63. Given below are three basic rules :
  I. Squash and Stretch
 II. Slow-in and Slow-out
 III. To stage the action properly
 These rules are applied in case of
 (A) Rendering
 (B) Morphing
 (C) Animation
 (D) All the above
Answer:(C)


64. Which of the following points lies on
the same side as the origin, with
reference to the line 3x + 7y = 2 ?
 (A) (3, 0) (B) (1, 0)
 (C) (0.5, 0.5) (D) (0.5, 0)

Answer:(D)


65. The transformation matrix required
for conversion of CMY colour model
to RGB colour model is given as :
















Answer:(C)
















I. Translate P1 to origin
 II. Scale as required
 III. Rotate
 IV. Translate to the final position P2.
 (A) I, II and III
 (B) II, III and IV
 (C) I, III & IV
 (D) All of the above

Answer:(X)

67. In Unix, how do you check that
two given strings a and b are
equal ?
 (A) test $a –eq $b
 (B) test $a –equal $b
 (C) test $a = $b
 (D) Sh –C test $a = = $b

Answer:(C)


68. In windows 2000 operating system
all the processor-dependent code is
isolated in a dynamic link library
called
 (A) NTFS file system
 (B) Hardware abstraction layer
 (C) Microkernel
 (D) Process Manager

Answer:(B)


69. To place a sound into a word
document, following feature of
windows is used :
 (A) Clip board
 (B) Task switching
 (C) C Win App
 (D) OLE

Answer:(D)

70. Translation Look-aside Buffer (TLB) is
 (A) a cache-memory in which
item to be searched is
compared one-by-one with the
keys.
 (B) a cache-memory in which item
to be searched is compared
with all the keys
simultaneously.
 (C) an associative memory in
which item to be searched is
compared one-by-one with the
keys.
 (D) an associative memory in
which item to be searched is
compared with all the keys
simultaneously.

Answer:(D)

71. Simplest way of deadlock recovery is
 (A) Roll back
 (B) Preempt resource
 (C) Lock one of the processes
 (D) Kill one of the processes

Answer:(D)


72. The directory structure used in Unix
file system is called
 (A) Hierarchical directory
 (B) Tree structured directory
 (C) Directed acyclic graph
 (D) Graph structured directory

Answer:(C)

73. Which statement is not true about
process O in the Unix operating
system ?
 (A) Process O is called init process.
 (B) Process O is not created by
fork system call.
 (C) After forking process 1,
process O becomes swapper
process.
 (D) Process O is a special
process created when system
boots.

Answer:(A)

74. Which of the following commands
would return process_id of sleep
command ?
 (A) Sleep 1 and echo $?
 (B) Sleep 1 and echo $#
 (C) Sleep 1 and echo $×
 (D) Sleep 1 and echo $!

Answer:(D)


75. Possible thread states in
Windows 2000 operating system
include :
 (A) Ready, running and waiting
 (B) Ready, standby, running,
waiting, transition and
terminated
 (C) Ready, running, waiting,
transition and terminated
 (D) Standby, running, transition
and terminated
Answer:(B)
Computer Science 2013 December UGC Net Paper III Computer Science 2013 December UGC Net Paper III Reviewed by Australian Stock Exchange Inc on 04:57:00 Rating: 5

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Prashant Davanageri UGC NET Karnataka
Rajput Gali Betgeri-582102, Karnataka India.
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