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Old June 2nd, 2014, 11:43 AM
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Default UGC NET CSIR Computer Science previous year question papers

Can you please give me the UGC National Eligibility test of CSIR Computer Science previous year question papers as it is very urgent for me?
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Old June 2nd, 2014, 05:26 PM
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Default Re: UGC NET CSIR Computer Science previous year question papers

As you want to get the UGC National Eligibility test of CSIR Computer Science previous year question papers so here is the information of the same for you:

Some content of the file has been given here:

1. When data and acknowledgement are
sent in the same frame, this is called
as
(A) Piggy packing
(B) Piggy backing
(C) Back packing
(D) Good packing
2. Encryption and Decryption is the
responsibility of Layer.
(A) Physical
(B) Network
(C) Application
(D) Datalink
3. An analog signal carries 4 bits in
each signal unit. If 1000 signal units
are sent per second, then baud rate
and bit rate of the signal are
and _______.
(A) 4000 bauds \ sec & 1000 bps
(B) 2000 bauds \ sec & 1000 bps
(C) 1000 bauds \ sec & 500 bps
(D) 1000 bauds \ sec & 4000 bps
4. The VLF and LF bauds use _______
propagation for communication.
(A) Ground (B) Sky
(C) Line of sight (D) Space
5. Using the RSA public key crypto
system, if p = 13, q = 31 and d = 7,
then the value of e is
(A) 101 (B) 103
(C) 105 (D) 107
6. FAN IN of a component A is defined
as
(A) Number of components that
can call or pass control to
component A.
(B) Number of components that are
called by component A.
(C) Number of components related
to component A.
(D) Number of components
dependent on component A.
7. The relationship of data elements in a
module is called
(A) Coupling
(B) Modularity
(C) Cohesion
(D) Granularity
8. Software Configuration Management
is the discipline for systematically
controlling
(A) the changes due to the
evolution of work products as
the project proceeds.
(B) the changes due to defects
(bugs) being found and then
fixed.
(C) the changes due to requirement
changes
(D) all of the above
9. Which one of the following is not a
step of requirement engineering ?
(A) Requirement elicitation
(B) Requirement analysis
(C) Requirement design
(D) Requirement documentation
COMPUTER SCIENCE AND APPLICATIONS
Paper – II

10. Testing of software with actual data
and in actual environment is called
(A) Alpha testing
(B) Beta testing
(C) Regression testing
(D) None of the above
11. The student marks should not be
greater than 100. This is
(A) Integrity constraint
(B) Referential constraint
(C) Over-defined constraint
(D) Feasible constraint
12. GO BOTTOM and SKIP-3
commands are given one after
another in a database file of 30
records. It shifts the control to
(A) 28th record (B) 27th record
(C) 3rd record (D) 4th record
13. An ER Model includes
I. An ER diagram portraying
entity types.
II. Attributes for each entity type
III. Relationships among entity
types.
IV. Semantic integrity constraints
that reflects the business rules
about data not captured in the
ER diagram.
(A) I, II, III & IV (B) I & IV
(C) I, II & IV (D) I & III
14. Based on the cardinality ratio and
participation associated
with a relationship type, choose
either the Foreign Key Design, the
Cross Referencing Design or Mutual
Referencing Design.
(A) Entity (B) Constraints
(C) Rules (D) Keys
15. Data Integrity control uses
(A) Upper and lower limits on
numeric data.
(B) Passwords to prohibit
unauthorised access to files.
(C) Data dictionary to keep the data
(D) Data dictionary to find last
access of data
16. What does the following declaration
mean ?
int (*ptr) [10];
(A) ptr is an array of pointers of 10
integers.
(B) ptr is a pointer to an array of 10
integers.
(C) ptr is an array of 10 integers.
(D) none of the above.
17. Which of the following has
compilation error in C ?
(A) int n = 32 ;
(B) char ch = 65 ;
(C) float f = (float) 3.2 ;
(D) none of the above
18. Which of the following operators can
not be overloaded in C+ + ?
(A) ∗ (B) + =
(C) = = (D) : :
19. _________ allows to create classes
which are derived from other classes,
so that they automatically include
some of its “parent’s” members, plus
its own members.
(A) Overloading
(B) Inheritance
(C) Polymorphism
(D) Encapsulation
20. The correct way to round off a floating
number x to an integer value is
(A) y = (int) (x + 0.5)
(B) y = int (x + 0.5)
(C) y = (int) x + 0.5
(D) y = (int) ((int)x + 0.5)

21. What is the value of the postfix
expression ?
a b c d + – ∗ (where a = 8, b = 4,
c = 2 and d = 5)
(A) –
38
(B) –
83
(C) 24 (D) –24
22. If the queue is implemented with a
linked list, keeping track of a front
pointer and a rear pointer, which of
these pointers will change during an
insertion into a non-empty queue ?
(A) Neither of the pointers change
(B) Only front pointer changes
(C) Only rear pointer changes
(D) Both of the pointers changes
23. is often used to prove the
correctness of a recursive function.
(A) Diagonalization
(B) Communitivity
(C) Mathematical Induction
(D) Matrix Multiplication
24. For any B-tree of minimum degree
t ≥ 2, every node other than the root
must have atleast keys and
every node can have at most
keys.
(A) t – 1, 2t + 1
(B) t + 1, 2t + 1
(C) t – 1, 2t – 1
(D) t + 1, 2t – 1
25. Given two sorted list of size ‘m’ and
‘n’ respectively. The number of
comparison needed in the worst case
by the merge sort algorithm will be
(A) m × n
(B) max (m, n)
(C) min (m, n)
(D) m + n – 1
26. Given the following statements :
S1 : SLR uses follow information to
guide reductions. In case of LR
and LALR parsers, the look- aheads are associated with the
items and they make use of the
left context available to the parser.
S2 : LR grammar is a larger subclass
of context free grammar
as compared to that SLR and
LALR grammars.
Which of the following is true ?
(A) S1 is not correct and S2 is not
correct.
(B) S1 is not correct and S2 is
correct.
(C) S1 is correct and S2 is not
correct.
(D) S1 is correct and S2 is correct.
27. The context free grammar for the
language
L = {an bm | n ≤ m + 3, n ≥ 0, m ≥ 0} is
(A) S → aaa A; A → aAb | B,
B → Bb | λ
(B) S → aaaA|λ, A → aAb | B,
B → Bb | λ
(C) S → aaaA | aa A | λ, A → aAb | B,
B → Bb| λ
(D) S → aaaA | aa A | aA | λ, A →
aAb | B, B → Bb | λ
28. Given the following statements :
S1 : If L is a regular language then
the language {uv | u ∈ L, v ∈ LR}
is also regular.
S2 : L = {wwR} is regular language.
Which of the following is true ?
(A) S1 is not correct and S2 is not
correct.
(B) S1 is not correct and S2 is correct.
(C) S1 is correct and S2 is not correct.
(D) S1 is correct and S2 is correct.

29. The process of assigning load
addresses to the various parts of the
program and adjusting the code and
data in the program to reflect the
assigned addresses is called _______.
(A) Symbol resolution
(B) Parsing
(C) Assembly
(D) Relocation
30. Which of the following derivations
does a top-down parser use while
parsing an input string ? The input is
scanned from left to right.
(A) Leftmost derivation
(B) Leftmost derivation traced out
in reverse
(C) Rightmost derivation traced out
in reverse
(D) Rightmost derivation
31. The dual of a Boolean expression is
obtained by interchanging
(A) Boolean sums and Boolean
products
(B) Boolean sums and Boolean
products or interchanging 0’s
and 1’s
(C) Boolean sums and Boolean
products and interchanging 0’s
& 1’s
(D) Interchanging 0’s and 1’s
32. Given that (292)10 = (1204)x in some
number system x. The base x of that
number system is
(A) 2
(B) 8
(C) 10
(D) None of the above
33. The sum of products expansion for
the function
F(x, y, z) = (x + y)–z is given as
(A) –x –yz + xy–z + –x y–z
(B) xyz + xy–z + x–y –z
(C) x –y –z + –x
–y
–z + xy–z
(D) x y–z + x–y –z + –x y–z
34. Let P(m, n) be the statement
“m divides n” where the universe of
discourse for both the variables is the
set of positive integers. Determine
the truth values of each of the
following propositions :
I. ∀m ∀n P(m, n),
II. ∃m ∀n P(m, n)
(A) Both I and II are true
(B) Both I and II are false
(C) I – false & II – true
(D) I – true & II – false
35. Big – O estimate for
f(x) = (x + 1) log(x2 + 1) + 3x2 is
given as
(A) O(x log x)
(B) O(x2)
(C) O(x3)
(D) O(x2 log x)
36. How many edges are there in a forest
of t-trees containing a total of n
vertices ?
(A) n + t
(B) n – t
(C) n ∗ t
(D) nt

37. Let f and g be the functions from the
set of integers to the set integers
defined by
f(x) = 2x + 3 and g(x) = 3x + 2
Then the composition of f and g and
g and f is given as
(A) 6x + 7, 6x + 11
(B) 6x + 11, 6x + 7
(C) 5x + 5, 5x + 5
(D) None of the above
38. If n and r are non-negative integers
and n ≥ r, then p(n + 1, r) equals to
(A)
p(n, r) (n + 1)
(n + 1 – r)
(B)
p(n, r) (n + 1)
(n – 1 + r)
(C)
p(n, r) (n – 1)
(n + 1 – r)
(D)
p(n, r) (n + 1)
(n + 1 + r)
39. A graph is non-planar if and only if it
contains a subgraph homomorphic to
(A) K3, 2 or K5 (B) K3, 3 and K6
(C) K3, 3 or K5 (D) K2, 3 and K5
40. Which of the following statements
are true ?
I. A circuit that adds two bits,
producing a sum bit and a carry
bit is called half adder.
II. A circuit that adds two bits,
producing a sum bit and a carry
bit is called full adder.
III. A circuit that adds two bits and
a carry bit producing a sum bit
and a carry bit is called full
adder.
IV. A device that accepts the value
of a Boolean variable as input
and produces its complement is
called an inverter.
(A) I & II (B) II & III
(C) I, II, III (D) I, III & IV
41. Active X controls are Pentium binary
programs that can be embedded in
(A) Word pages
(B) URL pages
(C) Script pages
(D) Web pages
42. Match the following :
List – I List – II
a. Wireless
Application
Environment
i. HTTP
b. Wireless
Transaction
Protocol
ii. IP
c. Wireless
Datagram
Protocol
iii. Scripts
d. Wireless iv. UDP
Codes :
a b c d
(A) ii iv i iii
(B) iv iii ii i
(C) iv iii i ii
(D) iii i iv ii
43. Which of the following is widely
used inside the telephone system for
long-haul data traffic ?
(A) ISDN
(B) ATM
(C) Frame Relay
(D) ISTN
44. The document standards for EDI
were first developed by large
business house during the 1970s and
are now under the control of the
following standard organisation :
(A) ISO
(B) ANSI
(C) ITU-T
(D) IEEE

45. Electronic Data Interchange Software
consists of the following four layers :
(A) Business application, Internal
format conversion, Network
translator, EDI envelope
(B) Business application, Internal
format conversion, EDI
translator, EDI envelope
(C) Application layer, Transport
layer, EDI translator, EDI
envelope
(D) Application layer, Transport
layer, IP layer, EDI envelope
46. Consider a preemptive priority based
scheduling algorithm based on
dynamically changing priority.
Larger priority number implies
higher priority. When the process is
waiting for CPU in the ready queue
(but not yet started execution), its
priority changes at a rate a = 2. When
it starts running, its priority changes
at a rate b = 1. All the processes are
assigned priority value 0 when they
enter ready queue. Assume that the
following processes want to execute :
Process
ID
Arrival
Time
Service
Time
P1 0 4
P2 1 1
P3 2 2
P4 3 1
The time quantum q = 1. When two
processes want to join ready queue
simultaneously, the process which
has not executed recently is given
priority. The finish time of processes
P1, P2, P3 and P4 will respectively
be
(A) 4, 5, 7 and 8
(B) 8, 2, 7 and 5
(C) 2, 5, 7 and 8
(D) 8, 2, 5 and 7
47. The virtual address generated by a
CPU is 32 bits. The Translation
Look-aside Buffer (TLB) can hold
total 64 page table entries and a
4-way set associative (i.e. with 4-
cache lines in the set). The page size
is 4 KB. The minimum size of TLB
tag is
(A) 12 bits
(B) 15 bits
(C) 16 bits
(D) 20 bits
48. Consider a disk queue with request
for input/output to block on cylinders
98, 183, 37, 122, 14, 124, 65, 67
in that order. Assume that disk head
is initially positioned at cylinder 53
and moving towards cylinder number
0. The total number of head
movements using Shortest Seek Time
First (SSTF) and SCAN algorithms
are respectively
(A) 236 and 252 cylinders
(B) 640 and 236 cylinders
(C) 235 and 640 cylinders
(D) 235 and 252 cylinders
49. How much space will be required to
store the bit map of a 1.3 GB disk
with 512 bytes block size ?
(A) 332.8 KB
(B) 83.6 KB
(C) 266.2 KB
(D) 256.6 KB
50. Linux operating system uses
(A) Affinity Scheduling
(B) Fair Preemptive Scheduling
(C) Hand Shaking
(D) Highest Penalty Ratio Next


For more detailed information I am uploading PDF files which are free to download:

Contact Details:
University Grants Commission New Delhi
Bahadur Shah Zafar Marg,
Balmiki Basti,
Vikram Nagar,
New Delhi,
Delhi 110002 ‎
093 33 778791
India

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