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Old May 28th, 2014, 10:31 AM
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Old May 28th, 2014, 07:02 PM
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Default Re: University Grants Commission NET Computer Science previous year question papers f

As you want to get the University Grants Commission NET 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. Which of the following data
structure is Non-linear type ?
(A) Strings
(B) Lists
(C) Stacks
(D) None of the above
2. The total number of comparisons in
a bubble sort is
(A) 0(log n)
(B) 0(n log n)
(C) 0(n)
(D) None of the above
3. Which of the following is a bad
example of recursion ?
(A) Factorial
(B) Fibonacci numbers
(C) Tower of Hanai
(D) Tree traversal
4. Domain and Range of the function
Y = – –2x + 3 is
(A) x 
3
2
, y 0 (B) x >
3
2
, y 0
(C) x 
3
2
, y 0 (D) x 
3
2
, y 0
5. Maximum number of edges in a n-
Node undirected graph without self
loop is
(A) n2 (B) n(n – 1)
(C) n(n + 1) (D)
n(n – 1)
2
6. A hash table has space for 75
records, then the probability of
collision before the table is 6% full.
(A) .25 (B) .20
(C) .35 (D) .30
7. BCC in the internet refers to
(A) Black carbon copy
(B) Blind carbon copy
(C) Blank carbon copy
(D) Beautiful carbon copy
8. Hub is a term used with
(A) A Star Networks
(B) A Ring Networks
(C) A Router
(D) A Bridge
9. The amount of uncertainty in a
system of symbol is called
(A) Bandwidth (B) Entropy
(C) Loss (D) Quantum

10. Which of the following network
access standard disassembler is used
for connection station to a packet
switched network ?
(A) X.3 (B) X.21
(C) X.25 (D) X.75
11. A station in a network in a network
forward incoming packets by placing
them on its shortest output queue.
What routing algorithm is being used ?
(A) Hot potato routing
(B) Flooding
(C) Static routing
(D) Delta routing
12. Start and stop bits are used in serial
communications for
(A) Error detection
(B) Error correction
(C) Synchronization
(D) Slowing down the
communication
13. For a data entry project for office
staff who have never used computers
before (user interface and userfriendliness
are extremely
important), one will use
(A) Spiral model
(B) Component based model
(C) Prototyping
(D) Waterfall model
14. An SRS
(A) establishes the basis for
agreement between client and
the supplier.
(B) provides a reference for
validation of the final product.
(C) is a prerequisite to high quality
software.
(D) all of the above.
15. McCabe’s cyclomatic metric V(G)
of a graph G with n vertices, e edges
and p connected component is
(A) e
(B) n
(C) e – n + p
(D) e – n + 2p
16. Emergency fixes known as patches
are result of
(A) adaptive maintenance
(B) perfective maintenance
(C) corrective maintenance
(D) none of the above
17. Design recovery from source code is
done during
(A) reverse engineering
(B) re-engineering
(C) reuse
(D) all of the above

18. Following is used to demonstrate
that the new release of software still
performs the old one did by
rerunning the old tests :
(A) Functional testing
(B) Path testing
(C) Stress testing
(D) Regression testing
19. The post order traversal of a binary
tree is DEBFCA. Find out the preorder
traversal.
(A) ABFCDE (B) ADBFEC
(C) ABDECF (D) ABDCEF
20. B + tree are preferred to binary tree
in database because
(A) Disk capacities are greater than
memory capacities
(B) Disk access much slower than
memory access
(C) Disk data transfer rates are
much less than memory data
transfer rate
(D) Disk are more reliable than
memory
21. What deletes the entire file except
the file structure ?
(A) ERASE
(B) DELETE
(C) ZAP
(D) PACK
22. Which command classes text file,
which has been created using “SET
ALTERNATIVE”
“Command” ?
(A) SET ALTERNATE OFF
(B) CLOSE DATABASE
(C) CLOSE ALTERNATE
(D) CLEAR ALL
23. Data security threats include
(A) privacy invasion
(B) hardware failure
(C) fraudulent manipulation of data
(D) encryption and decryption
24. Which of the following statements is
true, when structure of database file
with 20 records is modified ?
(A) ? EOF ( ) Prints. T
(B) ? BOF ( ) Prints F
(C) ? BOF ( ) Prints T
(D) ? EOF ( ) Prints F
25. The SQL Expression
Select distinct T. branch name from
branch T, branch S where T. assets >
S. assets and S. branch-city
= DELHI, finds the name of
(A) all branches that have greater
asset than any branch located
in DELHI.
(B) all branches that have greater
assets than allocated in
DELHI.
(C) the branch that has the greatest
asset in DELHI.
(D) any branch that has greater
asset than any branch located
in DELHI.

26. Dijkestra banking algorithm in an
operating system, solves the problem of
(A) deadlock avoidance
(B) deadlock recovery
(C) mutual exclusion
(D) context switching
27. The multiuser operating system, 20
requests are made to use a particular
resource per hour, on an average the
probability that no request are made
in 45 minutes is
(A) e–15 (B) e–5
(C) 1 – e–5 (D) 1 – e–10
28. On receiving an interrupt from an
I/O device, the CPU
(A) halts for predetermined time.
(B) branches off to the interrupt
service routine after
completion of the current
instruction.
(C) branches off to the interrupt
service routine immediately.
(D) hands over control of address
bus and data bus to the
interrupting device.
29. The maximum amount of
information that is available in one
portion of the disk access arm for a
removal disk pack (without further
movement of the arm with multiple
heads)
(A) a plate of data
(B) a cylinder of data
(C) a track of data
(D) a block of data
30. Consider a logical address space of 8
pages of 1024 words mapped with
memory of 32 frames. How many
bits are there in the physical address ?
(A) 9 bits (B) 11 bits
(C) 13 bits (D) 15 bits
31. CPU does not perform the operation
(A) data transfer
(B) logic operation
(C) arithmetic operation
(D) all of the above
32. A chip having 150 gates will be
classified as
(A) SSI (B) MSI
(C) LSI (D) VLSI
33. If an integer needs two bytes of
storage, then the maximum value of
unsigned integer is
(A) 216 – 1
(B) 215 – 1
(C) 216
(D) 215
34. Negative numbers cannot be
represented in
(A) signed magnitude form
(B) 1’s complement form
(C) 2’s complement form
(D) none of the above

35. The cellular frequency reuse factor
for the cluster size N is
(A) N
(B) N2
(C)
1
N
(D)
1
N2
36. X – = Y + 1 means
(A) X = X – Y + 1
(B) X = –X – Y – 1
(C) X = –X + Y + 1
(D) = X – Y – 1
37. Handoff is the mechanism that
(A) transfer an ongoing call from
one base station to another
(B) initiating a new call
(C) dropping an ongoing call
(D) none of above
38. Which one of the following
statement is false ?
(A) Context-free languages are
closed under union.
(B) Context-free languages are
closed under concatenation.
(C) Context-free languages are
closed under intersection.
(D) Context-free languages are
closed under Kleene closure.
39. All of the following are examples of
real security and privacy risks except
(A) Hackers
(B) Spam
(C) Viruses
(D) Identify theft
40. Identify the incorrect statement :
(A) The ATM adoption layer is not
service dependent.
(B) Logical connections in ATM
are referred to as virtual
channel connections.
(C) ATM is streamlined protocol
with minimal error and flow
control capabilities
(D) ATM is also known as cell
delays.
41. Software risk estimation involves
following two tasks :
(A) Risk magnitude and risk
impact
(B) Risk probability and risk
impact
(C) Risk maintenance and risk
impact
(D) Risk development and risk
impact
42. The number of bits required for an
IPV
6
address is
(A) 16 (B) 32
(C) 64 (D) 128

43. The proposition ~

qvp is equivalent
to
(A) p q (B) q p
(C) p q (D) p q
44. Enterprise Resource Planning (ERP)
(A) has existed for over a decade.
(B) does not integrate well with
the functional areas other than
operations.
(C) is inexpensive to implement.
(D) automate and integrates the
majority of business processes.
45. Which of the following is false
concerning Enterprise Resource
Planning (ERP) ?
(A) It attempts to automate and
integrate the majority of
business processes.
(B) It shares common data and
practices across the enterprise.
(C) It is inexpensive to implement.
(D) It provides and access
information in a real-time
environment.
46. To compare, overlay or cross
analyze to maps in GIS
(A) both maps must be in digital
form
(B) both maps must be at the same
equivalent scale.
(C) both maps must be on the same
coordinate system
(D) All of the above
47. Web Mining is not used in which of
the following areas ?
(A) Information filtering
(B) Crime fighting on the internet
(C) Online transaction processing
(D) Click stream analysis.
48. A telephone conference call is an
example of which type of
communications ?
(A) same time / same place
(B) same time / different place
(C) different time / different place
(D) different time / same place
49. What is the probability of choosing
correctly an unknown integer
between 0 and 9 with 3 chances ?
(A)
963
1000
(B)
973
1000
(C)
983
1000
(D)
953
1000
50. The number of nodes in a complete
binary tree of height h (with roots at
level 0) is equal to
(A) 20 + 21 + ….. 2h
(B) 20 + 21 + ….. 2h – 1
(C) 20 + 21 + ….. 2h + 1
(D) 21 + ….. 2h + 1

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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