J12CS-PIII-11-20

 UGC NET Computer Science (Paper-III) Mock Test June -2012  

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11.X.25 is ________ Network.
Connection Oriented Network
Connection Less Network
Either Connection Oriented or Connection Less
Neither Connection Oriented nor Connection Less

12. Which of the following can be used for clustering of data ??
Single layer perception ?
Multilayer perception
Self organizing map
Radial basis function

13.Which of the following is scheme to deal with deadlock ?:
Time out
Time in
Both (A) & (B)
None of the above

14. If the pixels of an image are shuffled then the parameter that may change is
Histogram
Mean
Entropy
Covariance

15.The common property of functional language and logical programming language :
Both are declarative
Both are based on l-calculus
Both are procedural
Both are functional

16.Given the following statements(i) The power of deterministic finite state machine and nondeterministic finite state machine are same. (ii) The power of deterministic pushdown automaton and nondeterministic pushdown automaton are same. Which of the above is the correct statement(s) ? :
Both (i) and (ii)
Only (i)
Only (ii)
Neither (i) nor (ii)

17.Let Q(x, y) denote “x + y = 0” and let there be two quantifications given as (i) $y"x Q(x, y) (ii) "x$y Q(x, y) where x & y are real numbers. Then which of the following is valid ?
(i) is true & (ii) is false.
(i) is false & (ii) is true.
(i) is false & (ii) is also false.
both (i) & (ii) are true.

18.Consider a schema R(A, B, C, D) and functional dependencies A ® B and C ® D. Then the decomposition R1(A, B) and R2(C, D) is
Dependency preserving but not lossless join
Dependency preserving and lossless join
Lossless Join but not dependency preserving
Lossless Join

19.The quantiser in an image-compression system is a
lossy element which exploits the psychovisual redundancy
lossless element which exploits the psychovisual redundancy
lossy element which exploits the statistical redundancy
lossless element which exploits the statistical redundancy

20.Data Warehouse provides
Transaction Responsiveness
Storage, Functionality Responsiveness to queries
Demand and Supply Responsiveness
None of the above

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SMRUTIREKHA PATTANAYAK , 4th semester, ICT

Thank you SMRUTIREKHA  !!!