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UGC NET JUN 2006 : COMPUTER SCIENCE AND APPLICATIONS PAPER II

7 pages, 50 questions, 50 questions with responses, 64 total responses,

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Signature and Name of Invigilator Answer Sheet No. : ................................................ (To be filled by the Candidate) 1. (Signature) Roll No. (Name) (In figures as per admission card) Roll No. 2. (Signature) (In words) (Name) Test Booklet No. J 8 7 0 6 PAPER II COMPUTER APPLICATIONS Time : 1 hours] Number of Pages in this Booklet : 8 [Maximum Marks : 100 Number of Questions in this Booklet : 50 U Instructions for the Candidates 1. Write your roll number in the space provided on the top of this page. 1. U DU U S U U U U 2. This paper consists of fifty multiple-choice type of questions. 3. U U U, - S U U U 3. At the commencement of examination, the question booklet will be given to you. In the first 5 minutes, you are requested to open the booklet and compulsorily examine it as below : (i) 2. - - S U (i) - S U U U U S U U- U S S U U (ii) To have access to the Question Booklet, tear off the paper seal on the edge of this cover page. Do not accept a booklet without sticker-seal and do not accept an open booklet. U DU U U U - S DU U U U U U U S DU / U U U U U S S U U U U U S U U - S U U - S U UQ (ii) (iii) 4. Tally the number of pages and number of questions in the booklet with the information printed on the cover page. Faulty booklets due to pages/questions missing or duplicate or not in serial order or any other discrepancy should be got replaced immediately by a correct booklet from the invigilator within the period of 5 minutes. Afterwards, neither the question booklet will be replaced nor any extra time will be given. After this verification is over, the Serial No. of the booklet should be entered in the Answer-sheets and the Serial No. of Answer Sheet should be entered on this Booklet. (iii) - S R U- U Each item has four alternative responses marked (A), (B), (C) and (D). You have to darken the oval as indicated below on the correct response against each item. 4. U U (A), (B), (C) (D) Example : A B C U U U U- R - S U U U U U U U D where (C) is the correct response. 5. Read instructions given inside carefully. 7. Rough Work is to be done in the end of this booklet. 8. If you write your name or put any mark on any part of the test booklet, except for the space allotted for the relevant entries, which may disclose your identity, you will render yourself liable to disqualification. 9. C D U U U S U U U , U 6. U U 7. (Rough Work) S DU U U 8. U- S U , U U U U 9. U # U U- S U U U U U # U U U You have to return the test question booklet to the invigilators at the end of the examination compulsorily and must not carry it with you outside the Examination Hall. / U Z U S U U ( U U) U U 12. U U 10. 10. Use only Blue/Black Ball point pen. 11. 11. Use of any calculator or log table etc., is prohibited. 12. There is NO negative marking. J 8706 B 5. U U I U U- U Your responses to the items are to be indicated in the Answer Sheet given inside the Paper I booklet only. If you mark at any place other than in the ovals in the Answer Sheet, it will not be evaluated. 6. A ( C) U 1 P.T.O. Computer Science and Applications PAPER II Note : 1. This paper contains fifty (50) objective-type questions, each question carrying two (2) marks. Attempt all of them. Which of the following strings is in the language defined by grammar S OA, A 1A/0A/1 (A) 01100 (B) 00101 (C) 10011 (D) 11111 2. For a complete graph with N vertices, the total number of spanning trees is given by : (A) 2N 2 1 (B) NN21 (C) NN22 (D) 2N 1 1 3. The preposition (p q) (~ q p) is equivalent to : (A) q p (B) p q (C) (q p) (p q) (D) (p q) (q p) 4. The logic of pumping lemma is a good example of : (A) pigeon hole principle (B) recursion (C) divide and conquer technique (D) iteration 5. Let A5{ x |21 < x < 1 }5B. The function f ( x )5 (A) (C) injective both injective and surjective (B) (D) x from A to B is : 2 surjective neither injective nor surjective 6. The number of 1 s present in the binary representation of (3351217364153813)10 is : (A) 8 (B) 9 (C) 10 (D) 11 7. Which of the following expression removes static hazard from a two level AND - OR gate implementation of x y1z x (A) 9. (B) x y 1 z x 1 wyz (C) 8. x y1z x x y 1 z x 1 yz (D) x y1z x 1 wz Which of the following logic has the maximum fan out ? (A) RTL (B) ECL (C) NMOS (D) CMOS In a weighted code with weight 6, 4, 2, 23 the decimal 5 is represented by : (A) 0101 (B) 0111 (C) 1011 (D) 1000 J 8706 2 10. 11. Upto how many variables, can the Karnaugh map be used ? (A) 3 (B) 4 (C) 5 (D) 6 What is the output of the following program segment ? main ( ) { int count, digit50; count51; while (digit <59) { printf ( %d/n , 11count); 11digit;} } (A) 10 (B) 9 (C) 12 (D) 11 12. A static variable is one : (A) Which cannot be initialized (B) Which is initialized once at the commencement of execution and cannot be changed at runtime (C) Which retains its value throughout the life of the program (D) Which is the same as an automatic variable but is placed at the head of a program 13. If the following loop is implemented { int num50; do { - - num; printf ( %d , num); num11;} while (num >50) } (A) the loop will run infinitely many times (B) the program will not enter the loop (C) there will be compilation error reported (D) a run time error will be reported 14. # define max (x, y) x5(x > y) ? x : y is a macro definition, which can find the maximum of two numbers x and y if : (A) x and y are both integers only (B) x and y are both declared as float only (C) x and y are both declared as double only (D) x and y are both integers, float or double 15. The function sprintf ( ) works like printf ( ), but operates on : (A) Data in a file (B) stdrr (C) stdin J 8706 3 (D) string P.T.O. 16. A relation R 5 {A, B, C, D, E, F} is given with following set of functional dependencies : F 5{A B, AD C, B F, A E} Which of the following is candidate key ? (A) A (B) AC (C) AD (D) None of these 17. Immediate updates as a recovery protocol is preferable, when : (A) Database reads more than writes (B) Writes are more than reads (C) It does not matter as it is good in both the situations (D) There are only writes 18. Which of the following statement is wrong ? (A) 2 - phase locking protocol suffers from dead locks (B) Time - Stamp protocol suffers from more abort (C) Time stamp protocol suffers from cascading rollbacks where as 2 - phase locking protocol do not (D) None of these 19. Which data management language component enabled the DBA to define the schema components ? (A) DML (B) Subschema DLL (C) Schema DLL (D) All of these 20. A subclass having more than one super class is called __________ . (A) Category (B) Classification (C) Combination (D) Partial participation 21. In the balanced binary tree given below, how many nodes will become unbalanced when a node is inserted as a child of the node g . (A) 22. 1 (B) Preorder is also known as : (A) Depth first order (C) Topological order J 8706 3 (C) (B) (D) 4 7 Breadth first order Linear order (D) 8 23. Which of the following statement is false ? (A) Every tree is a bipartite graph (B) A tree contains a cycle (C) A tree with n nodes contains (n21) edges (D) A tree is connected graph 24. If the post fix form of a string is ABC12D*, The actual string is : (A) (A2(B 1C))*D (B) ((A2B)1C)*D (C) ((A1B)2C)*D (D) (A1(B 2C)*D) 25. Application of data structure queue is : (A) Levelwise printing of tree (B) (C) Function call implementation (D) Implementation of priority queues Depth first search in a graph 26. What is the transmission signal coding method for a T1 carrier called ? (A) Binary (B) NRZ (C) Bipolar (D) Manchester 27. How much bandwidth is required to send 132 voice - grade channels by FDM on an international satellite system ? (A) 500 MHz (B) 10 MHz (C) 1320 MHz (D) 50 MHz 28. What is the difference between the Ethernet frame preamble field and the IEEE 802.3 preamble and start of frame Delimiter fields ? (A) 1 byte (B) 1 bit (C) 4 bits (D) 16 bits 29. What is the function of a translating bridge ? (A) Connect similar remote LANs (B) Connect similar local LANs (C) Connect different types of LANs (D) Translate the network addresses into a layer 2 address 30. The program used to determine the round - trip delay between a workstation and a destination address is : (C) Ping (D) Pop (A) Tracert (B) Traceroute 31. Which statement is wrong ? (A) If linked origin translated origin, relocation must be performed by the linker (B) If load linked origin, the loader must perform relocation (C) A linker always perform relocation, whereas some loaders do not (D) None of these J 8706 5 P.T.O. 32. Tasks done in parsing are : (A) Check the validity of a source string (B) Determine the syntactic structure of a source string (C) Both (A) and (B) (D) None of these 33. YACC builds up __________ parsing table. (A) LALR (B) LR (C) SLR (D) LLR 34. The action of passing the source program into the proper syntactic class is known as : (A) Syntax analysis (B) Lexical analysis (C) Interpretation analysis (D) Uniform symbol generation 35. The dynamic binding occurs during the : (A) Compile time (B) (C) Linking time (D) 36. Run time Pre - processing time The first operating system of Microprocessor is __________ . (A) ATLAS (B) CP/M (C) SAGE (D) T.H.E. 37. In processor management, round robin method essentially uses the preemptive version of __________ . (A) FILO (B) FIFO (C) SJF (D) Longest time first 38. A page fault __________ . (A) is an error in specific page (B) is an access to the page not currently in main memory (C) occurs when a page program accesses a page of memory (D) is reference to the page which belongs to another program 39. __________ synchronize critical resources to prevent deadlock. (A) P - operator (B) V - operator (C) Semaphores (D) Hard disk 40. The memory allocation scheme subjected to external fragmentation is : (A) Segmentation (B) Swapping (C) Demand paging (D) Multiple contiguous fixed partitions 41. In software project planning, work Breakdown structure must be __________ . (A) A graph (B) A tree (C) A Eular s graph (D) None of the above J 8706 6 42. In Software Metrics, McCABE S cyclomatic number is given by following formula : (A) (B) c5e2 n2 2p (C) 43. c5e 2n12p c5e 1n12p (D) c5e2n* 2p In a good software design, __________ coupling is desirable between modules. (A) 44. Highest (B) Lowest (C) Internal (D) External System study yields the following : (A) (B) Prevailing process description (C) 45. Requirement specifications Data source identification (D) All the above The COCOMO model is used for __________ . (A) (B) software cost estimation (C) 46. software design software cost approximation (D) software analysis MMS (Multimedia Messaging Service) uses __________ types of messages to perform messaging transactions. (A) 47. 4 (B) 6 (C) 8 Radio links (B) Microwave links (C) VSAT communication (D) Optical fiber links Downflow is the process associated with __________ and back up of data in a warehouse. (A) 49. packaging (B) archiving (C) extraction (D) loading Predictive modeling in data mining uses __________ technique. (A) Statistical (B) Association Discovery (C) 50. 10 Bluetooth technology uses the transmission media. (A) 48. (D) Value prediction (D) None of these The use of a smart card represents a form of : (A) password encryption (B) user - ID encryption (C) authorization (D) authentication -o0o- J 8706 7 P.T.O.

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Additional Info : Ugc Net June 2006 Question Paper - Computer Science And Applications Paper II
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