#1
23rd August 2014, 09:20 AM
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UGC-NET Computer Science Exam Question Paper
Will you please provide the question paper of UGC-NET Computer Science Applications?
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#2
23rd August 2014, 10:06 AM
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Re: UGC-NET Computer Science Exam Question Paper
List of few questions of UGC-NET Computer Science and Applications exam is given below: 1. Consider the circuit shown below. In a certain steady state, Y is at logical ‘l’. What are possible values of A, B, C ? (A) A = 0, B = 0, C = 1 (B) A = 0, B = C = 1 (C) A = 1, B = C = 0 (D) A = B = 1, C = 1 2. The worst case time complexity of AVL tree is better in comparison to binary search tree for (A) Search and Insert Operations (B) Search and Delete Operations (C) Insert and Delete Operations (D) Search, Insert and Delete Operations 3. The GSM network is divided into the following three major systems : (A) SS, BSS, OSS (B) BSS, BSC, MSC (C) CELL, BSC, OSS (D) SS, CELL, MSC 4. The power set of the set {} is (A) {} (B) {, {}} (C) {0} (D) {0, , {}} 5. If the disk head is located initially at 32, find the number of disk moves required with FCFS if the disk queue of I/O blocks requests are 98, 37, 14, 124, 65, 67. (A) 239 (B) 310 (C) 321 (D) 325 6. Component level design is concerned with (A) Flow oriented analysis (B) Class based analysis (C) Both of the above (D) None of the above 7. The ‘C’ language is (A) Context free language (B) Context sensitive language (C) Regular language (D) None of the above 8. The Mobile Application Protocol (MAP) typically runs on top of which protocol ? (A) SNMP (Simple Network Management Protocol) (B) SMTP (Simple Mail Transfer Protocol) (C) SS7 (Signalling System 7) (D) HTTP (Hyper Text Transfer Protocol) 9. If a packet arrive with an M-bit value is ‘l’ and a fragmentation offset value ‘0’, then it is ______ fragment. (A) First (B) Middle (C) Last (D) All of the above 10. The number of bit strings of length eight that will either start with a 1 bit or end with two bits 00 shall be (A) 32 (B) 64 (C) 128 (D) 160 11. In compiler design ‘reducing the strength’ refers to (A) reducing the range of values of input variables. (B) code optimization using cheaper machine instructions. (C) reducing efficiency of program. (D) None of the above 12. In which addressing mode, the effective address of the operand is generated by adding a constant value to the contents of register ? (A) Absolute (B) Indirect (C) Immediate (D) Index 13. Which of the following is true ? (A) A relation in BCNF is always in 3NF. (B) A relation in 3NF is always in BCNF. (C) BCNF and 3NF are same. (D) A relation in BCNF is not in 3NF. 14. Given memory partitions of 100 K, 500 K, 200 K, 300 K and 600 K (in order) and processes of 212 K, 417 K, 112 K, and 426 K (in order), using the first-fit algorithm, in which partition would the process requiring 426 K be placed ? (A) 500 K (B) 200 K (C) 300 K (D) 600 K 15. What is the size of the Unicode character in Windows Operating System ? (A) 8-Bits (B) 16-Bits (C) 32-Bits (D) 64-Bits 16. In which tree, for every node the height of its left subtree and right subtree differ almost by one ? (A) Binary search tree (B) AVL tree (C) Threaded Binary Tree (D) Complete Binary Tree 17. The design issue of Datalink Layer in OSI Reference Model is (A) Framing (B) Representation of bits (C) Synchronization of bits (D) Connection control 18. Given the following expressions of a grammar E E * F / F + E / F F F – F / id Which of the following is true ? (A) * has higher precedence than + (B) – has higher precedence than * (C) + and – have same precedence (D) + has higher precedence than * 19. The maturity levels used to measure a process are (A) Initial, Repeatable, Defined, Managed, Optimized. (B) Primary, Secondary, Defined, Managed, Optimized. (C) Initial, Stating, Defined, Managed, Optimized. (D) None of the above 20. The problem of indefinite blockage of low-priority jobs in general priority scheduling algorithm can be solved using : (A) Parity bit (B) Aging (C) Compaction (D) Timer 21. Which API is used to draw a circle ? (A) Circle ( ) (B) Ellipse ( ) (C) Round Rect ( ) (D) Pie ( ) 22. In DML, RECONNCT command cannot be used with (A) OPTIONAL Set (B) FIXED Set (C) MANDATOR Set (D) All of the above 23. Coaxial cables are categorized by Radio Government rating are adapted for specialized functions. Category RG-59 with impedance 75 used for (A) Cable TV (B) Ethernet (C) Thin Ethernet (D) Thick Ethernet 24. RAD stands for ______. (A) Rapid and Design (B) Rapid Aided Development (C) Rapid Application Development (D) Rapid Application Design 25. Suppose that someone starts with a chain letter. Each person who receives the letter is asked to send it on to 4 other people. Some people do this, while some do not send any letter. How many people have seen the letter, including the first person, if no one receives more than one letter and if the chain letter ends after there have been 100 people who read it but did not send it out ? Also find how many people sent out the letter ? (A) 122 & 22 (B) 111 & 11 (C) 133 & 33 (D) 144 & 44 26. A hash function f defined as f (key) = key mod 13, with linear probing is used to insert keys 55, 58, 68, 91, 27, 145. What will be the location of 79 ? (A) 1 (B) 2 (C) 3 (D) 4 27. Which of the following is true while converting CFG to LL(I) grammar ? (A) Remove left recursion alone (B) Factoring grammar alone (C) Both of the above (D) None of the above 28. Identify the Risk factors which are associated with Electronic payment system. (A) Fraudulent use of Credit Cards. (B) Sending Credit Card details over internet. (C) Remote storage of Credit Card details. (D) All of the above 29. Which of the following are two special functions that are meant for handling exception, that occur during exception handling itself ? (A) Void terminate ( ) and Void unexpected ( ) (B) Non void terminate ( ) and void unexpected ( ) (C) Void terminate ( ) and non void unexpected ( ) (D) Non void terminate ( ) and non void unexpected ( ) 30. Which of the following memory allocation scheme suffers from external fragmentation ? (A) Segmentation (B) Pure demand paging (C) Swapping (D) Paging 31. Basis path testing falls under (A) system testing (B) white box testing (C) black box testing (D) unit testing 32. The User Work Area (UWA) is a set of Program variables declared in the host program to communicate the contents of individual records between (A) DBMS & the Host record (B) Host program and Host record (C) Host program and DBMS (D) Host program and Host language 33. Consider the tree given below : Using the property of eccentricity of a vertex, find every vertex that is the centre of the given tree. (A) d & h (B) c & k (C) g, b, c, h, i, m (D) c & h 34. The maximum number of keys stored in a B-tree of order m and depth d is (A) md + 1 – 1 (B) md+1 – 1 m – 1 (C) (m – 1) (md + 1 – 1) (D) md – 1 m – 1 35. Which of the following is the most powerful parring method ? (A) LL(I) (B) Canonical LR (C) SLR (D) LALR 36. In UNIX, which of the following command is used to set the task priority ? (A) init (B) nice (C) kill (D) PS 37. AES is a round cipher based on the Rijndal Algorithm that uses a 128-bit block of data. AES has three different configurations. ______ rounds with a key size of 128 bits, ______ rounds with a key size of 192 bits and ______ rounds with a key size of 256 bits. (A) 5, 7, 15 (B) 10, 12, 14 (C) 5, 6, 7 (D) 20, 12, 14 38. Match the following IC families with their basic circuits : a. TTL 1. NAND b. ECL 2. NOR c. CMOS 3. Inverter Code : a b c (A) 1 2 3 (B) 3 2 1 (C) 2 3 1 (D) 2 1 3 39. Match the following with respect to C++ data types : a. User defined type 1. Qualifier b. Built in type 2. Union c. Derived type 3. Void d. Long double 4. Pointer Code : a b c d (A) 2 3 4 1 (B) 3 1 4 2 (C) 4 1 2 3 (D) 3 4 1 2 40. Given an empty stack, after performing push (1), push (2), Pop, push (3), push (4), Pop, Pop, push(5), Pop, what is the value of the top of the stack ? (A) 4 (B) 3 (C) 2 (D) 1 41. Enumeration is a process of (A) Declaring a set of numbers (B) Sorting a list of strings (C) Assigning a legal values possible for a variable (D) Sequencing a list of operators 42. Which of the following mode declaration is used in C++ to open a file for input ? (A) ios : : app (B) in : : ios (C) ios : : file (D) ios : : in 43. Data Encryption Techniques are particularly used for ______. (A) protecting data in Data Communication System. (B) reduce Storage Space Requirement. (C) enhances Data Integrity. (D) decreases Data Integrity. 44. Let L be a set accepted by a non- deterministic finite automaton. The number of states in non-deterministic finite automaton is |Q|. The maximum number of states in equivalent finite automaton that accepts L is (A) |Q| (B) 2|Q| (C) 2|Q| – 1 (D) 2|Q| 45. What is the result of the following expression ? (1 & 2) + (3 & 4) (A) 1 (B) 3 (C) 2 (D) 0 46. Back propagation is a learning technique that adjusts weights in the neural network by propagating weight changes. (A) Forward from source to sink (B) Backward from sink to source (C) Forward from source to hidden nodes (D) Backward from since to hidden nodes 47. Match the following : a. TTL 1. High fan out b. ECL 2. Low propagation delay c. CMOS 3. High power dissipation Code : a b c (A) 3 2 1 (B) 1 2 3 (C) 1 3 2 (D) 3 1 2 48. ______ is an “umbrella” activity that is applied throughout the software engineering process. (A) Debugging (B) Testing (C) Designing (D) Software quality assurance 49. Identify the operation which commutative but not associative ? is (A) OR (B) NOR (C) EX-OR (D) NAND 50. Given a Relation POSITION (Posting-No, Skill), then query to retrieve all distinct pairs of posting-nos. requiring skill is (A) Select p.posting-No, p.posting-No from position p where p.skill = p.skill and p.posting-No < p.posting-No (B) Select p1.posting-No, p2.posting-No from position p1, position p2 where p1.skill = p2.skill (C) Select p1.posting-No, p2.posting-No from position p1, position p2 where p1.skill = p2.skill and p1.posting-No < p2.posting-No (D) Select p1.posting-No, p2.posting-No from position p1, position p2 where p1.skill = p2.skill and p1.posting-No = p2.posting-No |
#3
18th February 2016, 01:10 PM
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Re: UGC-NET Computer Science Exam Question Paper
Hello Buddy , Here I am Looking for Previous Years UGC-NET Computer Science Exam Question Paper ,Wil you plzz Provide me Same for my help ?
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#4
18th February 2016, 01:10 PM
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Re: UGC-NET Computer Science Exam Question Paper
Friend on your Demanding here I am Providing Previous Years UGC-NET Computer Science Exam Question Paper : 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 Ans:-A 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. Ans:-C Explanation:- CFL's are closed under union, concatenation, and Kleene closure. But not under intersection or difference. So the correct answer is option C. All of the following are examples of real security and privacy risks except (A) Hackers (B) Spam (C) Viruses (D) Identify theft Ans:-B 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. Ans:-A 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 Ans:-B The number of bits required for an IPV6 address is (A) 16 (B) 32 (C) 64 (D) 128 Ans:-D The proposition ~ q–vp is equivalent to (A)p→q (B) q→p (C) p↔q (D) p∨q Ans:-B 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. Ans:-D 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. Ans:-C 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 Ans:-D 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. Ans:-B 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 Ans:-B 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 Ans:-A 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 Ans:-A Eco system is a Frame work for (A) Building a Computer System (B) Building Internet Market (C) Building Offline Market (D) Building Market The technique of temporarily delaying outgoing acknowledgements so that they can be hooked onto the next outgoing data frame is known as (A) Bit stuffing (B) Piggy backing (C) Pipelining (D) Broadcasting Is process of extracting previously non known valid and actionable information from large data to make crucial business and strategic decisions. (A) Data Management (B) Data base (C) Data Mining (D) Meta Data The aspect ratio of an image is defined as (A) The ratio of width to its height measured in unit length. (B) The ratio of height to width measured in number of pixels. (C) The ratio of depth to width measured in unit length. (D) The ratio of width to depth measured in number of pixels. 7. Which of the following features will characterize an OS as multi- programmed OS ? (a) More than one program may be loaded into main memory at the same time. (b) If a program waits for certain event another program is immediately scheduled. (c) If the execution of a program terminates, another program is immediately scheduled. (A) (a) only (B) (a) and (b) only (C) (a) and (c) only (D) (a), (b) and (c) only Using RSA algorithm, what is the value of cipher text C, if the plain text M = 5 and p = 3, q = 11 & d = 7 ? (A) 33 (B) 5 (C) 25 (D) 26 You are given an OR problem and a XOR problem to solve. Then, which one of the following statements is true ? (A) Both OR and XOR problems can be solved using single layer perception. (B) OR problem can be solved using single layer perception and XOR problem can be solved using self organizing maps. (C) OR problem can be solved using radial basis function and XOR problem can be solved using single layer perception. (D) OR problem can be solved using single layer perception and XOR problem can be solved using radial basis function. The time complexities of some standard graph algorithms are given. Match each algorithm with its time complexity ? (n and m are no. of nodes and edges respectively) a. Bellman Ford algorithm 1. O (m log n) b. Kruskals algorithm 2. O (n3) c. Floyd Warshall algorithm 3. O(mn) d. Topological sorting 4. O(n + m) Codes : a b c d (A) 3 1 2 4 (B) 2 4 3 1 (C) 3 4 1 2 (D) 2 1 3 4 Let T(n) be the function defined by T(n) = 1 and T(n) = 2T (n/2) + n, which of the following is TRUE ? (A) T(n) = O( n) (B) T(n) = O(log2n) (C) T(n) = O(n) (D) T(n) = O(n2) In classful addressing, an IP address 123.23.156.4 belongs to class format. (A) A (B) B (C) C (D) D The Mandelbrot set used for the construction of beautiful images is based on the following transformation : xn + 1= x2n + z Here, (A) Both x & z are real numbers. (B) Both x & z are complex numbers. (C) x is real & z is complex. (D) x is complex & z is real. Which of the following permutations can be obtained in the output using a stack of size 3 elements assuming that input, sequence is 1, 2, 3, 4, 5 ? (A) 3, 2, 1, 5, 4 (B) 5, 4, 3, 2, 1 (C) 3, 4, 5, 2, 1 (D) 3, 4, 5, 1, 2 In a Linear Programming Problem, suppose there are 3 basic variables and 2 non-basic variables, then the possible number of basic solutions are (A) 6 (B) 8 (C) 10 (D) 12 Which provides an interface to the TCP/IP suit protocols in Windows95 and Windows NT ? (A) FTP Active-X Control (B) TCP/IP Active-X Control (C) Calinsock Active-X Control (D) HTML Active-X Control If dual has an unbounded solution, then its corresponding primal has (A) no feasible solution (B) unbounded solution (C) feasible solution (D) none of these The number of distinct bracelets of five beads made up of red, blue, and green beads (two bracelets are indistinguishable if the rotation of one yield another) is, (A) 243 (B) 81 (C) 51 (D) 47 Which are the classifications of data used in Mobile Applications ? (A) Private data, User data, Shared data. (B) Public data, User data, Virtual data. (C) Private data, Public data, Shared data. (D) Public data, Virtual data, User data. lamps are to be connected to a single electric outlet by using an extension board each of which has four outlets. The number of extension boards needed to connect all the light is (A) 29 (B) 28 (C) 20 (D) 19 The Z-buffer algorithm is used for Hidden surface removal of objects. The maximum number of objects that can be handled by this algorithm shall (A) Depend on the application (B) be arbitrary no. of objects (C) Depend on the memory availability (D) Depend on the processor In Win32, which function is used to create Windows Applications ? (A) Win APP (B) Win API (C) Win Main (D) Win Void Which of the following flags are set when ‘JMP’ instruction is executed ? (A) SF and CF (B) AF and CF (C) All flags (D) No flag is set A thread is a light weight process. In the above statement, weight refers to (A) time (B) number of resources (C) speed (D) All the above Suppose a processor does not have any stack pointer registers, which of the following statements is true ? (A) It cannot have subroutine call instruction. (B) It cannot have nested subroutine calls. (C) Interrupts are not possible. (D) All subroutine calls and interrupts are possible. Everything below the system call interface and above the physical hardware is known as . (A) Kernel (B) Bus (C) Shell (D) Stub Which is not the correct statement ? (A) The class of regular sets is closed under homomorphisms. (B) The class of regular sets is not closed under inverse homomorphisms. (C) The class of regular sets is closed under quotient. (D) The class of regular sets is closed under substitution. When a programming Language has the capacity to produce new datatype, it is called as, (A) Overloaded Language (B) Extensible Language (C) Encapsulated Language (D) Abstraction Language Which of the following operating system is better for implementing client-server network ? (A) Windows 95 (B) Windows 98 (C) Windows 2000 (D) All of these Consider a system having m resources of the same type. These resources are shared by 3 processes A, B and C which have peak demands of 3, 4 and 6 respectively. For what value of m deadlock will not occur ? (A) 7 (B) 9 (C) 10 (D) 13 The Default Parameter Passing Mechanism is called as (A) Call by Value (B) Call by Reference (C) Call by Address (D) Call by Name Functions defined with class name are called as (A) Inline function (B) Friend function (C) Constructor (D) Static function If the parse tree of a word w generated by a Chomsky normal form grammar has no path of length greater than i, then the word w is of length (A) no greater than 2i+1 (B) no greater than 2i (C) no greater than 2i–1 (D) no greater than i The Object Modelling Technique (OMT) uses the following three kinds of model to describe a system (A) Class Model, Object Model and Analysis Model. (B) Object Model, Dynamic Model, and Functional Model. (C) Class Model, Dynamic Model and Functional Model. (D) Object Model, Analysis Model and Dynamic Model The factors that determine the quality of a software system are (A) correctness, reliability (B) efficiency, usability, maintainability (C) testability, portability, accuracy, error tolerances, expandability, access control, audit. (D) All of the above Which level of Abstraction describes how data are stored in the data base ? (A) Physical level (B) View level (C) Abstraction level (D) Logical level The transform which possesses the “multi-resolution” property is (A) Fourier transform (B) Short-time-Fourier transform (C) Wavelet transform (D) Karhunen-Loere transform |
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