Vocational Instructor in Computer Application 251/2014 Answer Key

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Post : Vocational Instructor in Computer Application
Department : Kerala Vocational Higher Secondary Education
Category Code : 251/14
Qualification : Post Graduate Diploma in Computer Application; B.Sc Degree in computer Science; BCA (Bachelor of Computer Application)
Date of Test : 20-04-2018




  1. The errors that can be pointed out by the compiler are
    • Logical errors
    • Syntax error
    • Semantic error
    • Internal error

  2. The minimum number of edges in a connected cyclic graph on 'n' vertices is
    • n-1
    • n
    • n+1
    • none of these

  3. All digital circuits can be realized using only
    • Ex-OR gates
    • Half adders
    • Multiplexers
    • OR gates

  4. The Bus is a group of ____________ carrying digital signals.
    • Wires
    • Transistors
    • Gates
    • Registers

  5. The functional capacity of VLSI devices is
    • 1 to 11 gates
    • 12 to 99 gates
    • 100 to 10,000 gates
    • more than 10,000 gates

  6. How many bits are required to encode all 26 letters, ten symbols, and ten numerals?
    • 5
    • 6
    • 7
    • 46

  7. When we move from the outermost track to the innermost track of a magnetic disk is usually?
    • Increases
    • Decreases
    • Remains the same
    • Either remain constant or decreases

  8. In a microprocessor, the register which holds the address of the next instruction to be fetched is
    • Accumulator
    • Program counter
    • Stack Pointer
    • Instruction register

  9. Which of the following requires a device driver?
    • Register
    • Cache
    • Disk
    • Main memory

  10. An attribute of one table matching the primary key of another table is called
    • Foreign key
    • Secondary key
    • Candidate key
    • Composite key

  11. The average number of key comparisons done in a successful sequential search in a list of length n is
    • log n
    • log n*n
    • log n/2
    • (n+1)/2

  12. Which of the following algorithms solves the all-pair shorter path problem?
    • Dijkstra's algorithm
    • Floyd's algorithm
    • Prim's algorithm
    • Warshall's algorithm

  13. The post fix expression for the infix expression A + B * (C + D)/F + D * E is
    • AB + CD + * F / D + E *
    • ABCD + * F / + DE *+
    • A * B + CD / F * DE++
    • A + *BCD / F * DE++

  14. A distributed data processing configuration in which all activities must pass through a centrally located computer is called a
    • Ring network
    • Hierarchical network
    • Spider network
    • Data control network

  15. What is the minimum number of wires required for sending data over a serial communication links?
    • 2
    • 1
    • 4
    • 3

  16. Data warehousing refers to
    • Storing data offline at a separate site
    • Is related to data mining
    • Back up data regularly
    • Uses tape as opposed to disk

  17. By means of a dataflow diagram, the analyst can detect
    • Task duplication
    • Unnecessary delays
    • Task overlapping
    • All of these

  18. Assembly language uses
    • Hex code
    • Binary code
    • Mnemonics
    • ASCII code

  19. 8085 instruction set has __________ different instructions.
    • 74
    • 98
    • 85
    • 100

  20. Lexical analyzer generates
    • Trees
    • Code
    • Tokens
    • Intermediate code

  21. Recursive functions are executed in a
    • Last in first out order
    • First in first out order
    • Parallel fashion
    • All of these

  22. What does the statement, printf("%d", 10? 0? 5:1:12); print?
    • 10
    • 0
    • 12
    • 11

  23. Information in a memory that no longer valid or wanted is known as
    • Non-volatile
    • Volatile
    • Surplus
    • Garbage

  24. A top-down parser generates
    • Left-most derivation
    • Right-most derivation
    • Right-most derivation in reverse
    • Left-most derivation in reverse

  25. Which command in UNIX is used to save the standard output in a file, as well as display it on the terminal?
    • more
    • grep
    • cat
    • tee

  26. Virtual memory is
    • An extremely large main memory
    • An extremely large secondary memory
    • An illusion of an extremely large memory
    • A type of memory used in the super computer

  27. Which of the following is a service not supported by the operating system?
    • Protection
    • Accounting
    • Compilation
    • I/O operation

  28. Distributed System should
    • Meet prescribed time constraints
    • Aim better resource sharing
    • Aim better system utilization
    • None of these

  29. Waterfall model has _________ steps or phases.
    • 5
    • 4
    • 8
    • 6

  30. A pointer variable can be
    • Passed to a function as an argument
    • Changed with in a function
    • Returned by a function
    • Assigned an integer value

  31. Basic path testing is
    • Both black and white box
    • White box testing method
    • Black box testing method
    • Can't say

  32. The railway reservation system currently operational India can be classified as a
    • Batch system
    • Real-time system
    • Online system
    • Expert system

  33. Which of the following is a desirable property of a module?
    • Independency
    • Low cohesiveness
    • High coupling
    • Multi-functional

  34. MFC's view class is derived from
    • CDVA
    • CcmdSource
    • cWndAll
    • CcmdTarget

  35. The universal flip-flop which can perform the function of any flip-flop is
    • JK Flip Flop
    • RS Flip Flop
    • Both JK Flip Flop and RS Flip Flop
    • None of these

  36. A programming structure that contains data and a pointer to the next object is a
    • Template
    • Class
    • Pointer class
    • Linked list

  37. A friend function can called
    • By using object of the class
    • Directly
    • Should not be called
    • Like a normal function

  38. Which of the following operator may be overloaded?
    • . (member)
    • :: (scope resolution)
    • % (modulus)
    • ?: (conditional)

  39. A constructor always has
    • Communication cohesion
    • Temporal cohesion
    • Logical cohesion
    • No cohesion

  40. In C programming language, which of the following type of operators have the highest precedence?
    • Arithmetic operators
    • Equality operators
    • Logical operators
    • Relational operators

  41. Full adder is constructed by using
    • Two half adder and two OR gate
    • Two OR gates and one half adder
    • Two half adder and one OR gate
    • One half adder and one OR gate

  42. Which of the following is the correct way of declaring a float pointer?
    • floatptr
    • float *ptr
    • *float ptr
    • *float *ptr

  43. A relation in which the intersection of each row and column contains one and only one value is said to be in
    • First Normal form
    • Second Normal form
    • Third Normal form
    • Fourth Normal form

  44. What will be the output of the following statement?
    int i = 3 ;
    printf("%d%d", i, i++);
    • 34
    • 43
    • 44
    • 33

  45. In any class structure, if A and B are the base class and C is inherited class from A and B, then such structure will be known as
    • Single inheritance
    • Multiple inheritance
    • Multilevel inheritance
    • Hierarchical inheritance

  46. Which layer is immediately below the Data Link layer?
    • Physical
    • Network
    • Transport
    • Application

  47. Binary search algorithm cannot be applied to
    • Sorted linked list
    • Sorted binary tree
    • Sorted linear array
    • Pointer array

  48. Which of the following sorting algorithm is of Divide and Conquer type?
    • Bubble sort
    • Insertion sort
    • Quick sort
    • All of these

  49. The depth of a complete binary tree is given by
    • Dn = nlog2n
    • Dn = nlog2(n + 1)
    • Dn = log2n
    • Dn = log2(n + 1)

  50. If an array is declared as inta[4] = {5, 0, 7, 4} \, then values assigned to a[0] and a[4] will be
    • 5 and 4
    • 0 and 4
    • 5 and 0
    • 0 and 7

  51. In C++, dynamic allocation is accomplished with the operator
    • new
    • this
    • malloc()
    • delete

  52. In order to allow only one process to enter its critical section, binary semaphores are initialized to
    • 0
    • 1
    • 2
    • 3

  53. Banker's algorithm for resource allocation deals with
    • Deadlock Prevention
    • Deadlock Avoidance
    • Deadlock Recovery
    • Mutual Exclusion

  54. The knowledge base of AI computing includes both facts and
    • Theories
    • Heuristics
    • Algorithms
    • Analysis

  55. What type of information is stored in the Phonological loop?
    • Visual Information
    • Auditory Information
    • Speech-Based Information
    • Spatial Information

  56. Which of the following is/are the application of expert system?
    • Control and monitoring
    • Debugging
    • Diagnosis
    • All of these

  57. Another name of IEEE 802.11 a is
    • Wi-Max
    • Fast Ethernet
    • Wi-Fi
    • 802.11 g

  58. The largest decimal number that can be represented with 10 binary digits is
    • 512
    • 1024
    • 1023
    • None of these

  59. What will this program display?
    #include <stdio.h>
    Main ( )
    { float f;
    f = 10 / 3;
    printf("%f", f);
    }
    • 3.3
    • 3.0
    • 3.1
    • 3.000000

  60. Which of the following is invalid character constant in C language?
    • 'a'
    • 'b'
    • '\n'
    • '/n'

  61. Which language has recently become the defacto standard for interfacing application programs with relational database system?
    • Oracle
    • SQL
    • dBase
    • 4GL

  62. Which of the following is not a logical database structure?
    • Tree
    • Relational
    • Chain
    • Network

  63. Which of the following system software resides in memory always?
    • Text Editor
    • Assembler
    • Linker
    • Loader

  64. In which addressing mode, the operand is given explicitly in the instruction?
    • Absolute mode
    • Immediate mode
    • Indirect mode
    • Index mode

  65. Cyclomatic Complexity is given by V(G) =
    • E - N + 2
    • E - N
    • E + N - 2
    • E + N

  66. An OR gate has 6 inputs. What is the only input that produces a 0 output?
    • 000000
    • 000111
    • 111000
    • 111111

  67. The entity Relationship model comes under
    • Object-Based Logical Model
    • Record Based Logical Model
    • Physical Data Model
    • None of these

  68. Oracle is a ____________ relational database management system.
    • First Generation
    • Second Generation
    • Third Generation
    • Fourth Generation

  69. With SQL, how can you return the number of record in the "student" table
    • SELECT COLUMNS(*) FROM student
    • SELECT COUNT( ) FROM student
    • SELECT COUNT(*) FROM student
    • SELECT COLUMNS( ) FROM student

  70. Half adder is logic circuit that adds ___________ digits at time.
    • One
    • Two
    • Three
    • Zero

  71. Which programming language is associated with Admiral Grace Hopper?
    • LISP
    • C
    • BASIC
    • COBOL

  72. A schema describes
    • data elements
    • records and files
    • record relationships
    • all of these

  73. Minimum number of record movement required to merge five files A (with 10 records), B (with 20 records), C (with 15 records), D (with 5 records) and E (with 25 records) is
    • 165
    • 90
    • 75
    • 65

  74. A given connected graph G is a Euler graph if and only if all vertices of G are of
    • Same degree
    • Even degree
    • Odd degree
    • Different degree

  75. In compilers, the syntax analysis is done by
    • Lexical Analyzer
    • Scanner
    • Parser
    • Code Generator

  76. The bubble sort would compare the code [x] element to the ________ element.
    • code [x + 1]
    • code [x + 2]
    • code [x + 2x]
    • All of these

  77. Correct HTML tag for the largest heading is
    • <h1>
    • <h6>
    • <heading>
    • <head>

  78. The symbol table implementation is based on the property of locality of reference is
    • Linear List
    • Hash table
    • Search Tree
    • Self-organization list

  79. Data structuring is defined through a process called
    • Structuring process
    • Hierarchical structure
    • Normalization
    • Relation structure

  80. OLAP is acronym for online
    • Analytical Project
    • Analytical Processing
    • Application Process
    • None of these

  81. India's Super Computer, Pratyush is dedicated to
    • Weather and Climate research
    • Defense study
    • Market research
    • Population study

  82. Which section of the Indian Penal Code criminalizes homosexuality?
    • 317
    • 178
    • 477
    • 377

  83. The code name of India's first indigenous nuclear powered ballistic missile submarine is
    • INS30
    • S2
    • S11
    • INS25

  84. The project launched by the Kerala State Women's Development Corporation to empower women in the tribal settlement is
    • Gothramitra
    • Mahila Mitra
    • Vanamitra
    • Janamitra

  85. Who was known as the ''Stalin of Vayalar''?
    • V.S. Achuthanandan
    • C.P. Ramaswami Aiyar
    • K.C. George
    • C.K. Kumara Panikkar

  86. The 21st Chief Election Commissioner of India is
    • Om Prakash Rawat
    • Achal Kumar Joti
    • Ashok Lavasa
    • Sunil Arora

  87. Sahodara Sangham was founded in
    • 1907
    • 1937
    • 1917
    • 1927

  88. The journalist, Rachna Khaira who exposed the Aadhaar data leak belongs to
    • The Tribune
    • The Hindu
    • The New Indian Express
    • The Times of India

  89. Who described the power conferred by the Article 356 of the Indian Constitution as a ''Dead Letter''?
    • Jawaharlal Nehru
    • Dr. B.R. Ambedkar
    • H.N. Kunzru
    • Dr. Rajendra Prasad

  90. Who was the General Secretary of the Travancore Defence Committee?
    • A.K. Gopalan
    • Mannath Padmanabhan
    • C. Kesavan
    • M.M. Cherian

  91. Who criticized the Financial Emergency provisions of the Indian Constitution as ''a form of constitutional dictatorship''?
    • Mahabir Tyagi
    • Dr. B.R. Ambedkar
    • T.T. Krishnamachari
    • K.T. Shah

  92. The poem Sahodari Kurathi was authored by
    • Sahodaran Ayyappan
    • Ayyan Kali
    • Sivayogi
    • Ayyathan Gopalan

  93. Jnanodaya Yogam was founded in
    • 1906
    • 1896
    • 1946
    • 1927

  94. The Ezhava Mahajana Sabha was started at
    • Thalassery
    • Kozhikode
    • Ponnani
    • Palakkad

  95. The recently re-elected Indian nominee to the International Court of Justice is
    • R.S. Pathak
    • M.C. Chagla
    • Dalveer Bhandari
    • B.P.J. Reddy

  96. Balaprobodini Sanskrit Patasala was founded by
    • T.K. Madhavan
    • C. Krishnan
    • K. Neelakantan Namboothiripad
    • Pandit K.P. Karuppan

  97. The Director of the film Padmaavat is
    • Ranveer Singh
    • Prakash Kapadia
    • Deepika Padukone
    • S.L. Bhansali

  98. Ananda Mahasabha was founded by
    • Sivayogi
    • Kerala Varma Valiyakoyi Thampuran
    • V.T. Bhattathirippad
    • D. Vagbhadananda

  99. The present Chairman of ISRO is
    • K. Radhakrishnan
    • A.S. Kiran Kumar
    • K. Sivan
    • A.K. Singh

  100. INS Viraat was decommissioned on
    • 6, January 2018
    • 6, March 2017
    • 6, March 2016
    • 8, January 2018

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