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PADASALAI’S SPECIAL - CENTUM COACHING TEAM

Question Paper (2017 – 2018)

COMPUTER SCIENCE

(Vocational Component under General Stream)

Time: 3 hours Max. Marks: 150

Choose the correct answer: 75 x 1 =75

1. Which bar gives the information about the current mode?

a. status b. menu

c. formula d. tool

2. To remove the highlighting, select the text and select the............option from the colour palette.

a. Fill b. No Fill

c. No colour d. Colour

3. In a numbered list if one adds or deletes an item, it automatically

a. renumbers b. arranges

c. sorts d. aligns

4. An error and its correction is added to............ option.

a. Auto correct b. Auto display

c. Auto format d. Auto list

5. How can we change rows / column width?

a. hold down Ctrl + left / right arrow b. hold down Alt + left / right arrow

c. hold down Ctrl + up / down arrow d. hold down Alt + up / down arrow

6. Which toolbar appears when View --> Insert is selected from the menu bar?

a. standard b. formatting

c. floating d. table

7. Which lists a list of options in the Header/Footer tab?

a. Field b. Submenu

c. Page style d. Insert

8. How many methods are available to change the margins?

a. 4 b. 3 c. 2 d. 1

9. . In order to shift the content of a cell to the right and to create an empty cell, select the cell and a click is

made on..........

a. Insert cells Right icon b. Insert cells Down icon

c. Insert Rows icon d. Insert Columns icon

10. Which command is used to remove the print range setting?

a. Format --> Print Range b. Format --> Delete

c. Format --> Print Range --> Delete d. Format --> Print Range --> Set

11. . The icon used to insert special characters is..........

a. Insert Rows icon b. Insert Pictures icon

c. Insert special character icon d. Insert Right icon

12. . How many icons appear in the floating tool bar?

a. 6 b. 7 c. 5 d. 3

13. Which company has introduced 'quattro pro'?

a. AT & T Corporation b. Sun Micro Systems

c. Borland International d. Microsoft International

14. Cells A2, B2, C2, D2 and E2 are called............

a. A2-E2 b. A2/E2 c. A2:E2 d. A2 = E2

15. Graphic representations of numbers are known as.............

a. charts b. graphs c. bar diagrams d. cells

16. In the case of editing a record, the record is first selected by clicking on the...........

a. record key b. record pointer

c. record button d. primary key

17. . ...............are grouped by object oriented database.

a. Characteristics, color & size b. Characteristics, attributes & procedures

c. Characteristics attributes & quantity d. Characteristics, attributes & graphics



18. . By pressing..........key we can move to next column

a. Shift b. Insert c. Tab d. Enter

19. A report is printed using...........

a. input b. data c. query d. form

20. Human beings are likely to make...........errors in data processing.

a. instrument & parallax b. computational & parallax

c. instrumental & parallax d. random & systematic

21. ..................is selected by the user to customize a report.

a. Format & Create for the report b. Format & Style for the report

c. Alignment & Style for the report d. Alignment & Sort for the report

22. Designing a form using the Autopilot option is similar to create a query using.............

a. FormNew Autopilot b. NewForm Autopilot

c. Autopilot New Create d. NewCreate Autopilot.

23. A screen of fields in a well spaced manner is called...........

a. report b. query c. table d. form

24. In order to execute the queries click or the + sign to the...........

a. right of Query b. left of Query in the Explorer window

c. right of Query in the Explorer window d. none of the above

25. In 3-D image, after animation is created adding special effects are called as........and.........

a. morphing, warping b. modeling, warping

c. rendering, morphing d. modeling, rendering

26. . ................and............are the output devices used in creating simulation.

a. Headphone, goggles b. Headphone, Monitor

c. Monitor, Goggles d. All the above

27. The volume is the height of each............in the wave.

a. crest b. cycle c. time d. pitch

28. . .....compression provides a comparatively higher ratio of compression but results in some loss of quality.

a. Lossless b. Lossy c. Jerky d. Murky

29. A............file uses a much more complex technique.

a. JPG b. JPEG c. GIF d. BMP

30. The current playback position in the file is indicated on the.......... slider.

a. right b. left c. center d. top

31. In custom animation window, there are..........tabs.

a. 4 b. 3 c. 2 d. 1

32. The styles outline........, through outline..........enables us to give the outlined headings and topics on our

slides a uniform look.

a. 1, 9 b. 1, 8 c. 1, 7 d. 1, 6

33. We can print the current document by clicking the..........icon in the function bar.

a. print directly b. print file directly c. print folder directly d. print

34. The slide layout called..........is suitable.

a. "Title / Text" b. "Text, Top" c. "Top, Title" d. "Title, Title"

35. What are the data when calculator is an object in OOP's language?..............

a. result, operator b. subtraction c. display result d. erase memory

36. The function..............is defined to draw a circle.

a. Draw (side) b. Draw (radius) c. Draw (angle) d. Draw (length)

37. ..................storage class global variable known to all functions in the current program.

a. Auto b. Static c. Extern d. Register

38. int x; x =7/3; what is the value stored in x?..............

a. 2 b. 2.5 c. 3.6 d. 3.0

39. Which alphabetic letter is used to represent the floating point constant in exponent form..............

a. A or a b. E or e c. F or f d. B or b

40. What will be the value stored in C when a = 20, b = 20, c = (a < b)? a * a: b%a; ..............

a. 0 b. 400 c. 40 d. 20

41. What are shift operators?..............

a. << b. >> c. > d. both (a) and (b)



42. The header file can be given by using a preprocessor directive starts with............

a. # b. $ c. / d. %

43. The operator............is called the insertion operator or put to operator.

a. >> b. << c. > d. <

44. Switch expression should be evaluated to an............constant only.

a. integer b. string c. variable d. float

45. cin is a predefined object which corresponds to a standard............stream.

a. input b. output c. process d. 10

46. . ................are the building blocks of C++ programs.

a. Functions b. If-else c. For d. Switch

47. The ..............reveals the hidden scope of a variable.

a. scope operator b. % c. * d. ++

48. . ................of variables declared within a function is extended to the function block and all sub-blocks

therein.

a. Function scope b. Local scope c. File scope d. Class scope

49. Rearranging the data given in array either in ascending or descending order is called..........

a. merging b. sorting c. ascend d. descend

50. All member functions of a class, should be accessed through an.............. of class.

a. object b. instance c. a and b d. function

51. Number [3] ++; in this array processing which increments the value stored as.............. element by 1.

a. fourth b. fifth c. third d. second

52. . .................parameters are required for write function.

a. Two b. Three c. Four d. Five

53. Each element of the array is accessed by the ..............name and position of the element in the array.

a. array b. variable c. dimensional d. subscript

54. cin>> number [4]; In this array processing which reads the..............element.

a. fourth b. fifth c. first d. third

55. Which of the following is true?..............

a. Member functions can be defined outside the class also

b. Member functions cannot be defined out side the class

c. Member functions must all have same name

d. A class cannot have more than three member functions

56. The lifetime of a static member variable is same as..............

a. the first object of its class. b. the private of variable of any object

c. the public variable of any object d. lifetime of the program

57. class example { int x, y, z; float m, n; } p[4]; By the above code how many objects of the class example

are created?

a. 3 b. 4 c. 5 d. 1

58. Which of the following operator can be overloaded?..............

a. sizeof() b. :: c. membership operator (.) d. plus(+)

59. While invoking functions, if the C++ compiler does not find the exact match of the function call

statement then..............

a. it will ignore the function call b. generates an error

c. deletes the function d. looks for the next nearest match

60. Strcat() function is used for............. a. string concatenation b. string comparision c. string calculation d.

substring

61. Giving additional functionality to the normal C++ operators like +, ++, -, --, + = is referred to as..............

a. Inheritance b. Prototype c. Operator overloading d. Function overloading

62. When a class object goes out of scope, the function that gets executed is..............

a. Destructor b. Constructor c. Inline d. Friend

63. Which of the following do not return any value?..............

a. Member functions b. Inline functions c. Friend functions d. Constructor and destructor

64. Which one of the following is automatically executed when an object is created?...........

a. Constructor b. Destructor c. Member function d. None of the given



65. Class xclass : public yclass From the above statement which of the following is true?.............

a. class is the base class b. yclass is the base class

c. Yclass is derived from x class d. yclass is the derived class

66. The class from which derived class is created is called..............

a. Base class b. Power class c. Superior class d. Family class

67. The default visibility mode while inheriting members of a base class is..............

a. private b. protected c. public d. extended public

68. A destructor name must be.............

a. same as class name b. Same as any other member function name

c. same as class name prefixed by tilde (~) character d. none of the given

69. . Interactive table cloth and Ceramic audio player are found in..............of a computerized home.

a. Kitchen b. Bed room c. Bath room d. Dining room

70. . .................are the small compartments with a screen, speaker, and a scent to derive emotional comfort.

a. Archive unit b. Picture phone c. Emotion container d. Book shelf

71. . ....................refers to conversion of non-digital material to digital form.

a. Transcription b. Data transfer c. Digitization d. None of the given

72. The facility that allows the user to speak into special device called..............and then convert the speech

into a letter.

a. Microphone b. Gramaphone c. Dictaphone d. Auto phone

73. . ............is a set of rules for determining moral standards or socially acceptable behavior.

a. Standard b. Ethics c. Protocol d. None of the given

74. Computer ethics has its roots in the work of...........during World War II.

a. Charles Babbage b. Blaise Pascal c. Norbert Wiener d. Hermen Horllerith

75. The File --> New -->............ command can be used to open a new document.

a. Database b. Untitled1

c. Text document d. Document1

PART-II

Answer any twenty questions. 20 x 2 =40

76. What is the difference between hard formatting and soft formatting?

77. How will you insert topic or Page number in the Header or Footer ?

78. What are the spread sheet software available?

79. How will you view or modify the table design?

80. What is report ?

81. Write the importance of MIDI?

82. What do you mean by video compression? What are the types?

83. How to change the slide background?

84. What is meant by “Rehearse Timings”?

85. Define 3-D formula.

86. How is polymorphism different from inheritance?

87. What is the use of the operators related to pointer variable?

88. Write any four Punctuators in c ++ and write a line about them.

89. Find the output of the following code

#include<iostream.h>

#include<conio.h>

void main()

{

Int z,x=3,y=2;

z= --x + y++;

cout<<z;

getch();

}



90. What is the different between if…else and switch statement?

91. What is the main purpose of function prototype?

92. What is array of strings? Give example?

93. Give the syntax for strcmp( ) & its uses?

94. Write short notes on memory allocation of objects?

95. Write a note on array of objects in C++?

96. How are functions invoked in function overloading?

97. What are the types of constructor?

98. What is an abstract class?

99. What is Tele-Medicine?

100. What are the benefits of data digitization?

PART-III

Answer any seven questions in five to ten sentences each 7 x 5 =35

101. What are the formatting changes that can be made with respect to the fonts?

102. Explain the process of changing margin.

103. Explain the procedure for Inserting a Picture or a Special character in a worksheet.

104. What are the various icons in the Insert Object floating tool bar? Mention their functions

105. What are the advantages of Electronic computerized Data processing?

106. Explain the ‘Nested.. if’ statement with an example in C++?

107. What is inline function? How it can be used?

108. What is the advantage of operator overloading?

109. Predict the output 110. Debug the following program.




#include<conio.h>

class add

{

int num1,num2,sum;

public:

add()

{

cout<<”constructor without parameters”;

num1=20,num2=50,sum=0;

}

add(int x, int y)

{

cout<<”parameterized constructor”;

num1= x;

num2=y;

sum=null;

}

add(add &a)

{

cout<<”copy constructor…”;

num1=a.num1;

num2=a.num2;

sum=null;

}

void getdata()

{

cout<<”enter data….”;

cin>>num1>>num2;

}

void addition()

{

sum=num1+num2;

}

void putdata()

{

cout<<”\nthe numbers are..”;

cout<<num1<<’\t’<<num2;

cout<<”\n the sum of the numbers are..”<<sum;

}

};

void main()

{

add a,b(50,60),c(b);

a.getdata();

a.addtion();

b.addition();

c.addition();

cout<<”\n object a:”;

a.putdata();

cout<<”\n object b”;

b.putdata();

cout<<”\n object c”;

c.putdata();

}


class A

{

private: int a1;

public:

int a2;

protected:

int a3;

};

class B:public A

{

public:

void func();

{

int b1,b2,b3;

b1=a1;

b2=a2;

b3=a3;

}

}:

void main();

{

B der;

der.a3=0;

der.fun();

}



Created by:

R Muthukumaran MCA., B.ed..Msc(Maths)

PG Asst in Computer Science

Santa clara convent girls hr. sec school

k.manaveli

puducherry 605501

mobile no:9600120950

Answer Scripts send to this address: R Muthukumaran MCA., B.ed..Msc(Maths) NO 135, Vinayagar Kovil St, Eraiyur Vil &Post, Vanur TK, Villupuram Dt. Cell No: 9600120950.

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