An array is a series of elements of the same type placed in contiguous memory locations that can be individually referenced by adding an index to a unique identifier

An array is a series of elements of the different type placed in contiguous memory locations that can be individually referenced by adding an index to a unique.

An array is a series of elements of the same type placed in contiguous memory locations that can be individually referenced by multiplying an index to a unique identifier

An array is a series of elements of the same type placed in contiguous memory locations that can be individually referenced by adding an index to a same identifier.

Ends current line and starts a new line in cout statement

Ends the execution of program where it is written

Ends the output in cout statement

Ends the line in program. There can be no statements after endl

Programmaing Languages and Technologies

Question 1

Question

1. Specify the types of operator

Answer

Logical, Bitwise, Arithmetic, Relational
Mathematical, Bitwise, Arithmetic, Relational
Assignment, Bitwise, Arithmetic, Relational
Logical, Bitwise, Assignment, Relational

Question 2

Question

2. Logical operators always evaluated from

Answer

Left to right
No difference
Not sure
Right to left

Question 3

Question

3. When an equation uses more than one type of operator then the order of precedence has to be established with the different types of operators:

Answer

Arithmetic, comparison, logical
Comparison, logical, arithmetic
Logical, arithmetic, comparison
Arithmetic, logical, comparison

Question 4

Question

4. Precedence for Logical Operators

Answer

NOT, AND, OR
OR, AND, NOT
OR, NOT, AND
AND, OR, NOT

Question 5

Question

5. What is an array?

Answer

An array is a series of elements of the different type placed in contiguous memory locations that can be individually referenced by adding an index to a unique.
An array is a series of elements of the same type placed in contiguous memory locations that can be individually referenced by multiplying an index to a unique identifier
An array is a series of elements of the same type placed in contiguous memory locations that can be individually referenced by adding an index to a unique identifier
An array is a series of elements of the same type placed in contiguous memory locations that can be individually referenced by adding an index to a same identifier.

Question 6

Question

6. When an array is partially initialized, the rest of its elements will automatically be set to zero

Answer

False
True
Nothing
All of them

Question 7

Question

7. The whole array can be passed to a function. However, it can't be changed by the code in that function

Answer

False
All of them
Nothing
True

Question 8

Question

8. What are the three steps in using a function?

Answer

Definition, prototype, invocation
Prototype, argument, signature
Definition, invocation, argument

Question 9

Question

9. write mpg() function prototype, that takes two type double arguments and returns a double

Answer

Double mpg(double a, double b)
Void mpg(){}
Float mpg(int a){ float b = 1; return b;}
Double mpg(int a, double b)

Question 10

Question

10. What is data structure?

Answer

is a group of data elements grouped together under one name
is a group of data elements grouped together under two names.
is a set of some elements grouped together under value
is a group of data elements together with some name.

Question 11

Question

11. The data elements in structure are also known as what?

Answer

Members
Data
Objects
None of the above

Question 12

Question

12. What will be used when terminating a structure?

Answer

Semicolon
Colon
Brackets
Dot

Question 13

Question

13. Which stream class is used to both read and write on files?

Answer

Fstream
Iostream
Ofstream
Ifstream

Question 14

Question

14. Which stream class is only used to read files

Answer

Ifstream
Ofstream
Iostream
Fstream

Question 15

Question

15. What is the difference between array and structure?

Answer

Structure can include members of different data types
No difference
Only on their declaration
Arrays can include only integers

Question 16

Question

16. What is the output from the following program code?

Image:

15 (binary/octet-stream)

Answer

10 10 10 10 10
11 11 11 11 11
10
0 1 2 3 4
Error

Question 17

Question

17. The OR (||) operator:

Answer

Stops evaluation upon finding one condition to be true
Has higher precedence that AND (&&) operator
True if all conditions are true
Associates from right to left

Question 18

Question

18. Which of the following for headers is not valid for C++ code?

Answer

for (integer i =0; j<10; i++);
for (int i = 0; i<9; i++)
for (int i = 0; i<8; i++)
for (int i = 0; i<7; i++)
all

Question 19

Question

19. There might be functions with the same name, but different arguments. The function called is the one whose arguments match the invocation. What is this mean?

Answer

Function overloading
Function overprocessing
Argument type error
Argument dispatch error

Question 20

Question

20. Which of the following cannot be used to create a random numbers?

Answer

structures
float
int
none of the mentioned

Question 21

Question

21. Please evaluate !(1 && !(0 || 1)).

Answer

True
False
Unevaluatable
Not sure

Question 22

Question

22. What is the final value of x when the code int x; for(x=0; x<50; x++) {} is run?

Answer

Question 23

Question

23. How many times is a do while loop guaranteed to loop?

Answer

0
Infinitely
1
Variable

Question 24

Question

24. What is the output of the following code?

Image:

23 (binary/octet-stream)

Answer

value
77.5
Float
Variable

Question 25

Question

25. Which of the following is a valid function call (assuming the function exists)?

Answer

funct;
funct x, y;
funct();
struct funct();

Question 26

Question

26. Which of the following is a complete function?

Answer

int funct();
int funct(int x) {return x=x+1;}
void funct[int] {cout&tl;<"Hello"}
void funct{x} {cout<<"Hello"}

Question 27

Question

27. Which of the following is required to avoid falling through from one case to the next?

Answer

End;
Break;
Stop;
A semicolon;

Question 28

Question

28. Which of the following is the proper declaration of a pointer?

Answer

int x;
int &x;
ptr x;
int *x;

Question 29

Question

29. Which of the following gives the memory address of integer variable a?

Answer

*a;
a;
&a;
address(a);

Question 30

Question

30. Which of the following gives the memory address of a pointer a?

Answer

a;
*a;
&a;
address(a);

Question 31

Question

31. Which of the following gives the value stored at the address pointed to by the pointer a?

Answer

a;
val(a);
*a;
&a;

Question 32

Question

32. Which of the following gives the value stored at the address pointed to by the pointer ptr?

Answer

ptr;
val(ptr);
*ptr;
&ptr;

Question 33

Question

33. Which of the following accesses a variable in structure b?

Answer

b->var;
b.var;
b-var;
b>var;

Question 34

Question

34. Which of the following accesses a variable in structure mystruct?

Answer

mystruct ->var;
mystruct.var;
mystruct -var;
mystruct >var;

Question 35

Question

35. Which of the following correctly accesses the seventh element stored in diana, an array with 100 elements?

Answer

diana[6]
diana[7]
diana(7)
diana;

Question 36

Question

36. What is the correct way to write the condition y < x < z?

Answer

((y < x) && (x < z))
((y < x) || (x < z))
((y < x) & (x < z))
((y < x) AN (x < z))

Question 37

Question

37. The value 132.54 can represented using which data type?

Answer

Double
Void
Integer
Bool

Question 38

Question

38. In an assignment statement “ a=b; ” which of the following statement is true?

Answer

The variable a and the variable b are equal.
The value of b is assigned to variable a but the later changes on variable b will not effect the value of variable
The value of variable a is assigned to variable b and the value of variable b is assigned to variable a.

Question 39

Question

39. The difference between while structure and do structure for looping is

Answer

In while statement the condition is tested at the end of first iteration
In do structure the condition is tested at the beginning of first iteration
The do structure decides whether to start the loop code or not whereas while statement decides whether to repeat the code or not
In while structure condition is tested before executing statements inside loop whereas in do structure condition is tested before repeating the statements inside loop

Question 40

Question

40. A function that calls itself for its processing is known as

Answer

Inline Function
Nested Function
Overloaded Function
Recursive Function

Question 41

Question

41. The keyword endl

Answer

Ends the execution of program where it is written
Ends the output in cout statement
Ends the line in program. There can be no statements after endl
Ends current line and starts a new line in cout statement

Question 42

Question

42. Strings are character arrays. The last index of it contains the nullterminated character

Answer

Question 43

Question

43. Variables inside parenthesis of functions declarations have _____ level access

Answer

Local
Global
Module
Universal

Question 44

Question

44. Array indexing always starts with the number

Answer

0
1
-1
10

Question 45

Question

45. Which of the following accesses a variable in structure st1?

Answer

st1->var;
st1.var;
st1-var;
st1>var;

Question 46

Question

46. Which looping process is best used when the number of iterations is known?

Answer

For
While
Do-while
Nothing

Question 47

Question

47. If there is more than one statement in the block of a for loop, which of the following must be placed at the beginning and the ending of the loop block?

Answer

parentheses ( )
braces { }
brackets [ ]
arrows < >

Question 48

Question

48. A memory address is…

Answer

where a variable is stored.
where a variable is defined.
where a variable is declares.
where a variable is print out.

Question 49

Question

49. The set of instructions that a computer will follow is known as..

Answer

program
variable
computer
brackets

Question 50

Question

50. cin >> number; is

Answer

an output statement
a colon
a variable
an input statement

Question 51

Question

51. cout << "How many items would you want?\n"; is

Answer

an output statement
a colon
a variable
an input statement

Question 52

Question

52. int number; is

Answer

an output statement
a variable declaration
a variable
an input statement

Question 53

Question

53. If x is 0, what is the value of (!x == 0)?

Answer

True
False
2
15

Question 54

Question

54. How to create array with n integers?

Answer

int n; cin >> n; int a = new# int[n];
int n; cin >> n; int& a; a = new int[n];
int n; cin >> n; int* a; a = new int[n];
int n; cin >> n; int a; a = new% int[n];

Question 55

Question

55. Which class should be included to work with files?

Answer

iostream
string
cmath
fstream

Question 56

Question

56. Which of the following is the output from the following C++ code?

Image:

55 (binary/octet-stream)

Answer

15 14 13 12 11 10
15 14 13 12 11 10 9
9
15

Question 57

Question

57. If originally x=0, y=1, and z=3, what is the value of x, y, and z after executing the following code ?

Image:

57 (binary/octet-stream)

Answer

x=0 y=3 z=3
x=0 y=1 z=3
x=3 y=3 z=3
x=3 y=1 z=0

Question 58

Question

58. What is the value of x after the following statements?

Image:

58 (binary/octet-stream)

Answer

Question 59

Question

59. What is the value of x after the following statements?

Image:

59 (binary/octet-stream)

Answer

Question 60

Question

60. Which of the following is the output from the following C++?

Image:

60 (binary/octet-stream)

Answer

Question 61

Question

61. Given the following code fragment, what is the final value of y?

Image:

61 (binary/octet-stream)

Answer

Question 62

Question

62. Which of the following is the output from the following C++ code

Image:

62 (binary/octet-stream)

Answer

Question 63

Question

64. Which of the following is the final value of y from the following C++ code

Image:

64 (binary/octet-stream)

Answer

Question 64

Question

63. Which of the following is the output from the following C++ code?

Image:

63 (binary/octet-stream)

Answer

Question 65

Question

65. Which of the following is the final value of ‘i’ from the following C++ code ?

Image:

65 (binary/octet-stream)

Answer

5
4
0 1 2 3 4
0 1 2 3 4 5

Question 66

Question

66. What is the value of x after the following code executes?

Image:

66 (binary/octet-stream)

Answer

Question 67

Question

67. Given the following code, what is the final value of i?

Image:

67 (binary/octet-stream)

Answer

Question 68

Question

68. What is the value of x after the following code executes?

Image:

68 (binary/octet-stream)

Answer

Question 69

Question

69. What is the output of the following code segment?

Image:

69 (binary/octet-stream)

Answer

Question 70

Question

70. What does the following code print to the screen?

Image:

70 (binary/octet-stream)

Answer

7
cout
int
world

Question 71

Question

71. What is the value of x after the following statements?

Image:

71 (binary/octet-stream)

Answer

Question 72

Question

72. What is the value of x after the following statements?

Image:

72 (binary/octet-stream)

Answer

Question 73

Question

73. What is the value of x after the following code executes?

Image:

73 (binary/octet-stream)

Answer

Question 74

Question

74. Given the following code, what is the final value of i?

Image:

74 (binary/octet-stream)

Answer

Question 75

Question

75. Given the following code, what is the final value of i?

Image:

75 (binary/octet-stream)

Answer

Question 76

Question

76. Which of the following is the valid array declaration

Answer

int num(5)
int mycat[5]
Array. double[5] marks
Myarray.counter int[5]

Question 77

Question

77. What is the output of the following code?

Image:

77 (binary/octet-stream)

Answer

7
Value
1
6

Question 78

Question

78. What is the value of x after the following statements ?

Image:

78 (binary/octet-stream)

Answer

Question 79

Question

79. What is the final output of the following code fragment ?

Image:

79 (binary/octet-stream)

Answer

Question 80

Question

80. Solve the following piece of code and choose the best answer?

Image:

80 (binary/octet-stream)

Answer

The function addition is called by passing the values
The function addition is called by passing reference
Both of above
None of above

Question 81

Question

81. If the type specifies of parameters of a function is followed by an ampersand &, that function call is…

Answer

Pass by value
Pass by reference
All of answers
None of answers

Question 82

Question

82. Which of the following gives the memory address of a pointer pt1?

Answer

*pt1;
pt1;
&pt1;
address(ptr1);

Question 83

Question

83. What is the value of x after the following statement?

Image:

83 (binary/octet-stream)

Answer

1.75
50
30
20

Question 84

Question

84. What is the final value of x after the following fragment of codeexecutes ?

Image:

84 (binary/octet-stream)

Answer

Infinite loop
Never
1
0

Question 85

Question

85. What is the value of x after the following statement?

Image:

85 (binary/octet-stream)

Answer

3.75
1.75
2
0

Question 86

Question

86. What is the value of x after the following statements ?

Image:

86 (binary/octet-stream)

Answer

Question 87

Question

87. What is the value of x after the following statements?

Image:

87 (binary/octet-stream)

Answer

Question 88

Question

88. Given the following code fragment, what is the output

Image:

88 (binary/octet-stream)

Answer

5
That is all. Goodbye
X is bigger than 5
X

Question 89

Question

89. How many times is "Hi" printed to the screen ?

Image:

89 (binary/octet-stream)

Answer

Question 90

Question

90. How to read file and take first string?

Answer

File should be created before running the code : “input.txt” .

Image:
90 1 (binary/octet-stream)
No need to create file before running the code, code will create it by itself.

Image:
90 2 (binary/octet-stream)
File should be created before running the code: “input.txt” .

Image:
90 3 (binary/octet-stream)
No need to create file before running the code, code will create it by itself .

Image:
90 4 (binary/octet-stream)

Question 91

Question

91. How to write to file?

Answer

File should be created before running the code: “output.txt” .

Image:
91 1 (binary/octet-stream)
No need to create file before running the code, code will create it by itself .

Image:
91 2 (binary/octet-stream)
File should be created before running the code: “output.txt” .

Image:
91 3 (binary/octet-stream)
No need to create file before running the code, code will create it by itself

Image:
91 4 (binary/octet-stream)

Question 92

Question

92. There is given array with n elements, created as pointer. How to remove it correctly?

Image:

92 (binary/octet-stream)

Answer

delete a;
delete[] a;
remove[] a;
remove a;

Question 93

Question

93. How to write correct recursive function for making sum of n numbers?

Answer

Question 94

Question

94. How to make several items in structure? Just think that you have “HOME”, and n items in it

Image:

94 (binary/octet-stream)

Answer

Question 95

Question

95. Find mistake of next cod ?

Image:

95 (binary/octet-stream)

Answer

No mistakes, it will just read from file and print first string in command line
Mistake in opening file, should be: file.open(“input.txt”);
It should write in other file; it can’t write directly to command line.
It should read from read from file, when we want to write in command line.

Question 96

Question

96. What will print in command line next code ?

Image:

96 (binary/octet-stream)

Answer

Read first string from file “input.txt”, and print it in command line.
It will give an error, because, file should read in this way: file.open(“input.txt”);
It won’t print anything.
Read all lines and print it in new file.

Question 97

Question

97. Which one will be correct function for ?

Answer

Question 98

Question

98. There are given array “numbers” with 10 numbers. How to make sum of all numbers, which are located in odd indexes?

Answer

Question 99

Question

99. There is given string named “str”. How to print in command line length of str?

Answer

cout << str.count();
cout << str.length;
cout << str.lenth();
cout >> str.lenth();

Question 100

Question

100. How to implement array of chars with 10 elements?

Answer

char* chs; chs = new char(10);
char chs; chs = char[10];
char chs[10];
char chs[] = new char[10];

Question 101

Question

101. How to implement array of integer numbers with n elements, and how to delete them correctly?

Answer

int n; cin >> n; int* a; a = new% int[n]; delete[] a;
int n; cin >> n; int& a; a = new int[n]; delete[] a;
int n; cin >> n; int* a; a = new@ int[n]; delete[n] a;
int n; cin >> n; int* a; a = new& int[n]; for(int i=0; i<n; i++) delete a;

Question 102

Question

102. How to get whole string in one line (in command line)?

Answer

string s; getline(cin, s);
string s; getline(cout, s);
string s; cin >> s;
string s; cout << s;

Question 103

Question

103. How to get whole string in one line (in file)?

Answer

ifstream file; string s; getline(file, s);
ifstream file; string s; getline(cin, s);
ifstream file; string s; getline(cout, s);
ifstream file; string s; file >> s;

Question 104

Question

104. Why do we need library?

Answer

To work with strings.
To work with files.
To work with mathematical functions.
To work with our own libraries.

Question 105

Question

105. Why do we need library <cmath>?

Answer

To work with strings.
To work with mathematical functions.
To work with command line.
To work with our own libraries.

Question 106

Question

106. Where is the mistake of the code ?

Image:

106 (binary/octet-stream)

Answer

Variable “a” do not have any values.
Library didn’t included.
Library didn’t included.
Library didn’t included

Question 107

Question

107. What will be printed in the part of the cod?

Image:

107 (binary/octet-stream)

Answer

1 4 7 10
0 3 6 9
3 6 9
9 6 3 0

Question 108

Question

108. What will be printed in the part of the code?

Image:

108 (binary/octet-stream)

Answer

0 8 16 24 32
2 10 18 26 34
6 12 20 28 36
4 10 18 26 34

Question 109

Question

109. Which of the following is the proper keyword to allocate memory?

Answer

new
malloc
create
value

Question 110

Question

110. Which of the following is the proper keyword to deallocate memory?

Answer

free
delete
clear
remove

Question 111

Question

111. Assume if A = 10; and B = 15; with using bitwise OR operator Find A||B

Answer

Question 112

Question

112. The notation of logical NOT operator in a C++ program is

Answer

!
:
;
None of above

Question 113

Question

113. Which of the following denote C++ looping statement?

Answer

All of them
for
while
do-while

Question 114

Question

Cin in C++ program uses the operator

Answer

Question 115

Question

What is the minimum number of times a do loop would definitely get executed?

Answer

1
inf
0
None of the above

Question 116

Question

The function named as exforsys declared as int exforsys(float x, double y) has return type as

Answer

int
char
double
string

Question 117

Question

Which of the following is mandatory for all C++ program?

Answer

main()
void()
system()
None of the above

Question 118

Question

Which of the following denote newline character in C++ program?

Answer

“\n”
end
“/n”
enl

Question 119

Question

Which of the following is used to group a set of objects and functions under a name?

Answer

namespace
name
namearea
areaname

Question 120

Question

What is the notation used to place block of statements in a looping structure in C++?

Answer

Question 121

Question

What is the notation used show the size of array?

Answer

Question 122

Question

How many values can be returned by a C++ function?

Answer

1
Inf
0
None of the above

Question 123

Question

123. Which of the following is returned by the system if a C++ program completes successfully?

Answer

0
1
-1
Inf

Question 124

Question

124. The variables that can be used only within the function in which it is declared is called as

Answer

local
global
both of them
none of them

Question 125

Question

125. Comments in C++ program is written by using

Answer

//
--
<!-->
<>

Question 126

Question

126. The array exforsys[10] can be declared using pointers as

Answer

* exforsys[ ]
exforsys[ ]
$exforsys[ ]
&exforsys[ ]

Question 127

Question

127. Default size of int in c++ (in bytes)

Answer

Question 128

Question

128. Default size of double in c++ (in bytes)

Answer

Question 129

Question

129. Default value of boolean

Answer

false
true

Question 130

Question

130. If a function in C++ does not return a value then its return type is denoted as

Answer

void
int
double
bool

Question 131

Question

131. A user defined header file is included by following statement in general.

Answer

#include "file.h"
#include <file.h>
#include file.h
#include <file>

Question 132

Question

132. An inline function can execute faster than a normal function.

Answer

True
False

Question 133

Question

133. What value must a destructor return?

Answer

Destructors do not return a value.
A pointer to the class.
An object of the class.
A status code determining whether the class was destructed correctly

Question 134

Question

134. What character ends all strings?

Answer

‘\o’
‘\n’
‘’
‘.’

Question 135

Question

135. Which of the following reads in a string named x with one hundred characters?

Answer

cin.getline(x, 100, '\n');
cin.getline(100, x, '\n');
readline(x, 100, '\n');
read(x);

Question 136

Question

136. Which of the following functions compares two strings?

Answer

strcmp();
cmp();
stringcompare();
compare();

Question 137

Question

137. Which of the following adds one string to the end of another?

Answer

strcat();
append();
stradd();
stringadd();

Question 138

Question

138. Which of the following correctly declares an array?

Answer

int anarray[10];
int anarray;
anarray{10};
array anarray[10];

Question 139

Question

139. What is the index number of the last element of an array with 29 elements?

Answer

Question 140

Question

140. Which of the following is a two-dimensional array?

Answer

int anarray[20][20];
array anarray[20][20];
int array[20, 20];
char array[20];

Question 141

Question

141. Which of the following correctly accesses the seventh element stored in foo, an array with 100 elements?

Answer

foo[6]
foo[7]
foo(6)
foo

Question 142

Question

142. Which of the following accesses a variable in structure b?

Answer

b.var
b->var
b-var
b>var

Question 143

Question

143. Which of the following accesses a variable in structure *b?

Answer

b->var
b.var
b-var
b>var

Question 144

Question

144. Which of the following is a properly defined struct?

Answer

struct a_struct {int a;};
struct a_struct {int a;}
struct {int a;}
struct a_struct int a;

Question 145

Question

145. Which properly declares a variable of struct foo?

Answer

foo var
struct foo
foo
int foo

Question 146

Question

146. Which of the following is the proper declaration of a pointer?

Answer

int *x;
int &x;
ptr x;
int x;

Question 147

Question

147. Which of the following gives the memory address of integer variable a?

Answer

&a;
*a;
address(a);
a;

Question 148

Question

148. Which of the following gives the value stored at the address pointed to by the pointer a?

Answer

*a;
&a;
a;
val(a);

Question 149

Question

149. Which of the following is the proper keyword to allocate memory?

Answer

new
malloc
create
value

Question 150

Question

150. Which of the following is the proper keyword to deallocate memory?

Answer

delete
clear
remove
free

Question 151

Question

151. What is the notation used to place block of statements in a looping structure in C++?

Answer

Question 152

Question

152. What is the notation used show the size of array?

Answer

Question 153

Question

153. How many values can be returned by a C++ function?

Answer

1
Inf
0
None of the above

Question 154

Question

154. Which of the following is returned by the system if a C++ program completes successfully?

Answer

0
1
-1
Inf

Question 155

Question

155. The variables that can be used only within the function in which it is declared is called as

Answer

local
global
both of them
none of them

Question 156

Question

156. Comments in C++ program is written by using

Answer

//
--
<!-->
<>

Question 157

Question

157. The array exforsys[10] can be declared using pointers as

Answer

* exforsys[ ]
exforsys[ ]
$exforsys[ ]
&exforsys[ ]

Question 158

Question

158. Default size of int in c++ (in bytes)

Answer

Question 159

Question

159. Default size of double in c++ (in bytes)

Answer

Question 160

Question

160. Default value of boolean

Answer

false
true

Question 161

Question

161. If a function in C++ does not return a value then its return type is denoted as

Answer

void
int
double
bool

Question 162

Question

162. A user defined header file is included by following statement in general.

Answer

#include “file.h”
#include <file.h>
#include file.h
#include <file>

Question 163

Question

163. An inline function can execute faster than a normal function.

Answer

True
False

Question 164

Question

164. What value must a destructor return?

Answer

Destructors do not return a value.
A pointer to the class.
An object of the class.
A status code determining whether the class was destructed correctly

Question 165

Question

165. What character ends all strings?

Answer

‘\o’
‘\n’
‘’
‘.’

Question 166

Question

166. Which of the following reads in a string named x with one hundred characters?

Answer

cin.getline(x, 100, '\n');
cin.getline(100, x, '\n');
readline(x, 100, '\n');
read(x);

Question 167

Question

167. Which of the following functions compares two strings?

Answer

strcmp();
cmp();
stringcompare();
compare();

Question 168

Question

168. Which of the following adds one string to the end of another?

Answer

strcat();
append();
stradd();
stringadd();

Question 169

Question

169. Which of the following correctly declares an array?

Answer

int anarray[10];
int anarray;
anarray{10};
array anarray[10];

Question 170

Question

170. What is the index number of the last element of an array with 29 elements?

Answer

Question 171

Question

171. Which of the following is a two-dimensional array?

Answer

int anarray[20][20];
array anarray[20][20];
int array[20, 20];
char array[20];

Question 172

Question

172. Which of the following correctly accesses the seventh element stored in foo, an array with 100 elements?

Answer

foo[6]
foo[7]
foo(6)
foo

Question 173

Question

173. Which of the following accesses a variable in structure b?

Answer

b.var
b->var
b-var
b>var

Question 174

Question

174. Which of the following accesses a variable in structure *b?

Answer

b->var
b.var
b-var
b>var

Question 175

Question

175. Which of the following is a properly defined struct?

Answer

struct a_struct {int a;};
struct a_struct {int a;}
struct {int a;}
struct a_struct int a;

Question 176

Question

176. Which properly declares a variable of struct foo?

Answer

foo var
struct foo
foo
int foo

Question 177

Question

177. Which of the following is the proper declaration of a pointer?

Answer

int *x;
int &x;
ptr x;
int x;

Question 178

Question

178. Which of the following gives the memory address of integer variable a?

Answer

&a;
*a;
address(a);
a;

Question 179

Question

179. Which of the following gives the value stored at the address pointed to by the pointer a?

Answer

*a;
&a;
a;
val(a);

Question 180

Question

180. Which of the following is the proper keyword to allocate memory?

Answer

new
malloc
create
value

Question 181

Question

1. Use the following declaration and initialization to evaluate the Java expressions int a = 2, b = 3, c = 4, d = 5; cout << ( b * a + c *d --);

Answer

Question 182

Question

181. Use the following declaration and initialization to evaluate the Java expressions int a = 2, b = 3, c = 4, d = 5; cout << (++d);

Answer

Question 183

Question

182. Use the following declaration and initialization to evaluate the Java expressions int a = 2, b = 3, c = 4, d = 5; cout << (c = d + c++);

Answer

Question 184

Question

183. Use the following declaration and initialization to evaluate the Java expressions int a = 2, b = 3, c = 4, d = 5; cout << (c = d + ++c);

Answer

Question 185

Question

2. In a class definition, the special method provided to be called to create an instance of that class is known as a/an

Answer

Constructor
Destructor
Object
Compiler

Question 186

Question

184. ……………….. are used to document a program and improve its readability.

Answer

Comments
Keywords
Control structures
Blocks

Question 187

Question

185. Members of a class specified as ……………….. are accessible only to methods of that class.

Answer

private
public
protected
none of them

Question 188

Question

186. Use the following declaration and initialization to evaluate the Java expressions int a = 2, b = 3, c = 4, d = 5; cout << ( --b * a + c *d --);

Answer

Question 189

Question

187. Use the following declaration and initialization to evaluate the Java expressions int a = 2, b = 3, c = 4, d = 5; cout << (a++);

Answer

2
1
Syntax error
3

Question 190

Question

188. Use the following declaration and initialization to evaluate the Java expressions int a = 2, b = 3, c = 4, d = 5; cout << (c = c++);

Answer

Question 191

Question

189. Identify, from among the following, the incorrect variable name

Answer

2ndName
_theButton
my2ndFont.
CurrentWeatherStateofplanet

Question 192

Question

190. An overloaded method consists of: i) The same method name with different types of parameters ii) The same method name with different number of parameters iii) The same method name and same number and type of parameters

Answer

Both i and ii
all of them
none of them
only i

Question 193

Question

191. You read the following statement in a C++ program that compiles and executes. submarine.dive(depth); What can you say for sure?

Answer

dive must be a method.
depth must be an int
submarine must be the name of a class
submarine must be a method.

Question 194

Question

192. What is the type and value of the following expression? - 4 + 1/2 + 2*-3 + 5.0

Answer

double -5.0
int -5
double -4.5
none of the above

Question 195

Question

193. What is printed by the following statement? cout << (“Hello,\nworld!”);

Answer

Hello, world!
Hello, \nworld!
Hello, world
“Hello, \nworld!”

Question 196

Question

194. Which of the following variable declaration would NOT compile in a java program?

Answer

int 1_var;
int var_1;
int var;
int VAR;

Question 197

Question

3. _________ is a paradigm based on the concepts of “object” that contains data and methods

Answer

Object-oriented programming
Object-based programming
Data-oriented programming
Method-oriented programming

Question 198

Question

195. Two or more methods with same name in the same class with different arguments is called as

Answer

Method overloading
Method overriding
Method overridden
none of the above

Question 199

Question

196. Constructors are used to

Answer

Initialize a newly create object.
Free memory
To create a subclass
To build a user interface

Question 200

Question

197. Syntax of loop for (declaration; condition; increment/decrement){}

Answer

False
True

	Created by Айдана Шырманбай over 5 years ago

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