Programmaing Languages and Technologies

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Question 1 of 200

1. Specify the types of operator

Select one of the following:

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

Explanation

Question 2 of 200

2. Logical operators always evaluated from

Select one of the following:

Left to right
No difference
Not sure
Right to left

Explanation

Question 3 of 200

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:

Select one of the following:

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

Explanation

Question 4 of 200

4. Precedence for Logical Operators

Select one of the following:

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

Explanation

Question 5 of 200

5. What is an array?

Select one of the following:

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.

Explanation

Question 6 of 200

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

Select one of the following:

False
True
Nothing
All of them

Explanation

Question 7 of 200

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

Select one of the following:

False
All of them
Nothing
True

Explanation

Question 8 of 200

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

Select one of the following:

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

Explanation

Question 9 of 200

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

Select one of the following:

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

Explanation

Question 10 of 200

10. What is data structure?

Select one of the following:

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.

Explanation

Question 11 of 200

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

Select one of the following:

Members
Data
Objects
None of the above

Explanation

Question 12 of 200

12. What will be used when terminating a structure?

Select one of the following:

Semicolon
Colon
Brackets
Dot

Explanation

Question 13 of 200

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

Select one of the following:

Fstream
Iostream
Ofstream
Ifstream

Explanation

Question 14 of 200

14. Which stream class is only used to read files

Select one of the following:

Ifstream
Ofstream
Iostream
Fstream

Explanation

Question 15 of 200

15. What is the difference between array and structure?

Select one of the following:

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

Explanation

Question 16 of 200

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

Select one of the following:

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

Explanation

Question 17 of 200

17. The OR (||) operator:

Select one of the following:

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

Explanation

Question 18 of 200

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

Select one of the following:

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

Explanation

Question 19 of 200

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?

Select one of the following:

Function overloading
Function overprocessing
Argument type error
Argument dispatch error

Explanation

Question 20 of 200

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

Select one of the following:

structures
float
int
none of the mentioned

Explanation

Question 21 of 200

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

Select one of the following:

True
False
Unevaluatable
Not sure

Explanation

Question 22 of 200

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

Select one of the following:

Explanation

Question 23 of 200

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

Select one of the following:

0
Infinitely
1
Variable

Explanation

Question 24 of 200

24. What is the output of the following code?

Select one of the following:

value
77.5
Float
Variable

Explanation

Question 25 of 200

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

Select one of the following:

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

Explanation

Question 26 of 200

26. Which of the following is a complete function?

Select one of the following:

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

Explanation

Question 27 of 200

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

Select one of the following:

End;
Break;
Stop;
A semicolon;

Explanation

Question 28 of 200

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

Select one of the following:

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

Explanation

Question 29 of 200

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

Select one of the following:

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

Explanation

Question 30 of 200

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

Select one of the following:

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

Explanation

Question 31 of 200

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

Select one of the following:

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

Explanation

Question 32 of 200

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

Select one of the following:

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

Explanation

Question 33 of 200

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

Select one of the following:

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

Explanation

Question 34 of 200

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

Select one of the following:

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

Explanation

Question 35 of 200

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

Select one of the following:

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

Explanation

Question 36 of 200

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

Select one of the following:

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

Explanation

Question 37 of 200

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

Select one of the following:

Double
Void
Integer
Bool

Explanation

Question 38 of 200

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

Select one of the following:

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.

Explanation

Question 39 of 200

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

Select one of the following:

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

Explanation

Question 40 of 200

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

Select one of the following:

Inline Function
Nested Function
Overloaded Function
Recursive Function

Explanation

Question 41 of 200

41. The keyword endl

Select one of the following:

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

Explanation

Question 42 of 200

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

Select one of the following:

Explanation

Question 43 of 200

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

Select one of the following:

Local
Global
Module
Universal

Explanation

Question 44 of 200

44. Array indexing always starts with the number

Select one of the following:

0
1
-1
10

Explanation

Question 45 of 200

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

Select one of the following:

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

Explanation

Question 46 of 200

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

Select one of the following:

For
While
Do-while
Nothing

Explanation

Question 47 of 200

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?

Select one of the following:

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

Explanation

Question 48 of 200

48. A memory address is…

Select one of the following:

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

Explanation

Question 49 of 200

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

Select one of the following:

program
variable
computer
brackets

Explanation

Question 50 of 200

50. cin >> number; is

Select one of the following:

an output statement
a colon
a variable
an input statement

Explanation

Question 51 of 200

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

Select one of the following:

an output statement
a colon
a variable
an input statement

Explanation

Question 52 of 200

52. int number; is

Select one of the following:

an output statement
a variable declaration
a variable
an input statement

Explanation

Question 53 of 200

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

Select one of the following:

True
False
2
15

Explanation

Question 54 of 200

54. How to create array with n integers?

Select one of the following:

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];

Explanation

Question 55 of 200

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

Select one of the following:

iostream
string
cmath
fstream

Explanation

Question 56 of 200

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

Select one of the following:

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

Explanation

Question 57 of 200

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

Select one of the following:

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

Explanation

Question 58 of 200

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

Select one of the following:

Explanation

Question 59 of 200

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

Select one of the following:

Explanation

Question 60 of 200

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

Select one of the following:

Explanation

Question 61 of 200

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

Select one of the following:

Explanation

Question 62 of 200

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

Select one of the following:

Explanation

Question 63 of 200

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

Select one of the following:

Explanation

Question 64 of 200

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

Select one of the following:

Explanation

Question 65 of 200

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

Select one of the following:

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

Explanation

Question 66 of 200

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

Select one of the following:

Explanation

Question 67 of 200

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

Select one of the following:

Explanation

Question 68 of 200

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

Select one of the following:

Explanation

Question 69 of 200

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

Select one of the following:

Explanation

Question 70 of 200

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

Select one of the following:

7
cout
int
world

Explanation

Question 71 of 200

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

Select one of the following:

Explanation

Question 72 of 200

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

Select one of the following:

Explanation

Question 73 of 200

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

Select one of the following:

Explanation

Question 74 of 200

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

Select one of the following:

Explanation

Question 75 of 200

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

Select one of the following:

Explanation

Question 76 of 200

76. Which of the following is the valid array declaration

Select one of the following:

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

Explanation

Question 77 of 200

77. What is the output of the following code?

Select one of the following:

7
Value
1
6

Explanation

Question 78 of 200

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

Select one of the following:

Explanation

Question 79 of 200

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

Select one of the following:

Explanation

Question 80 of 200

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

Select one of the following:

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

Explanation

Question 81 of 200

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

Select one of the following:

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

Explanation

Question 82 of 200

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

Select one of the following:

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

Explanation

Question 83 of 200

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

Select one of the following:

1.75
50
30
20

Explanation

Question 84 of 200

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

Select one of the following:

Infinite loop
Never
1
0

Explanation

Question 85 of 200

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

Select one of the following:

3.75
1.75
2
0

Explanation

Question 86 of 200

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

Select one of the following:

Explanation

Question 87 of 200

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

Select one of the following:

Explanation

Question 88 of 200

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

Select one of the following:

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

Explanation

Question 89 of 200

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

Select one of the following:

Explanation

Question 90 of 200

90. How to read file and take first string?

Select one of the following:

File should be created before running the code : “input.txt” .
No need to create file before running the code, code will create it by itself.
File should be created before running the code: “input.txt” .
No need to create file before running the code, code will create it by itself .

Explanation

Question 91 of 200

91. How to write to file?

Select one of the following:

File should be created before running the code: “output.txt” .
No need to create file before running the code, code will create it by itself .
File should be created before running the code: “output.txt” .
No need to create file before running the code, code will create it by itself

Explanation

Question 92 of 200

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

Select one of the following:

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

Explanation

Question 93 of 200

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

Select one of the following:

This
This
This
This

Explanation

Question 94 of 200

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

Select one of the following:

This
This
This
This

Explanation

Question 95 of 200

95. Find mistake of next cod ?

Select one of the following:

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.

Explanation

Question 96 of 200

96. What will print in command line next code ?

Select one of the following:

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.

Explanation

Question 97 of 200

97. Which one will be correct function for ?

Select one of the following:

This
This
This
This

Explanation

Question 98 of 200

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

Select one of the following:

This
This
This
This

Explanation

Question 99 of 200

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

Select one of the following:

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

Explanation

Question 100 of 200

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

Select one of the following:

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

Explanation

Question 101 of 200

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

Select one of the following:

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;

Explanation

Question 102 of 200

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

Select one of the following:

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

Explanation

Question 103 of 200

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

Select one of the following:

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;

Explanation

Question 104 of 200

104. Why do we need library?

Select one of the following:

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

Explanation

Question 105 of 200

105. Why do we need library <cmath>?

Select one of the following:

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

Explanation

Question 106 of 200

106. Where is the mistake of the code ?

Select one of the following:

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

Explanation

Question 107 of 200

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

Select one of the following:

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

Explanation

Question 108 of 200

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

Select one of the following:

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

Explanation

Question 109 of 200

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

Select one of the following:

new
malloc
create
value

Explanation

Question 110 of 200

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

Select one of the following:

free
delete
clear
remove

Explanation

Question 111 of 200

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

Select one of the following:

Explanation

Question 112 of 200

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

Select one of the following:

!
:
;
None of above

Explanation

Question 113 of 200

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

Select one of the following:

All of them
for
while
do-while

Explanation

Question 114 of 200

Cin in C++ program uses the operator

Select one of the following:

Explanation

Question 115 of 200

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

Select one of the following:

1
inf
0
None of the above

Explanation

Question 116 of 200

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

Select one of the following:

int
char
double
string

Explanation

Question 117 of 200

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

Select one of the following:

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

Explanation

Question 118 of 200

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

Select one of the following:

“\n”
end
“/n”
enl

Explanation

Question 119 of 200

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

Select one of the following:

namespace
name
namearea
areaname

Explanation

Question 120 of 200

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

Select one of the following:

Explanation

Question 121 of 200

What is the notation used show the size of array?

Select one of the following:

Explanation

Question 122 of 200

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

Select one of the following:

1
Inf
0
None of the above

Explanation

Question 123 of 200

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

Select one of the following:

0
1
-1
Inf

Explanation

Question 124 of 200

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

Select one of the following:

local
global
both of them
none of them

Explanation

Question 125 of 200

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

Select one of the following:

//
--
<!-->
<>

Explanation

Question 126 of 200

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

Select one of the following:

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

Explanation

Question 127 of 200

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

Select one of the following:

Explanation

Question 128 of 200

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

Select one of the following:

Explanation

Question 129 of 200

129. Default value of boolean

Select one of the following:

false
true

Explanation

Question 130 of 200

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

Select one of the following:

void
int
double
bool

Explanation

Question 131 of 200

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

Select one of the following:

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

Explanation

Question 132 of 200

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

Select one of the following:

True
False

Explanation

Question 133 of 200

133. What value must a destructor return?

Select one of the following:

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

Explanation

Question 134 of 200

134. What character ends all strings?

Select one of the following:

‘\o’
‘\n’
‘’
‘.’

Explanation

Question 135 of 200

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

Select one of the following:

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

Explanation

Question 136 of 200

136. Which of the following functions compares two strings?

Select one of the following:

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

Explanation

Question 137 of 200

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

Select one of the following:

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

Explanation

Question 138 of 200

138. Which of the following correctly declares an array?

Select one of the following:

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

Explanation

Question 139 of 200

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

Select one of the following:

Explanation

Question 140 of 200

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

Select one of the following:

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

Explanation

Question 141 of 200

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

Select one of the following:

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

Explanation

Question 142 of 200

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

Select one of the following:

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

Explanation

Question 143 of 200

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

Select one of the following:

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

Explanation

Question 144 of 200

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

Select one of the following:

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

Explanation

Question 145 of 200

145. Which properly declares a variable of struct foo?

Select one of the following:

foo var
struct foo
foo
int foo

Explanation

Question 146 of 200

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

Select one of the following:

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

Explanation

Question 147 of 200

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

Select one of the following:

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

Explanation

Question 148 of 200

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

Select one of the following:

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

Explanation

Question 149 of 200

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

Select one of the following:

new
malloc
create
value

Explanation

Question 150 of 200

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

Select one of the following:

delete
clear
remove
free

Explanation

Question 151 of 200

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

Select one of the following:

Explanation

Question 152 of 200

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

Select one of the following:

Explanation

Question 153 of 200

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

Select one of the following:

1
Inf
0
None of the above

Explanation

Question 154 of 200

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

Select one of the following:

0
1
-1
Inf

Explanation

Question 155 of 200

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

Select one of the following:

local
global
both of them
none of them

Explanation

Question 156 of 200

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

Select one of the following:

//
--
<!-->
<>

Explanation

Question 157 of 200

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

Select one of the following:

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

Explanation

Question 158 of 200

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

Select one of the following:

Explanation

Question 159 of 200

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

Select one of the following:

Explanation

Question 160 of 200

160. Default value of boolean

Select one of the following:

false
true

Explanation

Question 161 of 200

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

Select one of the following:

void
int
double
bool

Explanation

Question 162 of 200

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

Select one of the following:

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

Explanation

Question 163 of 200

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

Select one of the following:

True
False

Explanation

Question 164 of 200

164. What value must a destructor return?

Select one of the following:

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

Explanation

Question 165 of 200

165. What character ends all strings?

Select one of the following:

‘\o’
‘\n’
‘’
‘.’

Explanation

Question 166 of 200

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

Select one of the following:

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

Explanation

Question 167 of 200

167. Which of the following functions compares two strings?

Select one of the following:

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

Explanation

Question 168 of 200

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

Select one of the following:

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

Explanation

Question 169 of 200

169. Which of the following correctly declares an array?

Select one of the following:

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

Explanation

Question 170 of 200

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

Select one of the following:

Explanation

Question 171 of 200

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

Select one of the following:

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

Explanation

Question 172 of 200

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

Select one of the following:

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

Explanation

Question 173 of 200

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

Select one of the following:

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

Explanation

Question 174 of 200

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

Select one of the following:

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

Explanation

Question 175 of 200

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

Select one of the following:

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

Explanation

Question 176 of 200

176. Which properly declares a variable of struct foo?

Select one of the following:

foo var
struct foo
foo
int foo

Explanation

Question 177 of 200

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

Select one of the following:

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

Explanation

Question 178 of 200

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

Select one of the following:

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

Explanation

Question 179 of 200

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

Select one of the following:

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

Explanation

Question 180 of 200

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

Select one of the following:

new
malloc
create
value

Explanation

Question 181 of 200

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 --);

Select one of the following:

Explanation

Question 182 of 200

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

Select one of the following:

Explanation

Question 183 of 200

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++);

Select one of the following:

Explanation

Question 184 of 200

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);

Select one of the following:

Explanation

Question 185 of 200

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

Select one of the following:

Constructor
Destructor
Object
Compiler

Explanation

Question 186 of 200

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

Select one of the following:

Comments
Keywords
Control structures
Blocks

Explanation

Question 187 of 200

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

Select one of the following:

private
public
protected
none of them

Explanation

Question 188 of 200

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 --);

Select one of the following:

Explanation

Question 189 of 200

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

Select one of the following:

2
1
Syntax error
3

Explanation

Question 190 of 200

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

Select one of the following:

Explanation

Question 191 of 200

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

Select one of the following:

2ndName
_theButton
my2ndFont.
CurrentWeatherStateofplanet

Explanation

Question 192 of 200

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

Select one of the following:

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

Explanation

Question 193 of 200

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

Select one of the following:

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

Explanation

Question 194 of 200

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

Select one of the following:

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

Explanation

Question 195 of 200

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

Select one of the following:

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

Explanation

Question 196 of 200

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

Select one of the following:

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

Explanation

Question 197 of 200

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

Select one of the following:

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

Explanation

Question 198 of 200

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

Select one of the following:

Method overloading
Method overriding
Method overridden
none of the above

Explanation

Question 199 of 200

196. Constructors are used to

Select one of the following:

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

Explanation

Question 200 of 200

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

Select one of the following:

False
True

Explanation

Check answer

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	Created by Айдана Шырманбай over 5 years ago

Olzhas

Programmaing Languages and Technologies

Question 1 of 200

1. Specify the types of operator

Select one of the following:

Explanation

Question 2 of 200

2. Logical operators always evaluated from

Select one of the following:

Explanation

Question 3 of 200

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:

Select one of the following:

Explanation

Question 4 of 200

4. Precedence for Logical Operators

Select one of the following:

Explanation

Question 5 of 200

5. What is an array?

Select one of the following:

Explanation

Question 6 of 200

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

Select one of the following:

Explanation

Question 7 of 200

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

Select one of the following:

Explanation

Question 8 of 200

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

Select one of the following:

Explanation

Question 9 of 200

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

Select one of the following:

Explanation

Question 10 of 200

10. What is data structure?

Select one of the following:

Explanation

Question 11 of 200

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

Select one of the following:

Explanation

Question 12 of 200

12. What will be used when terminating a structure?

Select one of the following:

Explanation

Question 13 of 200

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

Select one of the following:

Explanation

Question 14 of 200

14. Which stream class is only used to read files

Select one of the following:

Explanation

Question 15 of 200

15. What is the difference between array and structure?

Select one of the following:

Explanation

Question 16 of 200

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

Select one of the following:

Explanation

Question 17 of 200

17. The OR (||) operator:

Select one of the following:

Explanation

Question 18 of 200

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

Select one of the following:

Explanation

Question 19 of 200

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?

Select one of the following:

Explanation

Question 20 of 200

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