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

Questão 1

Questão

1. Specify the types of operator

Responda

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

Questão 2

Questão

2. Logical operators always evaluated from

Responda

Left to right
No difference
Not sure
Right to left

Questão 3

Questão

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:

Responda

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

Questão 4

Questão

4. Precedence for Logical Operators

Responda

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

Questão 5

Questão

5. What is an array?

Responda

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.

Questão 6

Questão

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

Responda

False
True
Nothing
All of them

Questão 7

Questão

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

Responda

False
All of them
Nothing
True

Questão 8

Questão

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

Responda

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

Questão 9

Questão

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

Responda

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

Questão 10

Questão

10. What is data structure?

Responda

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.

Questão 11

Questão

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

Responda

Members
Data
Objects
None of the above

Questão 12

Questão

12. What will be used when terminating a structure?

Responda

Semicolon
Colon
Brackets
Dot

Questão 13

Questão

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

Responda

Fstream
Iostream
Ofstream
Ifstream

Questão 14

Questão

14. Which stream class is only used to read files

Responda

Ifstream
Ofstream
Iostream
Fstream

Questão 15

Questão

15. What is the difference between array and structure?

Responda

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

Questão 16

Questão

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

Image:

15 (binary/octet-stream)

Responda

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

Questão 17

Questão

17. The OR (||) operator:

Responda

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

Questão 18

Questão

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

Responda

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

Questão 19

Questão

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?

Responda

Function overloading
Function overprocessing
Argument type error
Argument dispatch error

Questão 20

Questão

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

Responda

structures
float
int
none of the mentioned

Questão 21

Questão

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

Responda

True
False
Unevaluatable
Not sure

Questão 22

Questão

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

Responda

Questão 23

Questão

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

Responda

0
Infinitely
1
Variable

Questão 24

Questão

24. What is the output of the following code?

Image:

23 (binary/octet-stream)

Responda

value
77.5
Float
Variable

Questão 25

Questão

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

Responda

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

Questão 26

Questão

26. Which of the following is a complete function?

Responda

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

Questão 27

Questão

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

Responda

End;
Break;
Stop;
A semicolon;

Questão 28

Questão

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

Responda

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

Questão 29

Questão

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

Responda

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

Questão 30

Questão

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

Responda

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

Questão 31

Questão

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

Responda

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

Questão 32

Questão

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

Responda

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

Questão 33

Questão

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

Responda

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

Questão 34

Questão

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

Responda

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

Questão 35

Questão

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

Responda

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

Questão 36

Questão

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

Responda

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

Questão 37

Questão

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

Responda

Double
Void
Integer
Bool

Questão 38

Questão

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

Responda

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.

Questão 39

Questão

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

Responda

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

Questão 40

Questão

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

Responda

Inline Function
Nested Function
Overloaded Function
Recursive Function

Questão 41

Questão

41. The keyword endl

Responda

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

Questão 42

Questão

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

Responda

Questão 43

Questão

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

Responda

Local
Global
Module
Universal

Questão 44

Questão

44. Array indexing always starts with the number

Responda

0
1
-1
10

Questão 45

Questão

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

Responda

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

Questão 46

Questão

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

Responda

For
While
Do-while
Nothing

Questão 47

Questão

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?

Responda

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

Questão 48

Questão

48. A memory address is…

Responda

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

Questão 49

Questão

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

Responda

program
variable
computer
brackets

Questão 50

Questão

50. cin >> number; is

Responda

an output statement
a colon
a variable
an input statement

Questão 51

Questão

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

Responda

an output statement
a colon
a variable
an input statement

Questão 52

Questão

52. int number; is

Responda

an output statement
a variable declaration
a variable
an input statement

Questão 53

Questão

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

Responda

True
False
2
15

Questão 54

Questão

54. How to create array with n integers?

Responda

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];

Questão 55

Questão

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

Responda

iostream
string
cmath
fstream

Questão 56

Questão

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

Image:

55 (binary/octet-stream)

Responda

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

Questão 57

Questão

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)

Responda

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

Questão 58

Questão

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

Image:

58 (binary/octet-stream)

Responda

Questão 59

Questão

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

Image:

59 (binary/octet-stream)

Responda

Questão 60

Questão

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

Image:

60 (binary/octet-stream)

Responda

Questão 61

Questão

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

Image:

61 (binary/octet-stream)

Responda

Questão 62

Questão

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

Image:

62 (binary/octet-stream)

Responda

Questão 63

Questão

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

Image:

64 (binary/octet-stream)

Responda

Questão 64

Questão

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

Image:

63 (binary/octet-stream)

Responda

Questão 65

Questão

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

Image:

65 (binary/octet-stream)

Responda

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

Questão 66

Questão

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

Image:

66 (binary/octet-stream)

Responda

Questão 67

Questão

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

Image:

67 (binary/octet-stream)

Responda

Questão 68

Questão

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

Image:

68 (binary/octet-stream)

Responda

Questão 69

Questão

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

Image:

69 (binary/octet-stream)

Responda

Questão 70

Questão

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

Image:

70 (binary/octet-stream)

Responda

7
cout
int
world

Questão 71

Questão

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

Image:

71 (binary/octet-stream)

Responda

Questão 72

Questão

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

Image:

72 (binary/octet-stream)

Responda

Questão 73

Questão

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

Image:

73 (binary/octet-stream)

Responda

Questão 74

Questão

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

Image:

74 (binary/octet-stream)

Responda

Questão 75

Questão

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

Image:

75 (binary/octet-stream)

Responda

Questão 76

Questão

76. Which of the following is the valid array declaration

Responda

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

Questão 77

Questão

77. What is the output of the following code?

Image:

77 (binary/octet-stream)

Responda

7
Value
1
6

Questão 78

Questão

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

Image:

78 (binary/octet-stream)

Responda

Questão 79

Questão

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

Image:

79 (binary/octet-stream)

Responda

Questão 80

Questão

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

Image:

80 (binary/octet-stream)

Responda

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

Questão 81

Questão

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

Responda

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

Questão 82

Questão

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

Responda

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

Questão 83

Questão

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

Image:

83 (binary/octet-stream)

Responda

1.75
50
30
20

Questão 84

Questão

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

Image:

84 (binary/octet-stream)

Responda

Infinite loop
Never
1
0

Questão 85

Questão

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

Image:

85 (binary/octet-stream)

Responda

3.75
1.75
2
0

Questão 86

Questão

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

Image:

86 (binary/octet-stream)

Responda

Questão 87

Questão

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

Image:

87 (binary/octet-stream)

Responda

Questão 88

Questão

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

Image:

88 (binary/octet-stream)

Responda

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

Questão 89

Questão

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

Image:

89 (binary/octet-stream)

Responda

Questão 90

Questão

90. How to read file and take first string?

Responda

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)

Questão 91

Questão

91. How to write to file?

Responda

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)

Questão 92

Questão

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

Image:

92 (binary/octet-stream)

Responda

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

Questão 93

Questão

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

Responda

Questão 94

Questão

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

Image:

94 (binary/octet-stream)

Responda

Questão 95

Questão

95. Find mistake of next cod ?

Image:

95 (binary/octet-stream)

Responda

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.

Questão 96

Questão

96. What will print in command line next code ?

Image:

96 (binary/octet-stream)

Responda

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.

Questão 97

Questão

97. Which one will be correct function for ?

Responda

Questão 98

Questão

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

Responda

Questão 99

Questão

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

Responda

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

Questão 100

Questão

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

Responda

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

Questão 101

Questão

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

Responda

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;

Questão 102

Questão

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

Responda

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

Questão 103

Questão

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

Responda

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;

Questão 104

Questão

104. Why do we need library?

Responda

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

Questão 105

Questão

105. Why do we need library <cmath>?

Responda

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

Questão 106

Questão

106. Where is the mistake of the code ?

Image:

106 (binary/octet-stream)

Responda

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

Questão 107

Questão

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

Image:

107 (binary/octet-stream)

Responda

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

Questão 108

Questão

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

Image:

108 (binary/octet-stream)

Responda

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

Questão 109

Questão

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

Responda

new
malloc
create
value

Questão 110

Questão

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

Responda

free
delete
clear
remove

Questão 111

Questão

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

Responda

Questão 112

Questão

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

Responda

!
:
;
None of above

Questão 113

Questão

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

Responda

All of them
for
while
do-while

Questão 114

Questão

Cin in C++ program uses the operator

Responda

Questão 115

Questão

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

Responda

1
inf
0
None of the above

Questão 116

Questão

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

Responda

int
char
double
string

Questão 117

Questão

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

Responda

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

Questão 118

Questão

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

Responda

“\n”
end
“/n”
enl

Questão 119

Questão

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

Responda

namespace
name
namearea
areaname

Questão 120

Questão

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

Responda

Questão 121

Questão

What is the notation used show the size of array?

Responda

Questão 122

Questão

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

Responda

1
Inf
0
None of the above

Questão 123

Questão

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

Responda

0
1
-1
Inf

Questão 124

Questão

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

Responda

local
global
both of them
none of them

Questão 125

Questão

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

Responda

//
--
<!-->
<>

Questão 126

Questão

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

Responda

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

Questão 127

Questão

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

Responda

Questão 128

Questão

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

Responda

Questão 129

Questão

129. Default value of boolean

Responda

false
true

Questão 130

Questão

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

Responda

void
int
double
bool

Questão 131

Questão

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

Responda

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

Questão 132

Questão

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

Responda

True
False

Questão 133

Questão

133. What value must a destructor return?

Responda

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

Questão 134

Questão

134. What character ends all strings?

Responda

‘\o’
‘\n’
‘’
‘.’

Questão 135

Questão

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

Responda

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

Questão 136

Questão

136. Which of the following functions compares two strings?

Responda

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

Questão 137

Questão

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

Responda

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

Questão 138

Questão

138. Which of the following correctly declares an array?

Responda

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

Questão 139

Questão

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

Responda

Questão 140

Questão

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

Responda

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

Questão 141

Questão

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

Responda

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

Questão 142

Questão

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

Responda

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

Questão 143

Questão

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

Responda

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

Questão 144

Questão

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

Responda

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

Questão 145

Questão

145. Which properly declares a variable of struct foo?

Responda

foo var
struct foo
foo
int foo

Questão 146

Questão

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

Responda

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

Questão 147

Questão

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

Responda

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

Questão 148

Questão

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

Responda

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

Questão 149

Questão

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

Responda

new
malloc
create
value

Questão 150

Questão

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

Responda

delete
clear
remove
free

Questão 151

Questão

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

Responda

Questão 152

Questão

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

Responda

Questão 153

Questão

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

Responda

1
Inf
0
None of the above

Questão 154

Questão

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

Responda

0
1
-1
Inf

Questão 155

Questão

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

Responda

local
global
both of them
none of them

Questão 156

Questão

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

Responda

//
--
<!-->
<>

Questão 157

Questão

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

Responda

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

Questão 158

Questão

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

Responda

Questão 159

Questão

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

Responda

Questão 160

Questão

160. Default value of boolean

Responda

false
true

Questão 161

Questão

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

Responda

void
int
double
bool

Questão 162

Questão

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

Responda

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

Questão 163

Questão

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

Responda

True
False

Questão 164

Questão

164. What value must a destructor return?

Responda

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

Questão 165

Questão

165. What character ends all strings?

Responda

‘\o’
‘\n’
‘’
‘.’

Questão 166

Questão

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

Responda

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

Questão 167

Questão

167. Which of the following functions compares two strings?

Responda

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

Questão 168

Questão

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

Responda

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

Questão 169

Questão

169. Which of the following correctly declares an array?

Responda

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

Questão 170

Questão

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

Responda

Questão 171

Questão

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

Responda

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

Questão 172

Questão

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

Responda

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

Questão 173

Questão

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

Responda

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

Questão 174

Questão

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

Responda

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

Questão 175

Questão

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

Responda

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

Questão 176

Questão

176. Which properly declares a variable of struct foo?

Responda

foo var
struct foo
foo
int foo

Questão 177

Questão

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

Responda

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

Questão 178

Questão

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

Responda

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

Questão 179

Questão

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

Responda

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

Questão 180

Questão

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

Responda

new
malloc
create
value

Questão 181

Questão

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 --);

Responda

Questão 182

Questão

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

Responda

Questão 183

Questão

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++);

Responda

Questão 184

Questão

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);

Responda

Questão 185

Questão

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

Responda

Constructor
Destructor
Object
Compiler

Questão 186

Questão

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

Responda

Comments
Keywords
Control structures
Blocks

Questão 187

Questão

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

Responda

private
public
protected
none of them

Questão 188

Questão

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 --);

Responda

Questão 189

Questão

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

Responda

2
1
Syntax error
3

Questão 190

Questão

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

Responda

Questão 191

Questão

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

Responda

2ndName
_theButton
my2ndFont.
CurrentWeatherStateofplanet

Questão 192

Questão

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

Responda

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

Questão 193

Questão

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

Responda

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

Questão 194

Questão

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

Responda

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

Questão 195

Questão

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

Responda

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

Questão 196

Questão

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

Responda

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

Questão 197

Questão

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

Responda

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

Questão 198

Questão

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

Responda

Method overloading
Method overriding
Method overridden
none of the above

Questão 199

Questão

196. Constructors are used to

Responda

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

Questão 200

Questão

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

Responda

False
True

	Criado por Айдана Шырманбай mais de 5 anos atrás

Próximo

Programmaing Languages and Technologies

Descrição

Resumo de Recurso

Questão 1

Questão 2

Questão 3

Questão 4

Questão 5

Questão 6

Questão 7

Questão 8

Questão 9

Questão 10

Questão 11

Questão 12

Questão 13

Questão 14

Questão 15

Questão 16

Questão 17

Questão 18

Questão 19

Questão 20

Questão 21

Questão 22

Questão 23

Questão 24

Questão 25

Questão 26

Questão 27

Questão 28

Questão 29

Questão 30

Questão 31

Questão 32

Questão 33

Questão 34

Questão 35

Questão 36

Questão 37

Questão 38

Questão 39

Questão 40

Questão 41

Questão 42

Questão 43

Questão 44

Questão 45

Questão 46

Questão 47

Questão 48

Questão 49

Questão 50

Questão 51

Questão 52

Questão 53

Questão 54

Questão 55

Questão 56

Questão 57

Questão 58

Questão 59

Questão 60

Questão 61

Questão 62

Questão 63

Questão 64

Questão 65

Questão 66

Questão 67

Questão 68

Questão 69

Questão 70

Questão 71

Questão 72

Questão 73

Questão 74

Questão 75

Questão 76