C and C++ Programing

1. What will be the output of the following C++ code? TRE4 C and C++ Quiz practice set 2 2. Which operator is used to perform bitwise NOT in C++? TRE4 C and C++ Quiz practice set 2 3. Write the output of the following program: int a[ ] = {1,2,3,} *p; TRE4 C and C++ Quiz practice set 1 4. Assume size of an integer as 4 bytes. What is the output of the above program? TRE4 C and C++ Quiz practice set 1 5. Which language is better for writing structured code? TRE4 C and C++ Quiz practice set 3 6. Which of the following is an example of a server-side scripting language commonly used in web applications? TRE4 C and C++ Quiz practice set 1 7. Which of the following approaches is used by C++? TRE4 C and C++ Quiz practice set 2 8. Which language does a browser use to display information from the World Wide Web? TRE4 C and C++ Quiz practice set 3 9. What is virtual inheritance in C++? TRE4 C and C++ Quiz practice set 2 10. Select the true statement for compiler. TRE4 C and C++ Quiz practice set 3 11. What happens if the following C++ statement is compiled and executed? int *ptr = NULL; delete ptr; TRE4 C and C++ Quiz practice set 2 12. Which of the following is not a valid variable name in most programming languages? TRE4 C and C++ Quiz practice set 3 13. What is the difference between delete and delete[] in C++? TRE4 C and C++ Quiz practice set 2 14. If a semicolon is not used at the end of a statement, what message will be displayed by C++? TRE4 C and C++ Quiz practice set 3 15. What happens if the following program is executed in C and C++? int new=5; printf("%d", new); TRE4 C and C++ Quiz practice set 2 16. Which shortcut keys are used to compile and run a program in Turbo C++? TRE4 C and C++ Quiz practice set 3 17. What is the value of p in the following C++ code snippet? TRE4 C and C++ Quiz practice set 2 18. Which of the following is a user-defined header file extension used in C++? TRE4 C and C++ Quiz practice set 3 19. The C++ code which causes abnormal termination or behaviour of a program should be written under _____ block. TRE4 C and C++ Quiz practice set 2 20. What will happen if the following C++ statement is compiled and executed? int *ptr = NULL; delete ptr; TRE4 C and C++ Quiz practice set 3 21. What will be the output of the following C++ code? TRE4 C and C++ Quiz practice set 2 22. Which of the following correctly declares an array in C++? TRE4 C and C++ Quiz practice set 3 23. Pick the incorrect statement about inline functions in C++. TRE4 C and C++ Quiz practice set 2 24. What will be the output of the given C++ code that attempts to concatenate character arrays using the + operator? TRE4 C and C++ Quiz practice set 3 25. What is abstract class in C++? TRE4 C and C++ Quiz practice set 2 26. How do structures and classes in C++ differ? TRE4 C and C++ Quiz practice set 3 27. Which of the following constructors is provided by the C++ compiler if not defined in a class? TRE4 C and C++ Quiz practice set 2 28. What is the use of ios::trunc mode in C++? TRE4 C and C++ Quiz practice set 3 29. How do structures and classes in C++ differ? TRE4 C and C++ Quiz practice set 2 30. Which of the following statements is/are correct about C++ file opening modes? TRE4 C and C++ Quiz practice set 3 31. Which of the following is the original creator of the C++ language? TRE4 C and C++ Quiz practice set 2 32. The correct statement for a function that takes a pointer to a float, a pointer to a pointer to a char and returns a pointer to a pointer to an integer is TRE4 C and C++ Quiz practice set 3 33. Which of the following is the correct syntax to read the single character to console in the C++ language? TRE4 C and C++ Quiz practice set 2 34. What will be the output of the following C++ code? TRE4 C and C++ Quiz practice set 3 35. Which of the following gives the nth element of the Array? TRE4 C and C++ Quiz practice set 2 36. Which is correct syntax of inheritance in C++? TRE4 C and C++ Quiz practice set 3 37. How many types of the array are there in the C++ programming language? TRE4 C and C++ Quiz practice set 2 38. Which one of the following is the correct definition of the is_array() function in PHP? TRE4 C and C++ Quiz practice set 3 39. In C++, for what purpose is the rank() used? TRE4 C and C++ Quiz practice set 2 40. Which of the following statements is correct about a class and an object in C++? TRE4 C and C++ Quiz practice set 3 41. What is the scope of the variable declared in a user-defined function? TRE4 C and C++ Quiz practice set 2 42. Which of the following can be used to create an abstract class in C++? TRE4 C and C++ Quiz practice set 3 43. Which one of the following is the correct definition of the is_array() function in C++? TRE4 C and C++ Quiz practice set 2 44. Which of the following statements is correct about the C++ programming language? TRE4 C and C++ Quiz practice set 3 45. Which of the following statements is true about new and malloc? I. The new is a type of operator while malloc is a kind of function. II. The new invokes a constructor, whereas malloc does not invoke the constructor. III. The malloc returns void pointer and also needed to typecast whereas new returns required pointer. TRE4 C and C++ Quiz practice set 2 46. Which feature of OOP is indicated by the following code? TRE4 C and C++ Quiz practice set 3 47. What will happen if in a C++ program, a class has no name? TRE4 C and C++ Quiz practice set 2 48. What will be the output of the following C program? TRE4 C and C++ Quiz practice set 1 49. Assume that an integer occupies 4 bytes. What will be the output of the following C program? TRE4 C and C++ Quiz practice set 1 50. Which of the following is primarily a procedural programming language that supports structured programming? TRE4 C and C++ Quiz practice set 3 51. Which of the following is primarily used for server-side scripting in web applications? TRE4 C and C++ Quiz practice set 1 52. Which programming paradigm is primarily supported by C++? TRE4 C and C++ Quiz practice set 2 53. What is the full form of HTML? TRE4 C and C++ Quiz practice set 3 54. Which problem is commonly solved by virtual inheritance in C++? TRE4 C and C++ Quiz practice set 2 55. What is the primary function of a compiler? TRE4 C and C++ Quiz practice set 3 56. Which operator is used in C++ to dynamically allocate memory for a single object? TRE4 C and C++ Quiz practice set 2 57. What is an identifier in programming? TRE4 C and C++ Quiz practice set 3 58. Which C++ operator is used to allocate memory for an array dynamically? TRE4 C and C++ Quiz practice set 2 59. What is the primary purpose of a semicolon in C++? TRE4 C and C++ Quiz practice set 3 60. Which of the following can be used as an identifier in both C and C++? TRE4 C and C++ Quiz practice set 2 61. Which shortcut key is used to compile a program in classic Turbo C++? TRE4 C and C++ Quiz practice set 3 62. What is the primary purpose of a header file in C++? TRE4 C and C++ Quiz practice set 3 63. Which statement is used to explicitly generate an exception in C++? TRE4 C and C++ Quiz practice set 2 64. Which operator is used in C++ to dynamically allocate memory for a single object? TRE4 C and C++ Quiz practice set 3 65. What will be the output of the following C++ code? TRE4 C and C++ Quiz practice set 2 66. What is the index of the first element in a C++ array? TRE4 C and C++ Quiz practice set 3 67. Which feature of C++ allows multiple functions to have the same name but different parameter lists? TRE4 C and C++ Quiz practice set 2 68. What will be the output of the following C++ code? TRE4 C and C++ Quiz practice set 3 69. Which of the following is the correct syntax for declaring a pure virtual function in C++? TRE4 C and C++ Quiz practice set 2 70. What will be the output of the following C++ code? TRE4 C and C++ Quiz practice set 3 71. What is constructor overloading in C++? TRE4 C and C++ Quiz practice set 2 72. Which C++ file mode is used to append data at the end of a file? TRE4 C and C++ Quiz practice set 3 73. Which access specifier can be used to make a member of a C++ structure private? TRE4 C and C++ Quiz practice set 2 74. Which operator is used to combine two or more C++ file opening modes? TRE4 C and C++ Quiz practice set 3 75. What was the original name of the C++ language during its early development? TRE4 C and C++ Quiz practice set 2 76. Which declaration defines a function that accepts a pointer to an integer and returns a pointer to a character? TRE4 C and C++ Quiz practice set 3 77. Which operator is used with cin to extract input from the standard input stream in C++? TRE4 C and C++ Quiz practice set 2 78. What is the output of the following C++ program? TRE4 C and C++ Quiz practice set 3 79. At which index does the first element of a C++ array normally begin? TRE4 C and C++ Quiz practice set 2 80. What is the default inheritance access mode for a class in C++? TRE4 C and C++ Quiz practice set 3 81. Which of the following is a valid declaration of an integer array in C++? TRE4 C and C++ Quiz practice set 2 82. What will be the output of the following PHP code? TRE4 C and C++ Quiz practice set 3 83. Which C++ type trait is used to determine the size of a particular array dimension? TRE4 C and C++ Quiz practice set 2 84. Which keyword is used to define a class in C++? TRE4 C and C++ Quiz practice set 3 85. A variable declared inside a function is generally known as what? TRE4 C and C++ Quiz practice set 2 86. Which is the correct syntax for declaring a pure virtual function in C++? TRE4 C and C++ Quiz practice set 3 87. Which C++ type trait is used to check whether a type is an integral type? TRE4 C and C++ Quiz practice set 2 88. When does static type checking primarily occur in C++? TRE4 C and C++ Quiz practice set 3 89. Which C library function is used to allocate memory for a specified number of elements and initialize the allocated memory to zero? TRE4 C and C++ Quiz practice set 2 90. Which OOP concept allows a derived class to acquire accessible members of a base class? TRE4 C and C++ Quiz practice set 3 91. Which statement correctly describes an unnamed class in C++? TRE4 C and C++ Quiz practice set 2 92. Which of the following is equivalent to a[3] in C? TRE4 C and C++ Quiz practice set 1 93. Assume that an integer occupies 4 bytes. What will be the output of the following C program? TRE4 C and C++ Quiz practice set 1 94. What is the full form of FORTRAN? TRE4 C and C++ Quiz practice set 3 95. Which of the following is a major difference between client-side and server-side scripting? TRE4 C and C++ Quiz practice set 1 96. Which feature of C++ allows a program to create objects from a user-defined data type? TRE4 C and C++ Quiz practice set 2 97. Which language is primarily used to style the appearance of web pages? TRE4 C and C++ Quiz practice set 3 98. Which keyword is used with a base class in C++ to implement virtual inheritance? TRE4 C and C++ Quiz practice set 2 99. Which translator converts assembly language into machine code? TRE4 C and C++ Quiz practice set 3 100. Which operator should normally be used to release memory allocated using new in C++? TRE4 C and C++ Quiz practice set 2 101. Which of the following is a valid variable name in C? TRE4 C and C++ Quiz practice set 3 102. What is the main purpose of RAII in modern C++? TRE4 C and C++ Quiz practice set 2 103. What is the likely result of compiling the following C++ code: int x = 10 cout << x; TRE4 C and C++ Quiz practice set 3 104. Which of the following is a valid identifier in C? TRE4 C and C++ Quiz practice set 2 105. Which shortcut key is used to run a program in classic Turbo C++? TRE4 C and C++ Quiz practice set 3 106. What is the output of the following C++ code? TRE4 C and C++ Quiz practice set 2 107. Which preprocessor directive is used to include a header file in C++? TRE4 C and C++ Quiz practice set 3 108. Which block is used to handle an exception in C++? TRE4 C and C++ Quiz practice set 2 109. Which operator is used to release memory allocated for a single object using new in C++? TRE4 C and C++ Quiz practice set 3 110. What will be the output of the following C++ code? TRE4 C and C++ Quiz practice set 2 111. Which statement correctly initializes an integer array with three elements in C++? TRE4 C and C++ Quiz practice set 3 112. What will be the output of the following C++ code? TRE4 C and C++ Quiz practice set 2 113. What will be the output of the following C++ code? TRE4 C and C++ Quiz practice set 3 114. What happens if an attempt is made to create an object of an abstract class in C++? TRE4 C and C++ Quiz practice set 2 115. What happens when the following C++ code is compiled? TRE4 C and C++ Quiz practice set 3 116. Which feature of a C++ constructor is used to initialize data members before the constructor body executes? TRE4 C and C++ Quiz practice set 2 117. Which C++ file mode is used to open a file for reading? TRE4 C and C++ Quiz practice set 3 118. Which of the following can be declared inside a C++ structure? TRE4 C and C++ Quiz practice set 2 119. Which access is requested by the following C++ statement? TRE4 C and C++ Quiz practice set 3 120. At which organization was C++ originally developed by Bjarne Stroustrup? TRE4 C and C++ Quiz practice set 2 121. Which declaration represents a function that accepts a pointer to a pointer to int and returns an int? TRE4 C and C++ Quiz practice set 3 122. Which operator is commonly used with cout to display output in C++? TRE4 C and C++ Quiz practice set 2 123. Which statement correctly describes the base case in a recursive factorial function? TRE4 C and C++ Quiz practice set 3 124. What is the last valid index of an array declared as int a[10] in C++? TRE4 C and C++ Quiz practice set 2 125. What will be the output of the following C++ code? TRE4 C and C++ Quiz practice set 3 126. Which of the following can be declared in C++? TRE4 C and C++ Quiz practice set 2 127. Which PHP function returns the number of elements in an array? TRE4 C and C++ Quiz practice set 3 128. Which C++ type trait checks whether a given type is an array type? TRE4 C and C++ Quiz practice set 2 129. What will be the output of the following C++ code? TRE4 C and C++ Quiz practice set 3 130. What happens if a local variable and a global variable have the same name in C++? TRE4 C and C++ Quiz practice set 2 131. Can an object of an abstract class be created directly in C++? TRE4 C and C++ Quiz practice set 3 132. Which type trait can be used to determine whether a C++ type is a floating-point type? TRE4 C and C++ Quiz practice set 2 133. What is the purpose of a const member function in C++? TRE4 C and C++ Quiz practice set 3 134. Which function is used to change the size of a previously allocated memory block in C? TRE4 C and C++ Quiz practice set 2 135. Which OOP concept bundles data and the functions that operate on that data into a single unit? TRE4 C and C++ Quiz practice set 3 136. What is the main limitation of an unnamed class regarding constructors? TRE4 C and C++ Quiz practice set 2 137. What will be the output of the following C program? TRE4 C and C++ Quiz practice set 1 138. What will be the output of the following C program? TRE4 C and C++ Quiz practice set 1 139. Which programming language was specifically designed for business data processing? TRE4 C and C++ Quiz practice set 3 140. Which of the following is a common use of server-side scripting? TRE4 C and C++ Quiz practice set 1 141. Which OOP concept in C++ combines data and the functions that operate on that data into a single unit? TRE4 C and C++ Quiz practice set 2 142. Which programming language is commonly used to add interactivity to web pages in a browser? TRE4 C and C++ Quiz practice set 3 143. In C++, which type of function is mainly used to achieve run-time polymorphism? TRE4 C and C++ Quiz practice set 2 144. Which statement best describes an interpreter? TRE4 C and C++ Quiz practice set 3 145. Which operator should be used to release an array allocated using new[] in C++? TRE4 C and C++ Quiz practice set 2 146. Which of the following is a reserved keyword in C? TRE4 C and C++ Quiz practice set 3 147. Which special member function is automatically called when a C++ object goes out of scope? TRE4 C and C++ Quiz practice set 2 148. What does a single semicolon represent in C++? TRE4 C and C++ Quiz practice set 3 149. Which statement about keywords in C and C++ is correct? TRE4 C and C++ Quiz practice set 2 150. Which shortcut key displays the user screen in classic Turbo C++? TRE4 C and C++ Quiz practice set 3 151. What will be the output of the following C++ code? TRE4 C and C++ Quiz practice set 2 152. Which standard C++ header file is commonly used for input and output with cin and cout? TRE4 C and C++ Quiz practice set 3 153. What happens when an exception is thrown in C++ and a matching catch block is found? TRE4 C and C++ Quiz practice set 2 154. Which operator should be used to release a dynamically allocated array in C++? TRE4 C and C++ Quiz practice set 3 155. What will be the output of the following C++ code? TRE4 C and C++ Quiz practice set 2 156. What is the output of the following C++ code? int a[4] = {2, 4, 6, 8}; cout << a[2]; TRE4 C and C++ Quiz practice set 3 157. Which C++ feature allows a function to work with different data types without writing separate functions for each type? TRE4 C and C++ Quiz practice set 2 158. What will be the output of the following C++ code using std::string? TRE4 C and C++ Quiz practice set 3 159. What must a derived class generally do to become a concrete class when inheriting from an abstract class? TRE4 C and C++ Quiz practice set 2 160. What is the default inheritance access mode for a class in C++ when no access specifier is written? TRE4 C and C++ Quiz practice set 3 161. Why must a const data member generally be initialized using a constructor initializer list in C++? TRE4 C and C++ Quiz practice set 2 162. Which C++ file mode is used to open a file in binary mode? TRE4 C and C++ Quiz practice set 3 163. What is the default inheritance access specifier when a C++ class is derived from a struct? TRE4 C and C++ Quiz practice set 2 164. What happens when an existing file is opened using the following statement? TRE4 C and C++ Quiz practice set 3 165. Which programming language was the main base for the early development of C++? TRE4 C and C++ Quiz practice set 2 166. What is the type of p in the following C code? TRE4 C and C++ Quiz practice set 3 167. Which C++ stream function can be used to extract and discard characters from the input stream? TRE4 C and C++ Quiz practice set 2 168. What is the output of the following C++ code? TRE4 C and C++ Quiz practice set 3 169. How many elements can be stored in an array declared as int marks[25]? TRE4 C and C++ Quiz practice set 2 170. Which statement about protected members in C++ inheritance is correct? TRE4 C and C++ Quiz practice set 3 171. Which statement correctly describes int *p[5] in C++? TRE4 C and C++ Quiz practice set 2 172. What will be the output of the following PHP code? TRE4 C and C++ Quiz practice set 3 173. What is the value of std::rank<int[2][3][4]>::value in C++? TRE4 C and C++ Quiz practice set 2 174. What is the default access specifier for members of a C++ class? TRE4 C and C++ Quiz practice set 3 175. Where is a global variable normally declared in a C++ program? TRE4 C and C++ Quiz practice set 2 176. What is the output of the following C++ program? TRE4 C and C++ Quiz practice set 3 177. Which C++ type trait checks whether a specified type is a pointer type? TRE4 C and C++ Quiz practice set 2 178. What is the output of the following C++ program? TRE4 C and C++ Quiz practice set 3 179. Which function is used to release dynamically allocated memory obtained using malloc(), calloc() or realloc()? TRE4 C and C++ Quiz practice set 2 180. What is the output of the following C++ program? TRE4 C and C++ Quiz practice set 3 181. Which of the following can be declared inside an unnamed class in C++? TRE4 C and C++ Quiz practice set 2 182. What will be the output of the following C program? TRE4 C and C++ Quiz practice set 1 183. What will be the output of the following C program? TRE4 C and C++ Quiz practice set 1 184. What is the full form of BASIC? TRE4 C and C++ Quiz practice set 3 185. In a typical web application, where is PHP code executed? TRE4 C and C++ Quiz practice set 1 186. Which OOP feature allows a new C++ class to acquire properties and behaviour of an existing class? TRE4 C and C++ Quiz practice set 2 187. What is the full form of URL? TRE4 C and C++ Quiz practice set 3 188. What is the main purpose of a virtual destructor in C++? TRE4 C and C++ Quiz practice set 2 189. What is the primary function of a linker? TRE4 C and C++ Quiz practice set 3 190. What is a memory leak in a C++ program? TRE4 C and C++ Quiz practice set 2 191. Are variable names case-sensitive in C? TRE4 C and C++ Quiz practice set 3 192. What is the result of allocating memory using new without storing the returned address anywhere? TRE4 C and C++ Quiz practice set 2 193. Which symbol normally terminates a simple statement in C++? TRE4 C and C++ Quiz practice set 3 194. Which of the following is a keyword in C++ but not a keyword in C? TRE4 C and C++ Quiz practice set 2 195. What is the primary function of a C++ compiler? TRE4 C and C++ Quiz practice set 3 196. What will be the output of the following C++ code? TRE4 C and C++ Quiz practice set 2 197. Which syntax is commonly used to include a user-defined header file named myheader.h? TRE4 C and C++ Quiz practice set 3 198. Which of the following can be thrown as an exception in C++? TRE4 C and C++ Quiz practice set 2 199. What can happen if memory allocated using new is never released when it is no longer needed? TRE4 C and C++ Quiz practice set 3 200. Which statement is correct about a const reference in C++? TRE4 C and C++ Quiz practice set 2 201. What happens to the remaining elements when an integer array is partially initialized using a brace-enclosed initializer? TRE4 C and C++ Quiz practice set 3 202. What is a function called when it calls itself directly or indirectly? TRE4 C and C++ Quiz practice set 2 203. What will be the output of the following C++ code? TRE4 C and C++ Quiz practice set 3 204. What will be the output of the following C++ code? TRE4 C and C++ Quiz practice set 2 205. Which statement about constructors in C++ structures and classes is correct? TRE4 C and C++ Quiz practice set 3 206. What is the main purpose of the explicit keyword with a C++ constructor? TRE4 C and C++ Quiz practice set 2 207. What generally happens when an existing file is opened using ofstream with the default output mode? TRE4 C and C++ Quiz practice set 3 208. What is the default inheritance mode when a C++ struct derives from another type? TRE4 C and C++ Quiz practice set 2 209. Which file opening mode ensures that output is written at the end of a file? TRE4 C and C++ Quiz practice set 3 210. Which organization is primarily responsible for international standardization of the C++ programming language? TRE4 C and C++ Quiz practice set 2 211. What value is printed by the following C program? TRE4 C and C++ Quiz practice set 3 212. Which C++ function is commonly used to read an entire line of text, including spaces? TRE4 C and C++ Quiz practice set 2 213. What is the likely result of calling the following recursive function with n equal to 5? TRE4 C and C++ Quiz practice set 3 214. What is the value of the remaining elements when a partially initialized integer array is declared as int a[5] = {10, 20};? TRE4 C and C++ Quiz practice set 2 215. What type of inheritance is demonstrated by the following C++ code? TRE4 C and C++ Quiz practice set 3 216. If int a[10] is declared and an int occupies 4 bytes, what is the total size of array a? TRE4 C and C++ Quiz practice set 2 217. What will the following PHP code print? TRE4 C and C++ Quiz practice set 3 218. Which header file provides std::rank and std::extent in C++? TRE4 C and C++ Quiz practice set 2 219. What will be the output of the following C++ program? TRE4 C and C++ Quiz practice set 3 220. What is the scope of a variable declared inside an if block in C++? TRE4 C and C++ Quiz practice set 2 221. What happens if a derived class does not override an inherited pure virtual function? TRE4 C and C++ Quiz practice set 3 222. What does std::is_const<const int>::value return? TRE4 C and C++ Quiz practice set 2 223. Which C++ feature enables a function call to be resolved at runtime based on the actual object type? TRE4 C and C++ Quiz practice set 3 224. Which statement correctly describes calloc() and malloc()? TRE4 C and C++ Quiz practice set 2 225. Which access specifier makes a class member accessible only within the class and its friends? TRE4 C and C++ Quiz practice set 3 226. What is a local class in C++? TRE4 C and C++ Quiz practice set 2 227. What will be the output of the following C program? TRE4 C and C++ Quiz practice set 1 228. What will be the output of the following C program? TRE4 C and C++ Quiz practice set 1 229. Which of the following is a first-generation programming language? TRE4 C and C++ Quiz practice set 3 230. Which of the following technologies can be used for server-side web application development? TRE4 C and C++ Quiz practice set 1 231. Which OOP concept allows the same function name to perform different operations in different situations? TRE4 C and C++ Quiz practice set 2 232. What is the full form of HTTP? TRE4 C and C++ Quiz practice set 3 233. Which of the following can be overridden in a derived C++ class? TRE4 C and C++ Quiz practice set 2 234. Which system program loads an executable into memory for execution? TRE4 C and C++ Quiz practice set 3 235. What is a dangling pointer in C++? TRE4 C and C++ Quiz practice set 2 236. Which character can be used at the beginning of a variable name in C? TRE4 C and C++ Quiz practice set 3 237. Which smart pointer is designed for non-owning observation of an object managed by shared_ptr? TRE4 C and C++ Quiz practice set 2 238. Which is the correct declaration of an integer variable in C++? TRE4 C and C++ Quiz practice set 3 239. What is the output of the following C program? int main() { int x = 10; printf("%d", x); } TRE4 C and C++ Quiz practice set 2 240. What happens when a C++ program contains a syntax error? TRE4 C and C++ Quiz practice set 3 241. Which file extension is commonly used for a C++ source file? TRE4 C and C++ Quiz practice set 3 242. Which catch block can be used to catch an exception of any type in C++? TRE4 C and C++ Quiz practice set 2 243. What is a dangling pointer in C++? TRE4 C and C++ Quiz practice set 3 244. What happens when a null pointer is dereferenced in C++? TRE4 C and C++ Quiz practice set 2 245. Which expression accesses the third element of an array named arr in C++? TRE4 C and C++ Quiz practice set 3 246. Which C++ feature provides a concise way to define an unnamed function object? TRE4 C and C++ Quiz practice set 2 247. What will be the output of the following C++ code using a character pointer? TRE4 C and C++ Quiz practice set 3 248. Which statement about a pure virtual function in C++ is correct? TRE4 C and C++ Quiz practice set 2 249. Which statement correctly describes member functions in C++ structures and classes? TRE4 C and C++ Quiz practice set 3 250. Which of the following statements about a C++ constructor is correct? TRE4 C and C++ Quiz practice set 2 251. Which statement correctly describes ios::ate and ios::app in C++? TRE4 C and C++ Quiz practice set 3 252. Which statement about using a struct name in C++ is correct? TRE4 C and C++ Quiz practice set 2 253. What is the difference between ios::ate and ios::app? TRE4 C and C++ Quiz practice set 3 254. Which of the following was the first ISO standardized version of C++? TRE4 C and C++ Quiz practice set 2 255. Which declaration correctly defines a function that accepts a pointer to float and returns a pointer to pointer to char? TRE4 C and C++ Quiz practice set 3 256. Which C++ input stream function examines the next character without extracting it from the stream? TRE4 C and C++ Quiz practice set 2 257. What will the following C++ code print? TRE4 C and C++ Quiz practice set 3 258. Which loop is most commonly used to traverse every element of a fixed-size C++ array using its index? TRE4 C and C++ Quiz practice set 2 259. Which declaration correctly demonstrates multiple inheritance in C++? TRE4 C and C++ Quiz practice set 3 260. When a built-in array is passed to a function in the usual way, what is generally passed to the function? TRE4 C and C++ Quiz practice set 2 261. What is the output of this PHP code? TRE4 C and C++ Quiz practice set 3 262. What does std::extent<int[5]>::value return in C++? TRE4 C and C++ Quiz practice set 2 263. What will be the output of the following C++ code? TRE4 C and C++ Quiz practice set 3 264. Which operator can be used to access a global variable when it is hidden by a local variable with the same name? TRE4 C and C++ Quiz practice set 2 265. Which statement about constructors in an abstract C++ class is correct? TRE4 C and C++ Quiz practice set 3 266. Which C++ type trait is used to determine whether a type is a reference type? TRE4 C and C++ Quiz practice set 2 267. What is the output of the following C++ program? TRE4 C and C++ Quiz practice set 3 268. What does malloc() return when the requested memory allocation cannot be satisfied? TRE4 C and C++ Quiz practice set 2 269. What is the output of the following C++ program? TRE4 C and C++ Quiz practice set 3 270. Which statement about a nested class in C++ is correct? TRE4 C and C++ Quiz practice set 2 271. What will be the output of the following C program? TRE4 C and C++ Quiz practice set 1 272. Which of the following statements about the sizeof operator in C is correct? TRE4 C and C++ Quiz practice set 1 273. Which type of language uses mnemonic instructions such as MOV, ADD and SUB? TRE4 C and C++ Quiz practice set 3 274. Which of the following is NOT a fundamental principle of object-oriented programming in C++? TRE4 C and C++ Quiz practice set 2 275. Which of the following is a web browser? TRE4 C and C++ Quiz practice set 3 276. What happens when a pure virtual function is declared in a C++ class? TRE4 C and C++ Quiz practice set 2 277. What is source code? TRE4 C and C++ Quiz practice set 3 278. What is the purpose of setting a pointer to nullptr after deleting its dynamically allocated object? TRE4 C and C++ Quiz practice set 2 279. Which of the following is not a valid variable name in C? TRE4 C and C++ Quiz practice set 3 280. What can happen if a program accesses memory through a pointer after the pointed object has been destroyed? TRE4 C and C++ Quiz practice set 2 281. Which software detects and reports many syntax errors in C++ source code? TRE4 C and C++ Quiz practice set 3 282. Which format specifier is normally used with printf() to display an integer value of type int? TRE4 C and C++ Quiz practice set 2 283. What is the main purpose of debugging a C++ program? TRE4 C and C++ Quiz practice set 3 284. What will be the output of the following C++ code? TRE4 C and C++ Quiz practice set 2 285. What is the main purpose of a header guard in C++? TRE4 C and C++ Quiz practice set 3 286. What is the purpose of a nested try block in C++? TRE4 C and C++ Quiz practice set 2 287. What happens if a program dereferences a null pointer in C++? TRE4 C and C++ Quiz practice set 3 288. What will be the output of the following C++ code? TRE4 C and C++ Quiz practice set 2 289. Which of the following is a valid declaration of a character array in C++? TRE4 C and C++ Quiz practice set 3 290. Which of the following can store the address of a function in C++? TRE4 C and C++ Quiz practice set 2 291. What will be the output of the following C++ code using strcat()? TRE4 C and C++ Quiz practice set 3 292. Can a pointer or reference to an abstract class be declared in C++? TRE4 C and C++ Quiz practice set 2 293. What will be the output of the following C++ code? TRE4 C and C++ Quiz practice set 3 294. What is the purpose of a delegating constructor introduced in modern C++? TRE4 C and C++ Quiz practice set 2 295. Which combination opens an existing file for both reading and writing without requesting truncation? TRE4 C and C++ Quiz practice set 3 296. Which operator is normally used to access a public data member of a structure object in C++? TRE4 C and C++ Quiz practice set 2 297. What is the likely result of this code if data.txt does not exist? TRE4 C and C++ Quiz practice set 3 298. Which C++ standard introduced major modern language features such as lambda expressions and auto type deduction? TRE4 C and C++ Quiz practice set 2 299. Which declaration represents a function accepting a pointer to a function that takes an int and returns an int? TRE4 C and C++ Quiz practice set 3 300. Which C++ output stream function is used to write a single character to the output stream? TRE4 C and C++ Quiz practice set 2 301. What is the output of this recursive C++ function? TRE4 C and C++ Quiz practice set 3 302. Which declaration correctly creates a two-dimensional integer array with 3 rows and 4 columns in C++? TRE4 C and C++ Quiz practice set 2 303. What happens when a derived class directly accesses a private member of its base class? TRE4 C and C++ Quiz practice set 3 304. In most expressions, what does the name of a built-in C++ array represent or convert to? TRE4 C and C++ Quiz practice set 2 305. What will be the output of the following PHP code? TRE4 C and C++ Quiz practice set 3 306. Which C++ type trait can be used to remove the outermost array dimension from an array type? TRE4 C and C++ Quiz practice set 2 307. Which statement about constructors in C++ is correct? TRE4 C and C++ Quiz practice set 3 308. What is special about the lifetime of a static local variable in C++? TRE4 C and C++ Quiz practice set 2 309. What is the output of the following C++ program? TRE4 C and C++ Quiz practice set 3 310. Which type trait checks whether a given type is a class type in C++? TRE4 C and C++ Quiz practice set 2 311. Which C++ operator is commonly used for runtime type checking and safe downcasting in a polymorphic class hierarchy? TRE4 C and C++ Quiz practice set 3 312. Which function is commonly used to fill a block of memory with a specified byte value? TRE4 C and C++ Quiz practice set 2 313. Which feature of OOP allows the same interface to represent different underlying implementations? TRE4 C and C++ Quiz practice set 3 314. What is the purpose of a class declaration in C++? TRE4 C and C++ Quiz practice set 2 315. What will be the output of the following C program? TRE4 C and C++ Quiz practice set 1 316. What will be the output of the following C program? TRE4 C and C++ Quiz practice set 1 317. Which translator typically translates an entire source program into machine code or another target form before execution? TRE4 C and C++ Quiz practice set 3 318. Which approach generally starts by designing smaller components and then combines them to form a complete system? TRE4 C and C++ Quiz practice set 2 319. What is the primary function of a web server? TRE4 C and C++ Quiz practice set 3 320. Which statement about multiple inheritance in C++ is correct? TRE4 C and C++ Quiz practice set 2 321. Which statement about object code is correct? TRE4 C and C++ Quiz practice set 3 322. What happens when new cannot allocate the requested memory in its normal form? TRE4 C and C++ Quiz practice set 2 323. Which keyword is commonly used to declare a read-only variable in C++? TRE4 C and C++ Quiz practice set 3 324. Which C++ feature automatically manages dynamically allocated objects and reduces the need for explicit delete statements? TRE4 C and C++ Quiz practice set 2 325. Which symbols are used to enclose a block of statements in C++? TRE4 C and C++ Quiz practice set 3 326. Which of the following statements about identifiers in C and C++ is correct? TRE4 C and C++ Quiz practice set 2 327. What is the full form of IDE in software development? TRE4 C and C++ Quiz practice set 3 328. What is the output of the following C++ expression? TRE4 C and C++ Quiz practice set 2 329. Which of the following is a valid C++ preprocessor directive for defining a macro? TRE4 C and C++ Quiz practice set 3 330. Which statement about the finally block in standard C++ exception handling is correct? TRE4 C and C++ Quiz practice set 2 331. Which statement correctly allocates an array of 10 integers dynamically in C++? TRE4 C and C++ Quiz practice set 3 332. What will be the output of the following C++ code? TRE4 C and C++ Quiz practice set 2 333. What is the last valid index of an array declared as int nums[8]; in C++? TRE4 C and C++ Quiz practice set 3 334. What will be the output of the following C++ code? TRE4 C and C++ Quiz practice set 2 335. What will be the output of the following C++ code using substr()? TRE4 C and C++ Quiz practice set 3 336. In C++, a class containing only pure virtual functions is commonly used to represent which concept? TRE4 C and C++ Quiz practice set 2 337. Which access specifier controls access so that a member can be used within its class and its derived classes, but not directly from unrelated external code? TRE4 C and C++ Quiz practice set 3 338. Which type of constructor is primarily associated with transferring resources from a temporary or expiring object in modern C++? TRE4 C and C++ Quiz practice set 2 339. What does the following C++ program do to an existing file named data.txt? TRE4 C and C++ Quiz practice set 3 340. Which operator is used to access a member through a pointer to a C++ structure object? TRE4 C and C++ Quiz practice set 2 341. Which statement opens a file for binary output? TRE4 C and C++ Quiz practice set 3 342. Which C++ standard introduced the if constexpr feature? TRE4 C and C++ Quiz practice set 2 343. What is the output of this C program? TRE4 C and C++ Quiz practice set 3 344. Which function can be used to check whether the end-of-file condition has been reached on a C++ stream? TRE4 C and C++ Quiz practice set 2 345. What is the output of the following C++ program? TRE4 C and C++ Quiz practice set 3 346. Which declaration creates a character array capable of storing the string "CAT" including its null character? TRE4 C and C++ Quiz practice set 2 347. What is the purpose of virtual inheritance in C++? TRE4 C and C++ Quiz practice set 3 348. Which expression dynamically allocates an array of 10 integers in C++? TRE4 C and C++ Quiz practice set 2 349. What will be the output of this PHP code? TRE4 C and C++ Quiz practice set 3 350. Which C++ type trait removes all array dimensions from an array type? TRE4 C and C++ Quiz practice set 2 351. What will be the output of the following C++ program? TRE4 C and C++ Quiz practice set 3 352. Which statement about a function parameter in C++ is correct? TRE4 C and C++ Quiz practice set 2 353. What is the output of the following C++ program? TRE4 C and C++ Quiz practice set 3 354. What is the purpose of std::is_same in C++? TRE4 C and C++ Quiz practice set 2 355. What happens when a const object attempts to call a non-const member function in C++? TRE4 C and C++ Quiz practice set 3 356. Which function is generally used to copy a specified number of bytes from one memory area to another? TRE4 C and C++ Quiz practice set 2 357. What is the output of the following C++ program? TRE4 C and C++ Quiz practice set 3 358. Which keyword is used to define a class in C++? TRE4 C and C++ Quiz practice set 2 359. What will be the output of the following C program? TRE4 C and C++ Quiz practice set 1 360. What will be the output of the following C program? TRE4 C and C++ Quiz practice set 1 361. Which language-processing approach generally executes program instructions through interpretation rather than requiring a separate compiled executable? TRE4 C and C++ Quiz practice set 3 362. Which of the following is used to hide the internal implementation details of an object in C++? TRE4 C and C++ Quiz practice set 2 363. In web communication, which component typically sends an HTTP request to a web server? TRE4 C and C++ Quiz practice set 3 364. In C++, what is the effect of declaring a member function as final? TRE4 C and C++ Quiz practice set 2 365. Which type of error is commonly detected during compilation? TRE4 C and C++ Quiz practice set 3 366. Which C++ smart pointer provides exclusive ownership of a dynamically allocated object? TRE4 C and C++ Quiz practice set 2 367. Which of the following is a valid variable name in Python? TRE4 C and C++ Quiz practice set 3 368. What is the main purpose of a copy constructor in C++? TRE4 C and C++ Quiz practice set 2 369. Which is the correct syntax for a basic if statement in C++? TRE4 C and C++ Quiz practice set 3 370. Which statement is correct about the case sensitivity of C and C++? TRE4 C and C++ Quiz practice set 2 371. Which of the following is commonly part of building a C++ program? TRE4 C and C++ Quiz practice set 3 372. What will be the value of x after executing the following C++ code? TRE4 C and C++ Quiz practice set 2 373. Which of the following is a common declaration found in a C++ header file? TRE4 C and C++ Quiz practice set 3 374. What happens if no matching catch handler is found for a thrown exception? TRE4 C and C++ Quiz practice set 2 375. What is the result of deleting the same dynamically allocated pointer twice? TRE4 C and C++ Quiz practice set 3 376. What will be the output of the following C++ code? TRE4 C and C++ Quiz practice set 2 377. Which statement correctly describes a fixed-size built-in array in C++? TRE4 C and C++ Quiz practice set 3 378. What will be the output of the following C++ code? TRE4 C and C++ Quiz practice set 2 379. What will be the output of the following C++ code using find()? TRE4 C and C++ Quiz practice set 3 380. What is the purpose of the override specifier in C++? TRE4 C and C++ Quiz practice set 2 381. What will be the output of the following C++ code using default inheritance? TRE4 C and C++ Quiz practice set 3 382. What is the effect of declaring a C++ class constructor as private? TRE4 C and C++ Quiz practice set 2 383. What happens when an input file stream attempts to open a nonexistent file using ios::in? TRE4 C and C++ Quiz practice set 3 384. Which statement is correct regarding the following C++ declarations? TRE4 C and C++ Quiz practice set 2 385. What does the following C++ code do? TRE4 C and C++ Quiz practice set 3 386. Which C++ standard introduced concepts and the ranges library as major modern C++ features? TRE4 C and C++ Quiz practice set 2 387. Which statement about a function returning a pointer is correct in C? TRE4 C and C++ Quiz practice set 3 388. Which C++ stream manipulator forces the output buffer to be flushed? TRE4 C and C++ Quiz practice set 2 389. Which problem can occur when recursion has no reachable base case? TRE4 C and C++ Quiz practice set 3 390. What can happen when a C++ program accesses an array element outside its valid bounds? TRE4 C and C++ Quiz practice set 2 391. What is the output of the following C++ code? TRE4 C and C++ Quiz practice set 3 392. Which operator should be used to release memory allocated using new[] for a C++ array? TRE4 C and C++ Quiz practice set 2 393. Which PHP function checks whether a specified value exists in an array? TRE4 C and C++ Quiz practice set 3 394. What does std::rank<int>::value return in C++? TRE4 C and C++ Quiz practice set 2 395. In a typical C++ implementation, what is the result of sizeof applied to an empty class? TRE4 C and C++ Quiz practice set 3 396. What is the scope of a variable declared in a nested block inside a function? TRE4 C and C++ Quiz practice set 2 397. Consider the following C++ code. Which statement is correct? TRE4 C and C++ Quiz practice set 3 398. Which C++ type trait checks whether a specified type is void? TRE4 C and C++ Quiz practice set 2 399. Which statement correctly describes function overloading and function overriding in C++? TRE4 C and C++ Quiz practice set 3 400. Which header is traditionally associated with malloc(), calloc(), realloc() and free() in C++? TRE4 C and C++ Quiz practice set 2 401. What happens if a derived class inherits publicly from a base class whose public and protected members are accessible? TRE4 C and C++ Quiz practice set 3 402. What does the name of a class primarily represent in C++? TRE4 C and C++ Quiz practice set 2 403. What will be the output of the following C program? TRE4 C and C++ Quiz practice set 1 404. Assume that an integer occupies 4 bytes. What will be the output of the following C program? TRE4 C and C++ Quiz practice set 1 405. Which of the following is an object-oriented programming language? TRE4 C and C++ Quiz practice set 3 406. Which of the following allows the same function name to be used with different parameter lists in C++? TRE4 C and C++ Quiz practice set 2 407. Which HTML element is used to create a hyperlink? TRE4 C and C++ Quiz practice set 3 408. Which inheritance access mode makes public and protected members of the base class remain public and protected in the derived class? TRE4 C and C++ Quiz practice set 2 409. Which of the following are commonly associated with the compilation process? TRE4 C and C++ Quiz practice set 3 410. Which C++ smart pointer allows multiple smart pointers to share ownership of the same object? TRE4 C and C++ Quiz practice set 2 411. Which statement about identifiers in C is correct? TRE4 C and C++ Quiz practice set 3 412. Which situation can lead to a double-delete error in C++? TRE4 C and C++ Quiz practice set 2 413. Which of the following can cause a syntax error in C++? TRE4 C and C++ Quiz practice set 3 414. Which of the following statements about the main() function in a standard C/C++ program is correct? TRE4 C and C++ Quiz practice set 2 415. In classic Turbo C++, which shortcut is used to view the output screen after running a program? TRE4 C and C++ Quiz practice set 3 416. What will be the output of the following C++ code? TRE4 C and C++ Quiz practice set 2 417. Which statement about C++ header files is correct? TRE4 C and C++ Quiz practice set 3 418. Which order is generally used in C++ exception handling? TRE4 C and C++ Quiz practice set 2 419. Which statement correctly describes the difference between new and malloc in C++? TRE4 C and C++ Quiz practice set 3 420. What will be printed by the following C++ code? TRE4 C and C++ Quiz practice set 2 421. What is the output of the following C++ code? int a[3] = {5, 10, 15}; cout << a[0] + a[2]; TRE4 C and C++ Quiz practice set 3 422. Which return type should normally be used for a C++ function that does not return a value? TRE4 C and C++ Quiz practice set 2 423. What will be the output of the following C++ code after appending a character sequence? TRE4 C and C++ Quiz practice set 3 424. Which statement about constructors of abstract classes in C++ is correct? TRE4 C and C++ Quiz practice set 2 425. What will happen when the following C++ code is compiled? TRE4 C and C++ Quiz practice set 3 426. Which statement about the return type of a C++ constructor is correct? TRE4 C and C++ Quiz practice set 2 427. Which statement about combining C++ file-opening modes is correct? TRE4 C and C++ Quiz practice set 3 428. Which feature is supported by a structure in C++ but is not supported by a traditional structure in C? TRE4 C and C++ Quiz practice set 2 429. Which file opening mode combination requests both input and output in binary mode? TRE4 C and C++ Quiz practice set 3 430. Which sequence correctly represents the development order of these C++ standards? TRE4 C and C++ Quiz practice set 2 431. What does the following declaration mean in C? TRE4 C and C++ Quiz practice set 3 432. What happens when the extraction operator cin >> is used to read a string containing spaces? TRE4 C and C++ Quiz practice set 2 433. What is the output of the following C++ code? TRE4 C and C++ Quiz practice set 3 434. Which C++ feature can be used to conveniently iterate over all elements of an array without explicitly using an array index? TRE4 C and C++ Quiz practice set 2 435. What is the output of the following C++ code using virtual functions and inheritance? TRE4 C and C++ Quiz practice set 3 436. Which C++ Standard Library container provides a fixed-size array with useful member functions such as size()? TRE4 C and C++ Quiz practice set 2 437. What will be the output of the following PHP code? TRE4 C and C++ Quiz practice set 3 438. Which statement correctly describes C++ type traits such as std::rank? TRE4 C and C++ Quiz practice set 2 439. Which object-oriented programming principle combines data and the functions that operate on that data into a single unit? TRE4 C and C++ Quiz practice set 3 440. Which statement correctly distinguishes scope and lifetime of a variable in C++? TRE4 C and C++ Quiz practice set 2 441. Which statement about a pure virtual function in C++ is correct? TRE4 C and C++ Quiz practice set 3 442. What does std::is_pointer<int>::value return in C++? TRE4 C and C++ Quiz practice set 2 443. What is the output of the following C++ program? TRE4 C and C++ Quiz practice set 3 444. Which statement about realloc() is correct? TRE4 C and C++ Quiz practice set 2 445. Consider the following C++ code. Which statement is correct? TRE4 C and C++ Quiz practice set 3 446. Which statement about a class object in C++ is correct? TRE4 C and C++ Quiz practice set 2 447. Which of the following statements about arrays and pointers in C is correct? TRE4 C and C++ Quiz practice set 1 448. Which of the following statements about sizeof and expressions in C is correct? TRE4 C and C++ Quiz practice set 1