Explore topic-wise MCQs in C++ Programming.

This section includes 160 Mcqs, each offering curated multiple-choice questions to sharpen your C++ Programming knowledge and support exam preparation. Choose a topic below to get started.

101.

Which of the following library is used to do vector arithmetic?

A. OpenGL
B. Boost
C. Time
D. All of above
E. None of these
Answer» C. Time
Discussion
102.

What kind of errors do checked iterators detect?

A. Initialized iterators
B. Uninitialized iterators
C. Range access
D. Both Uninitialized iterators and range access
E. None of these
Answer» E. None of these
Discussion
103.

What does the checked iterator allow you to find?

A. Run time error
B. Warnings
C. Compile time error
D. All of above
E. None of these
Answer» B. Warnings
Discussion
104.

What is the use of includes function in c++?

A. Includes a new element in the range
B. Compares two ranges of data
C. Compares two sorted ranges of data
D. All of above
E. None of these
Answer» D. All of above
Discussion
105.

How many types are there in binary heaps?

A. 4
B. 3
C. 2
D. 1
E. None of these
Answer» D. 1
Discussion
106.

In what form does the STL provides heap?

A. list
B. vector
C. priority_queue
D. queue
E. None of these
Answer» D. queue
Discussion
107.

What do all STL containers define?

A. Begin methods
B. End methods
C. Iterator types
D. All of above
E. None of these
Answer» E. None of these
Discussion
108.

What is the header file used for declaring the standard library algorithms?

A. algorithm
B. library
C. container
D. All of above
E. None of these
Answer» B. library
Discussion
109.

What is the use of make_heap in the heap operation?

A. Deform a heap
B. Form a heap
C. Rearrange a heap
D. All of above
E. None of these
Answer» C. Rearrange a heap
Discussion
110.

How many kind of operation can be applied to transform method in c++?

A. 4
B. 3
C. 2
D. 1
E. None of these
Answer» D. 1
Discussion
111.

What operator is used to remove the dupplicates in the range?

A. ==
B. %
C. ^
D. )
E. None of these
Answer» B. %
Discussion
112.

What is meant by sequence point?

A. Represent the beginning of the program
B. Represent the point of execution in the program
C. Represent the whole program
D. All of above
E. None of these
Answer» C. Represent the whole program
Discussion
113.

How to protect the heap from affecting the memory?

A. Allocate objects in chunks
B. Avoid using pointers for associating two data structures
C. Embed pointed child objects into the parent object
D. All of above
E. None of these
Answer» E. None of these
Discussion
114.

Which is used to iterate over container?

A. Data type of objects
B. Return type of variables
C. Associated iterator type
D. All of above
E. None of these
Answer» D. All of above
Discussion
115.

How does a sequence of objects are accessed in c++?

A. function
B. Iterators
C. Pointers
D. Both Iterators & Pointers
E. None of these
Answer» E. None of these
Discussion
116.

What is the use of adapter in STL in c++?

A. To manipulate the data
B. To extract the data
C. To provide interface
D. All of above
E. None of these
Answer» D. All of above
Discussion
117.

Pick out the incorrect method in non-modifying sequence algorithm?

A. like
B. any-of
C. none-of
D. find-if
E. None of these
Answer» B. any-of
Discussion
118.

To what kind of elements does non-modifying sequence algorithm can be applied?

A. List
B. Range
C. Vector
D. All of above
E. None of these
Answer» C. Vector
Discussion
119.

What is the use of middle parameter in rotate method?

A. Marks the ending of a sequence
B. Marks the elements in a sequence
C. Marks the begining of a sequence
D. All of above
E. None of these
Answer» C. Marks the begining of a sequence
Discussion
120.

When does the next sequence point start?

A. It is a beginning statement
B. At the beginning
C. After a terminating semicolon
D. All of above
E. None of these
Answer» D. All of above
Discussion
121.

What will happen in all_of method if the range is empty?

A. Return nothing
B. Return true
C. Return false
D. All of above
E. None of these
Answer» C. Return false
Discussion
122.

What kind of iteration does forward_list provide in C++?

A. Bi-directional
B. Multi-directional
C. Uni-directional
D. All of above
E. None of these
Answer» D. All of above
Discussion
123.

Pick out the correct library in the following choices.

A. Numeric
B. Search
C. Generate
D. All of above
E. None of these
Answer» E. None of these
Discussion
124.

What is the type of the first item in the heap?

A. Mean value of the heap
B. Bigger than others
C. Lower than others
D. All of above
E. None of these
Answer» D. All of above
Discussion
125.

What are the design requirements for building a container from the scratch?

A. Allocator interface requirements
B. Iterator requirements
C. Container interface requirements
D. All of above
E. None of these
Answer» E. None of these
Discussion
126.

What kind of library is Standard Template Library?

A. Inheritable
B. Polymorphic
C. Generic
D. Both Polymorphic & Generic
E. None of these
Answer» E. None of these
Discussion
127.

What do maps and sets support?

A. No any directional iterators
B. Single directional iterators
C. Bi-directional iterators
D. Single directional & Bi-directional iterators
E. None of these
Answer» D. Single directional & Bi-directional iterators
Discussion
128.

How many instance are allowed by map and set while inserting a element into container?

A. Multiple
B. 3
C. 2
D. 1
E. None of these
Answer» E. None of these
Discussion
129.

By using which of the following the elements in the associate container can be efficiently accessed?

A. Array
B. Key
C. Position
D. Both Key & Position
E. None of these
Answer» C. Position
Discussion
130.

What do associate containers implement?

A. Associative arrays
B. Functional Arrays
C. Arrays
D. All of above
E. None of these
Answer» B. Functional Arrays
Discussion
131.

Which operator is used in priority queue?

A. operator>
B. operator)
C. operator<
D. All of above
E. None of these
Answer» D. All of above
Discussion
132.

In which context does the stack operates?

A. Random
B. FIFO
C. LIFO
D. Both FIFO & LIFO
E. None of these
Answer» D. Both FIFO & LIFO
Discussion
133.

Which of the following does not support any insertion or deletion?

A. List
B. Dequeue
C. Array
D. Vector
E. None of these
Answer» D. Vector
Discussion
134.

How the list containers are implemented?

A. Using Single linked list
B. Using Double linked list
C. Using Single & Double linked list
D. All of above
E. None of these
Answer» C. Using Single & Double linked list
Discussion
135.

Which of the following will return the new element at the end of container?

A. pop_back
B. push_back
C. front
D. back
E. None of these
Answer» E. None of these
Discussion
136.

Which of the following class template are based on arrays?

A. dequeue
B. vector
C. both dequeue & vector
D. list
E. None of these
Answer» D. list
Discussion
137.

How many items are there in sequence container?

A. 5
B. 4
C. 3
D. 2
E. None of these
Answer» B. 4
Discussion
138.

Which is optional in the declaration of vector?

A. Number_of_elements
B. Vector
C. Name
D. Type
E. None of these
Answer» B. Vector
Discussion
139.

Pick out the correct statement about vector.

A. vector values (10)
B. vector<int> (10)
C. vector<int> values (10)
D. All of above
E. None of these
Answer» D. All of above
Discussion
140.

Which are the parameters for the content of the buffer?

A. new
B. start
C. finish
D. both start & finish
E. None of these
Answer» E. None of these
Discussion
141.

Which of the following type does the container should define?

A. Vector type
B. Storage type
C. Iterator type
D. All of above
E. None of these
Answer» D. All of above
Discussion
142.

How many sets of requirements are need in designing a container?

A. 4
B. 3
C. 2
D. 1
E. None of these
Answer» C. 2
Discussion
143.

What is meant by type_info?

A. Used to hold the type information returned by the dynamic_cast
B. Used to hold the type information returned by the static_cast
C. Used to hold the type information returned by the typeid operator
D. All of above
E. None of these
Answer» D. All of above
Discussion
144.

Which is used to solve the memory management problem in c++?

A. arrays
B. stack
C. smart pointers
D. All of above
E. None of these
Answer» D. All of above
Discussion
145.

What is meant by garbage collection?

A. Used to replace the variables
B. The form of manual memory management
C. The form of automatic memory management
D. All of above
E. None of these
Answer» D. All of above
Discussion
146.

What can go wrong in resource management on c++?

A. Exhaustion
B. Dangling
C. Leakage
D. All of above
E. None of these
Answer» E. None of these
Discussion
147.

How many types of models are available to create the user-defined data type?

A. 4
B. 3
C. 2
D. 1
E. None of these
Answer» D. 1
Discussion
148.

What is the scope of typedef defined data types?

A. outside the program
B. inside that block only
C. whole program
D. All of above
E. None of these
Answer» B. inside that block only
Discussion
149.

How many types of user-defined data type are in c++?

A. 4
B. 3
C. 2
D. 1
E. None of these
Answer» C. 2
Discussion
150.

Which keyword is used to define the user defined data types?

A. union
B. def
C. type
D. typedef
E. None of these
Answer» E. None of these
Discussion