Explore topic-wise MCQs in Company QA.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Company QA knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the use of header

A. Contains the standard exception files
B. Contains the standard library files
C. It is used to arise an exception in the program
D. Reduce the memory size
Answer» B. Contains the standard library files
Discussion
2.

Pick out parameter for rehash method in unordered_set in c++?

A. count
B. size
C. hash
D. type
Answer» B. size
Discussion
3.

What is meant by standard c++ library?

A. It is the collection of class definitions for standard data structures and a collection of algorithms
B. It is a header file
C. Collection of algorithms
D. Step by step process
Answer» B. It is a header file
Discussion
4.

Pick out the wrong header file.

A. <algorithm>
B. <containers>
C. <iterators>
D. <process>
Answer» E.
Discussion
5.

Pick out the wrong header file about strings.

A. <string>
B. <regex>
C. <ios>
D. <reg>
Answer» D. <reg>
Discussion
6.

WHAT_IS_MEANT_BY_STANDARD_C++_LIBRARY??$

A. It is the collection of class definitions for standard data structures and a collection of algorithms
B. It is a header file
C. Collection of algorithms
D. None of the mentioned
Answer» B. It is a header file
Discussion
7.

Pick out the wrong header file?

A. <algorithm>
B. <containers>
C. <iterators>
D. <process>
Answer» B. <containers>
Discussion
8.

What is meant by vector in the container library contains?

A. It is a sequence container that encapsulates dynamic size arrays
B. It is a sequence container that encapsulates static size arrays
C. It manages the memory
D. None of the mentioned
Answer» E.
Discussion
9.

Which is best for coding the standard library for c++?

A. no trailing underscores on names
B. complex objects are returned by value
C. have a member-swap()
D. all of the mentioned
Answer» D. all of the mentioned
Discussion