Best MCQs on Programming Languages

Which operator is used to access members of a structure through a pointer?

• . (dot)

• -> (arrow)

• * (asterisk)

• & (ampersand)

In C++, what is the diamond problem related to?

• Templates

• Multiple Inheritance

• Exception Handling

• Pointers

Which smart pointer maintains shared ownership in C++?

• unique_ptr

• shared_ptr

• weak_ptr

• auto_ptr

What is the difference between malloc and new in C++?

• malloc calls constructors, new does not

• new calls constructors, malloc does not

• Both call constructors

• None of the above

Which of the following best describes RAII in C++?

• Memory allocation after runtime

• Resource management using constructors/destructors

• Run-time access of interface inheritance

• None of the above

Which of the following is immutable in Python?

• List

• Dictionary

• Tuple

• Set

What does the is operator check?

• Value equality

• Identity (same memory location)

• Data type

• None of the above

Which of the following is NOT a Python keyword?

• pass

• eval

• with

• finally

What does the @decorator syntax represent?

• An iterator

• A generator

• A decorator function

• A lambda function

The Global Interpreter Lock (GIL) in Python prevents:

• Multithreading

• Multiprocessing

• Compiling

• Memory leaks