Test Series - cpp

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Test Number 52/102

Q: What is meant by garbage collection?
A. The form of manual memory management
B. The form of automatic memory management
C. Used to replace the variables
D. Used to delete the variables
Solution: The garbage collection attempts to reclaim memory occupied by objects that are no longer in use by the program.
Q: What are the operators available in C++ for dynamic allocation and de-allocation of memories?
A. new
B. delete
C. compare
D. both new & delete
Solution: new and delete operators are mainly used to allocate and deallocate during runtime.
Q: Which is used to solve the memory management problem in c++?
A. smart pointers
B. arrays
C. stack
D. queue
Solution: In C++, smart pointers are used to manage memory issues like deallocate memory after use, checking bounds, etc.
Q: Which is used to handle the exceptions in c++?
A. catch handler
B. handler
C. exception handler
D. throw
Solution: Exception handler is used to handle the exceptions in c++.
Q: Which type of program is recommended to include in try block?
A. static memory allocation
B. dynamic memory allocation
C. const reference
D. pointer
Solution: While during dynamic memory allocation, Your system may not have sufficient resources to handle it, So it is better to use it inside the try block.
Q: Which statement is used to catch all types of exceptions?
A. catch()
B. catch(Test t)
C. catch(…)
D. catch(Test)
Solution: This catch statement will catch all types of exceptions that arises in the program.
Q: How to handle error in the destructor?
A. throwing
B. terminate
C. both throwing & terminate
D. try
Solution: It will not throw an exception from the destructor but it will the process by using terminate() function.
Q: What kind of exceptions are available in c++?
A. handled
B. unhandled
C. static
D. dynamic
Solution: unhandled kind of exceptions are available in c++.
Q: What is meant by exception specification?
A. A function is limited to throwing only a specified list of exceptions
B. A catch can catch all types of exceptions
C. A function can throw any type of exceptions
D. A try can catch all types of exceptions
Solution: C++ provides a mechanism to ensure that a given function is limited to throwing only a specified list of exceptions. It is called an exception specification.
Q: Identify the correct statement about throw(type).
A. A function can throw any type of exceptions
B. A function can throw an exception of certain type only
C. A function can’t throw any type of exception
D. A function can catch all types of exceptions
Solution: A function can throw an exception of certain type only.

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