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Which Python keyword is used to handle exceptions?
A. except
B. try
C. catch
D. handle
Answer: except
In JavaScript, what is the output of ‘5’ + 2?
A. 52
B. 7
C. TypeError
D. None of the above
Answer: 52
What is the default access specifier for class members in C++?
A. private
B. public
C. protected
D. static
Answer: private
Which of the following is used to check for a key in a Python dictionary?
A. has_key()
B. in
C. exists
D. contains
Answer: in
In C++, which of the following is used to deallocate memory?
A. free()
B. delete
C. remove()
D. destroy()
Answer: delete
In Java, which method is used to start a thread?
A. start()
B. run()
C. begin()
D. init()
Answer: start()
In C, how is dynamic memory allocation done?
A. malloc()
B. calloc()
C. realloc()
D. All of the above
Answer: All of the above
Which of the following is not a valid looping construct in Python?
A. for
B. while
C. do-while
D. None of the above
Answer: do-while
What is the default scope of variables declared inside a function in JavaScript?
A. Global
B. Block
C. Function
D. Module
Answer: Function