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What is the function of the ‘return’ statement in programming?
A. Terminates a function and returns a value
B. Ends a loop
C. Stores a value in memory
D. Defines a function
Answer: Terminates a function and returns a value
In Python, what is the correct syntax to open a file for writing?
A. open('file.txt', 'w')
B. open('file.txt', 'write')
C. open('file.txt', 'r+')
D. open('file.txt', 'rw')
Answer: open('file.txt', 'w')
Which method is used to compare two strings in Java?
A. equals()
B. compareTo()
C. strComp()
D. match()
Answer: equals()
What is the return type of the `main` function in C?
A. void
B. int
C. float
D. None
Answer: int
What is the correct way to define an array in Java?
A. int[] arr = {1, 2, 3};
B. array int arr = {1, 2, 3};
C. int arr[] = (1, 2, 3);
D. arr[] = new int(1, 2, 3);
Answer: int[] arr = {1, 2, 3};
Which operator in C++ is used to allocate memory dynamically?
A. malloc
B. new
C. create
D. alloc
Answer: new
In JavaScript, how do you round a number to the nearest integer?
A. Math.round()
B. round()
C. Math.floor()
D. ceil()
Answer: Math.round()
In C++, which operator is used to deallocate memory?
A. delete
B. free
C. remove
D. erase
Answer: delete
Which keyword is used to define an abstract method in Java?
A. abstract
B. void
C. static
D. virtual
Answer: abstract