Quiz-1-Set-1-OOPs-CPP

What does "C++" represent in the name of the language?

• Class++
• C version 2
• Increment operator (++), symbolizing evolution
• C with pointers

Which operator is used with cout for output?

• &&
• >>
• <<
• ->

The keyword endl in C++ is used to:

• End the program
• Exit a loop
• Close the file
• Insert newline and flush buffer

Which of the following is NOT a valid data type in C++?

• signed char
• long double
• short int
• unsigned float

What is the use of setw() in C++?

• Swap two variables
• Write to file
• Set environment variable
• Set width for output formatting

What is the keyword used for decision making in C++?

• All of the above
• switch
• if
• else

Which is the correct way to declare an array in C++?

• int array(5);
• int array[5];
• array int[5];
• int[5] array;

Which construct is used to run code at least once regardless of condition?

• for
• do-while
• while
• if-else

What is the output of swapping via pointer if a=10, b=20?

• Error
• Garbage values
• a=10, b=20
• a=20, b=10

Which keyword is used to create a function pointer?

• pointer
• *
• link
• ref