PL1 PRELIM EXAM

What is the purpose of the "cout" object in C++?

• Console output
• File output
• Conditional output
• Character output

What is the answer in this statement; age >=18 && age <=100 if the age is 12?

• True

• False

• N/A

• Undefined

How do you comment a single-line in C++?

• // comment
• /* comment */
• -- comment
• ## comment

Which keyword is used to define a constant in C++?

• const
• constant
• define
• final

What does the "new" operator in C++ do?

• Allocates memory for variables
• Deletes a variable
• Initializes a variable
• Performs mathematical operations

What is the purpose of the "endl" in C++?

• Ends the program
• Ends a loop
• Ends a function
• Inserts a newline character and flushes the stream

Which function is used to get the length of a string in C++?

• strlen()
• length()
• size()
• strlength()

What is the scope resolution operator in C++?

• ::
• ->
• :
• .

What is the purpose of the "break" statement in C++?

• Terminates the program
• Exits the current loop or switch statement
• Jumps to a specified label
• Skips the next iteration of a loop

Which of the following is the correct way to declare a constant pointer in C++?

• const int* ptr;
• int* const ptr;
• const int* const ptr;
• int const* ptr;