TEB2132 Lecture 3 Quiz

Which one is NOT a control structure in C++?

• Sequence

• Repetition

• Execution

• Selection

What is the type of operator != in C++?

• relational

• equality

• logical

• expression

A logical expression && returns 1 (true) if

• Both operands are 1 (true)

• Both operands are 0 (false)

• One operand is 1 (true)

• One operand is 0 (false)

Which operator is commonly used in an if condition to check equality in C++?

• =

• !=

• ===

• ==

Which keyword is used to exit a switch case immediately after executing a statement?

• exit

• break

• stop

• return

What will happen if the break statement is omitted in a switch case?

• Program ends immediately

• Only the current case runs

• Execution continues into the next case

• Compilation error

Which of the following data types can be used in a switch statement in C++?

• bool

• char

• float

• double

Which statement is true about if–else and switch?

• if–else is used for range-based conditions, while switch works with discrete values.

• switch can handle conditions with < or >.

• Both can only be used with integers.

• Both are identical in functionality.

What is the default block in a switch statement used for?

• To terminate the program

• To execute all cases together

• To execute if no case matches

• To initialize variables

Find the output:

char ch = 'b';

switch (ch) {

    case 'a': cout << "Apple"; break;

    case 'b': cout << "Ball"; break;

    case 'c': cout << "Cat"; break;

    default: cout << "None";

}

• Apple

• Ball

• Cat

• None