Butula TVC DICT II Object Oriented programming Quiz

What is the purpose of decision-making statements in programming?

• To define variables

• To create loops in the program

• To specify conditions for code execution

• To execute code without conditions

What does the 'if' statement in C++ require?

• A boolean expression and a loop

• A boolean expression and one or more statements

• A boolean expression and a single statement

• Only a boolean expression

What will happen if the boolean expression in an 'if' statement evaluates to false?

• The program will terminate

• The code inside the 'if' block will execute

• The code after the 'if' statement will execute

• The 'else' block will execute

In an 'if...else' statement, what does the 'else' block do?

• Is optional and can be omitted

• Always executes regardless of the condition

• Executes when the 'if' condition is true

• Executes when the 'if' condition is false

What is the output of the following code if the input is -5? 'if (X > 0) { Z = X + 10; } else { Z = 2 * X + 50; }'

• Z = 0

• Z = 40

• Z = -10

• Z = 10

What does the switch statement allow a programmer to do?

• Handle exceptions

• Define functions

• Create loops

• Choose between multiple alternatives based on an expression

In the switch statement, what does the 'default' case represent?

• A case that always executes

• A case that executes if no other cases match

• The last case in the switch

• The first case in the switch

What will the following code output if the input is 3? 'if (d == 3) cout << "Tues.";'

• Tues.

• ERROR !!!

• Mun.

• Fri.

What is the purpose of the 'break' statement in a switch case?

• To skip to the next case

• To repeat the current case

• To terminate the current case and exit the switch

• To exit the program

What will the output of the following code be? 'x = ++y + ++z;' if x, y, z are initialized to 0.

• 2

• 3

• 1

• 0