12A and C version 1 Final Semester 1 Exam

What is the correct syntax to declare an integer variable in C++?

• int num;

• integer num;

• var num;

• num int;

What will the following code output? int x = 5, y = 10; cout << x + y;

• 10

• 15

• 50

• Error

Which of the following loops executes at least once, regardless of the condition?

• for loop

• while loop

• do-while loop

• None of the above

What will the following code print? int a = 8; if (a % 2 == 0) cout << "Even"; else cout << "Odd";

• Even

• Odd

• 8

• Error

What is the output of this code? for (int i = 0; i < 3; i++) cout << i << " ";

• 0 1 2

• 1 2 3

• 0 1 2 3

• Error

Which operator is used for multiplication in C++?

• /

• *

• %

• #

What is the value of x after the following code executes? int x = 5; x += 10;

• 5

• 10

• 15

• 50

What does the following condition check? if (a > b)

• Whether a is greater than or equal to b.

• Whether a is equal to b.

• Whether a is less than b.

• Whether a is greater than b.

What type of variable should you use to store a decimal value?

• int

• float

• bool

• char

What is the output of this loop? int i = 0; while (i < 5) { cout << i; i++; }

• 01234

• 12345

• 1234

• Error