SDF-1 Quiz

What is the result of the expression 2 * 3 - 4 / 2 in C++?

• 4

• 5

• 6

• 7

In C, what is the value of sizeof(char) on a typical system?

• 1

• 2

• 4

• 8

What is the output of the following code snippet in C?

int x = 5;

int y = x++;

cout << x << " " << y;

• 5 5

• 6 5

• 6 6

• 5 6

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

• long double

• wchar_t

• byte

• unsigned int

What is the result of the expression (5 > 3) ? 1 : 0 in C?

• 1

• 0

• True

• False

What is the output of the following code in C?

int i = 1;

do {

cout << i << " ";

i++;

} while (i <= 5);

• 1 2 3 4 5

• 1 2 3 4

• 1 2 3

• 1

What does the following C code snippet do?

int i = 0;

while (i < 5) {

i++;

if (i % 2 == 0)

continue;

cout << i << " ";

}

• It prints even numbers from 1 to 5.

• It prints odd numbers from 1 to 5.

• It does not print anything

• It results in a compilation error.

What is the output of the following code in C?

int i = 2;

switch (i) {

case 1:

cout << "One";

break;

case 2:

cout << "Two";

case 3:

cout << "Three";

break;

}

• Two

• TwoThree

• Three

• It results in a compilation error.

What is the output of the following code in C?

int x = 5;

int y = (x++) + (++x);

cout << x << " " << y;

• 5 9

• 6 10

• 6 11

• 7 11

What is the output of the following code in C?

int x = 5;

int y = 3;

cout << (x ^= y) << " " << (x &= y);

• 2 3

• 6 3

• 6 2

• 3 6