Conditionals Quiz

Sequential logic and selection logic are examples of _______________.

• Logical Operators

• Logic Structures

• Control Structures

Which of these is a conditional in C# coding?

• for loop
• while loop
• switch statement
• if statement

(T/F) A keyword in C# is a predefined, reserved word that has special meaning and cannot be used as an identifier.

• True

• False

Which statement occurs first when the following code is run?

int a = 5;

int b = 2;

• int a = 5;

• int b = 2;

• Both occur simultaneously

• Nothing happens

What would the value of x be after the following code is run?

int x = 5;

if (x >= 2){

x -= 2;

}

else{ x += 2; }

• 5

• 3

• 2

• 0

What would the value of x be after the following code is run?

int x = 0;

if (x > 0)

{ x++; }

else if (x < 0)

{ x--; }

else{ x *= 10; }

• 1

• -1

• 0

• 10

What is the value of playerStatus after the following code is run?

string playerStatus = "Idle";

float playerVelocity = 5.0f;

if (playerStatus == "Idle")

{ if (playerVelocity > 0.0f)

{ playerStatus = "Moving"; }

else if (playerStatus == "Moving")

{ if (playerVelocity == 0.0f)

{ playerStatus = "Idle"; } }

• Moving

• Idle

• Null

What would be printed when the following code is run?

float damage = 5.0f;

float health = 3.0f;

int lives = 3; health -= damage;

if (health <= 0.0f && lives <= 1)

{ print("Out of lives."); lives--; }

else if (health <= 0.0f && lives == 2)

{ print("Only one life left!"); lives--; }

else{ print(--lives + " lives left."); }

• Out of lives

• Only one life left!

• 2 lives left.

• 3 lives left

In the following code what is the scope of variable w?

int a = 1;

int b = 1;

if (a >= b)

{ if (a == b)

{ int w = a * b; } }

• w exists throughout the code.

• w only exists if a > b

• w exists on every line after if (a == b)

• w only exists inside the if (a == b) statement.

What is the value of x after the following code is run?

int x = 0;

int a = 1;

if (a >= 0)

{ x += a++; }

if (a > 1 && a != x){ x *= ++a; }

else if (a <= 1 && a != x){ x -= a; }

• 1

• 2

• 3

• 4