SWIFT Playground - Week 4

What do you call the following block of code?

func moveLong

{

moveForward()

moveForward()

moveForward()

}

• Function

• Condition

• Conditional code

• Loop

Which of the following represents a value that can only be either true or false?

• Character
• Double
• Integer
• Boolean

How many conditions are used in the following code segment?

• 1

• 2

• 3

• 4

Which of the following is the operator that is used in the code fragment above to invert the value of a Boolean condition?

• if

• else

• !

• &&

Which of the following commands will be executed if the tile is blocked (isBlocked) according to the above code?

• collectGem()

• moveForward()

  turnLeft()

• turnLeft()

• moveForward

How many Gems in the puzzle above will be collected according to the above code fragment?

• 1

• 2

• 3

• 4

Which of the following is considered a condition in the above code?

• isOnGem

• moveForward()

• collectGem()

• turnLeft()

Which of the following runs the same set of commands a certain number of times until a condition is met in the following code segment?

for i in 1…15 {

moveForward()

if isOnGem

{ collectGem() }

else { turnLeft}

}

• turnLeft()

• collectGem()

• inOnGem

• for i in 1...15

How many conditions are used in the following code segment?

if isOnGem{

collectGem()

moveForward()

turnLeft() }

if isOnClosedSwitch

{ toggleSwitch() }

• 1

• 2

• 3

• 4

How many times will the loop in the following code segment repeat?

for i in 1…15 {

moveForward()

if isOnGem {

collectGem()

}

else

{ turnLeft()}

}

• 1

• 10

• 14

• 15