Swift Unit 2

What best describes an algorithm?

• Only calculations that use advanced mathematics

• The computer equivalent of rhythm

• A step by step series of operations

• The same thing as an identifier

Which of the following is not a benefit of using functios?

• They can give you infinite loops

• They keep your code organized.

• They prevent repeated code

• They make larger programs easier to understand

With the following code, what would you expect to see in the console in a playground?

func saySomething ( ) {

print ("Functions are awesome")

saySomething( )

}

saySomething ( )

• Functions are awesome, once

• Functions are awesome, twice

• Functions are awesome, repeated over and over and over

• Nothing

With the following code, what would you expect to see in a console playground?

func saySomething ( ) {

print ("Functions are awesome")

}

saySomething ( )

• saySomething

• Functions are awesome

• Nothing

• Something

With the following code, what would you expect to see in the console in a playground?

func saySomething ( ) {

print ("Functions are awesome")

}

• Functions are awesome

• saySomething

• Something

• Nothing

What's another word for the lines of code that a function contains?

• Body

• Clause

• Parameters

• Return Value

Which line is the correct way to declare a function?

• let myFunction = func ( ) {

• let func = myFunction ( ) {

• func myFunction ( ) {

• func = myFunction ( ) {

Which of these is the escape character for coding in Swift?

• /

• \

• !

• '

• ESC

What is the escape character for?

• Undoing the last program command

• Telling the computer to quit an app

• Skipping the rest of the string

• Treating the next character in a special way

The second line below has a "use of unresolved identifier" error. What does that mean?

• Names need to match capital and lowercase letters; it should be playgroundName

• playGroundName isn't a String

• The string interpolation is done wrong; it should use a /

• You can't repeat names