What is the escape character for?
Apple Swift Coding I - Lesson 3 - 4

Quiz
•
Computers
•
9th - 12th Grade
•
Medium
Used 9+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these is the escape character for coding in Swift?
/
\
!
'
ESC
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a character in programming?
A distinguished coder like Ada Lovelace or Alan Turing
A letter from A to Z
A piece of a string like a letter punctuation mark, or number
The first 140 ADCII symbols
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of the expression "1" + "1"
Hint: Not sure? Open the Strings playground, type it in and try it. That's not cheating: programmers try out little bits of code in Playgrounds all the time.
2
"2"
11
"11"
"1 1"
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these are strings?
let myLuckyNumber = 42
"\"Curiouser and curiouser,\" said Alice."
Neither
Both A and B
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these are strings?
"$9.99"
"100%"
Neither
Both A and B
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