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Exam (elaborations)

COSC 1436 Test Questions with Revised Answers

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  • Course
  • COSC 1436
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  • COSC 1436

COSC 1436 Test Questions with Revised Answers What is the output of the following code? Let text = "hello" Print ("text") - Answer-Text When creating macOS or IOS swift projects, the code is written in plain text files with what file extension? - Answer-.swift What is the name of the defa...

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  • August 29, 2024
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  • COSC 1436
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COSC 1436 Test Questions
with Revised Answers
What is the output of the following code?
Let text = "hello"
Print ("text") - Answer-Text

When creating macOS or IOS swift projects, the code is written in plain text files with
what file extension? - Answer-.swift

What is the name of the default swift source code file (if you do not change the name)? -
Answer-Main.swift

What does it mean to "declare" something in programming? - Answer-To give name to
something for the first time.

This is an example of // print (name) - Answer-A comment

Spaces are allowed when naming constants. For example let Number of Lost Dogs =
100 - Answer-False

What is the output of the following statement. Let x = "He said, \"hi there!\"" - Answer-He
Said, "Hi there!"

In swift, a names is formally called an ______________. - Answer-Identifier

Xcode keeps track of all the names you've defined; therefore, when you start typing,
you'll see a menu of suggested names (the names it knows about). This is called
___________________ - Answer-Auto completion

The following message is using___________. Let message = "Hello\(first name)" -
Answer-String interpolation

Let num = 10. When you define a constant in Swift, as in the example above, you are
____________ a constant: - Answer-Declaring

The answer to the following. 1000/0 - Answer-Error. In math you cannot divide by zero.

The \ in the following code is being used as an _________. Let startOfPoem = "roses
are red.\ nViolets are blue." - Answer-Escape character.

, In the statement below, the word let is an. Let num = 10 - Answer-Interger

The = is referred to as an ___________ operator. - Answer-Assignment

True - Answer-Unicode is an international standard that can represent almost any
character from any language in a standard way. Strings in swift are fully Unicode-
compliant.

A " line of code" is more formally known as a ___________ - Answer-Statement

Which indemnified uses listed below uses camel case naming - Answer-Answer:
numberLostDogs

Why is there an error in the following code?

Let myFirstName= "\Frank\""
Print (myFirstName) - Answer-The constant myFirstname does not exist (it needs a
capital N)

What is the result of this expression "10"+"2" - Answer-"102"

What is the purpose of the escape character? - Answer-Treating the character
imminently following the escape in a special way

What is the escape character in swift? - Answer-\

What is a character in swift programming? - Answer-Any of the 128,000+ Unicode
symbols that make up a string
(Letter, number,accents, emojis, punctuation, etc)

Which of these are strings - Answer-"99%" "99" "98.02" "happy birthday, my friend!"
"2014"

Imagine you're writing a program for a local dealership to calculate car loan information.
The program can be reused with different customers. Which of the following would best
represent the variable? - Answer-Customer salary

What is the file extension of Xcode playground files? - Answer-.playground

Xcode is an interactive environment that can be used to learn, test, and evaluate swift
code - Answer-True

On which of these operating systems can you install Xcode? - Answer-OS X (MAC OS)

Another name for computer error is insect. - Answer-False (bug)

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