Intro to CS Test 1

A vibrant illustration of Karel the Robot navigating a digital environment, interacting with objects and commands, with a playful and educational theme.

Karel's Coding Challenge: An Introductory Quiz

Test your knowledge of programming concepts and Karel the Robot commands with this engaging quiz! Whether you're a beginner or just looking to refresh your skills, this quiz covers essential introductory computer science topics.

Multiple choice questions
Designed for students and coding enthusiasts
Track your understanding of Karel and JavaScript fundamentals

20 Questions5 MinutesCreated by CodingCheetah42

Karel is facing north (up) and she executes two turnLeft(); commands. Which direction is she facing now?

She remains facing North

She is currently facing south

East? I thought you said weast.

No, she is facing west, patrick..

Assuming Karel doesn't know the turnRight(); command, how many times would she turn left, in order to turn right?

Why do we use functions in programming?

Break down our program into smaller parts

Avoid repeating code

Make our program more readable

All of the above

What is a code comment?

A way for codeHS to give you real time feedback

A way to give the reader ideas as to what the code does

A way for codeHS to alert you if you make mistakes in your code

Im not sure :(

Why do we use if/else statements in Javascript?

To do something if a condition is true and something else if that condition is false.

To do snippets of code repeatedly based off of a specific number.

To do a snippet of code for a number of loops chosen by the developer.

To do something, sometimes, I think?

What does an if/else statement look like in JavaScript?

if (pathIsClear) {
//code
} else {
//code
}

If (pathIsClear();) (//code) (else) } More code)

While (pathIsClear) { //code } elif{ //code }

For ( I = 0; I < COUNT) do action();

What is the most efficient way for karel to move 10 times?

For (var I = 0; I < 10; i++) { move(); }

Move(10);

Move(); move(); move();move();move();move();move();move();move();move();

Move(10 please :3)

What does the i++ mean in a for loop?

For every time the code executes between the brackets, the counter "i" increases by 1.'

It means that unless the condition requirements are met, the code will not function.

It has little to know meaning.

It is required for the loop to be read by the compiler.

Why do we use if statements in JavaScript?

To do something only if the statement is false.

To do something a fixed number of times

To do something WHILE the conditions are ture.

To do something only if the the statement is true

What can be used to teach Karel to turn right assuming she doesn't know it yet?

For loops

Functions

Elif statements

Nothing.

What is the name of the functions we use that we never reference, and we only use them to satisfy functional requirements in codeHS?

False function

No-ref function

Dummy function

Invis function.

What does a while loop do?

It runs only once if a condition is true.

It runs while a condition is true

If runs until you explicitly tell it otherwise

It runs only a single time and never needs to be called.

The code below will fail, why?

function start(){
for(var I = 0; I < 4; i++){
move()
putBall();
turnLeft();
}
}

Missing semicolon

Missing bracket

Incorrect indentation

All of the above

The code below will fail, why?

function start(){
for(var I = 0; I < 32; i++){
turnLeft();
}

Incorrect indentation

Missing bracket

Missing semicolon

All of the above

What is the language you've spent the last month and a half learning?

Visual Basic

Python

JavaScript

Java

Extra Credit question 1: I've got a structured settlement and I need cash now.

Call JG Wentworth 877-CASH-NOW

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Quake 3 good game

Intro to CS Test 1

Karel's Coding Challenge: An Introductory Quiz

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