Intro to CS Test 1
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
Which of these is a valid Karel move command?
Move();
Move()
MOVE();
Move()?
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?
1
2
3
4
How many times should we DEFINE the start function in any given program?
1
2
3
4
How many times should we CALL ( start(); ) the start function in any given program?
0
1
3
4
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
}
//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();
}
}
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();
}
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
Hey man, I am sorry, I hope you get that fixed. :(
F-R-E-E THAT SPELLS FREE, CREDIT REPORT DOT COM BABY
Quake 3 good game
The number after bytes[] should be?
0
1
2
3
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