What are the local and global variables in this code?

x is a global variable; y is a local variable

An informal layout of a computer program in plain English

How would you add 7 to the end of this array?

myArray[4] = 7;, myArray.push(7);

A datatype used to represent real world or virtual things, An instance of a class

A data type that has two possible values, true or false

What will this for loop print?

0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20

A reusable command to the computer

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Computer Programming: Review Quiz

20 termsStudBud Administration14 plays

A review of the concepts learned in Breakthrough Summer Computer Programming.

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Questions 20

Answers

1
Which one of these is not a primitive datatype in Javascript?
Number
Boolean
Function
String
2
What is an argument?
A dispute
The actual value that gets passed to a function
A placeholder for a function's input
A variable
3
What is a parameter
The value that gets passed to a function
A placeholder for a function's input
A fancy name for a function
A useless thing
4
Which of the following is a properly written conditional
if(5 === 5){ println(7); }
if{5 === 5} ( println(7); )
if{5 === 5}{ println(7); }
if(5 = 5){ println(7) };
5
What would the following code print?
20
19
16
21
6
What are the local and global variables in this code?
x is a local variable; y is a global variable
Both x and y are local variables
Both x and y are global variables
x is a global variable; y is a local variable
7
What is pseudocode?
Code that is reusable
Something you add to your program to make it run faster
An informal layout of a computer program in plain English
A complicated code structure used to develop algorithms
8
What are the properties of this class?
It doesn't have properties
grade, favClass, age
grade, favClass, age, study, doHomework
study, doHomework
9
How would you add 7 to the end of this array?
myArray[4] = 7;
myArray.push(7);
myArray[5] = 7;
myArray[7];
10
An object is....
A datatype used to represent real world or virtual things
A character in JavaScript
An instance of a class
A thing
11
What is the proper way to call the drawMe method of the ball object in the example?
ball.drawMe;
drawMe;
drawMe();
ball.drawMe();
12
What does this while loop print?
Nothing
0
10
1, 2, 3, 4, 5, 6, 7, 8, 9
13
A boolean is...
A data type that is notated by quotation marks
A data type that you create
A data type that has two possible values, true or false
A placeholder for input of a function
14
What is the index of "c" in the following array?
1
3
2
0
15
What will this for loop print?
0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22
0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
2, 4, 6, 8, 10, 12, 14, 16, 18, 20
16
What is the output of this code?
There is no output
Boo
What?
Yay!
17
What would println("Hi" + "you" + " !"); print?
Hi you !
Hiyou!
Hi you!
Hiyou !
18
A function is...
Code that runs for a set amount of iterations
A reusable command to the computer
A variable that represents real-world or virtual things
A 'blueprint' for an object
19
Is this an object or a class?
Object
Class
20
What is the output of this code?
14
35
"Hello world"
There is no output

Computer Programming: Review Quiz Flashcards | StudBud