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Alice Test Flashcards | StudBud

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How did we get the witch to follow the broom?

How can we hide objects from view until they are ready in Alice world?

Alice Test

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Help learn concepts of programming through Alice

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Questions 10

Answers

1
How can we hide objects from view until they are ready in Alice world?
Use a billboard
Disable their code
Set transparency to 1
Set opacity to 0
2
How did we get the witch to follow the broom?
We changed the vehicle of the broom to the witch
We changed the vehicle of the witch to the broom
A function that calculates distance between broom and witch
We told the witch to move left 4 m and up 3 m
3
What is a computer program
Sequence of instructions
Clicking on things
Software like MS Word and Snap
Adding and subtracting 1 and 0
4
How do you control your object by the keyboard arrow keys?
Use methods
Use events
Use functions
Use calls to that object
5
How do you compare two objects and result in true if they are equal?
If x : 5 then ...
If x != 5 then ...
If x = 5 then ...
If x == 5 then ...
6
When do you add comments in Alice?
Only if you ask someone else to look at code
As often as possible: before loops, methods, if statements
Just for your name and purpose of program
Never, code is already easy to read
7
Why do we write methods?
To divide a program into parts for greater flexibility
To break the code into smaller pieces
To allow two different objects to run at same time
To instantiate another object such as Bullet
8
Does every variable need to be set to a value before use?
Yes
No
9
What is a method or a procedure?
When you tell the object to do something like say
A call to another subroutine to simplify code + reusability
Uses a condition if true, do this ...
Object in the class like Counter
10
Which is a loop that exits when a condition is met?
While loop
Count loop
For each in list loop