Express Course Lessons 1-3 Review

Computer Science has nothing to do with creativity.

• TRUE

• FALSE

What button should you click on if you need a HINT while working Bubbles in Express Course?

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Which block will add a background effect behind your dancer?

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When a program is waiting for something to happen (like a click, button pressed, or screen tap), and then reacts, this is known as a(n)...

• persistance

• program

• bug

• event

Read through the code below very carefully. What will happen when you click "Run"?

• The bird will end up one step short of the pig.

• The bird wil make it to the pig.

• The bird will run into the TNT.

• The bird will run into the spikes.

The very first step in debugging is to...

• raise your hand to ask the teacher.

• select the "RESET" button.

• find the error in the program.

• keep going like nothing is wrong.

Which button would be the one to click on if you wanted to go through your code line-by-line?

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When you are programming and you are finding and fixing errors, you are actually

• selecting the "RUN" button.

• programing events.

• debugging.

• raising your hand to ask the teacher.

Look closely at the code below. What is the first bug that will make this program fail?

• The program won't fail. Scrat will get to the acorn.

• Scrat will go the wrong way after his final turn.

• Scrat takes one too few steps and ends up short of the acorn.

• Scrat needs to turn before he starts moving forward.

Figure out which option will get Scrat to the acorn.

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