Chapter 23 Review

Which data type is meant to hold only whole numbers like 0 or 42.

• String

• Integer

• Real

• Boolean

Which data type can hold a word or line of text like "hello"?

• Integer

• Decimal

• Boolean

• String

What does a computer program use to hold data values?

• A calculator

• A variable

• A box

• A bucket

Which of the following is true about a "typed" language like C# and Java?

• Each variable can only hold true or false values

• Each variable can hold any kind of data

• Each variable can hold multiple data values at the same time

• Each variable can only hold one type of data

How do you create a new variable for a Scratch program?

• Select the "Data" category and click on the "Make a Variable" button

• Right-click on your sprite

• Double-click on your script area

• Select File -> New Variable from the top menu

When you create a variable named "Mine" and select "For this sprite only", which of the following statements is true?

• You cannot use that variable in scripts for that sprite

• The "mine" variable can only hold text data

• You can create a variable named "mine" other sprites also, selecting "For this sprite only" each time

• You cannot create a variable named "mine" for any other sprite

Which Scratch command block do you use to store a value into a variable?

• The "store...in..." block

• The "set...to..." block

• The "save...as..." block

• The "=" block

How would you glue together the contents of two pieces of text to make a longer value?

• Use the "=" block

• Use the "glue" block

• Use the "+" block

• Use the "join" block

Which of the following Scratch commands will let you write looping logic?

• Forever

• Repeat

• Repeat Until

• All of these are true

When using a looping block, how do you arrange the commands that you want to run inside the loop?

• Place the commands below the end of the looping block

• Place the commands in the hollow area inside the looping block

• Place the commands directly above the beginning of the looping block

• All of these will work