PLTW Activity 1.1.4 Guess a Number

What type of variable is currentX?

• local scope

• global scope

• None of the above

• local and global scope

What kind of variable is randomX?

• local scope

• global scope

• None of the above

• local and global scope

Stored data that is only used within a small part of a program and cannot be used by other parts of the program is a

• local variable

• global variable

• None of the above

• local variable and global variable

Stored data that may be used by any part of the program is a

• local variable

• global variable

• None of the above

• local variable and global variable

Using a large number of __________ variables adds complexity to your program, because all parts of the program can change ________ variables. Using __________ variables when possible saves time in debugging.

• local, local, global

• global, global, local

This is an example of

• Natural Language

• Pseudocode

• MIT App Inventor Blocks

• Python

This is an example of

• Natural Language

• Pseudocode

• MIT App Inventor Blocks

• Python

Will the countdown clock, TImer, need to have a global scope or a local scope? Why? Select the best answer.

• local scope because then debugging is easier

• global scope because the value of Timer needs to be saved for the next Clock1.Timer event

isNumber? TextboxGuess.Text returns a

• boolean

• integer

• float

• string

Set LabelMessage,Text = "" is an example of

• local variable

• boolean

• initialization. Clear the value of the variable at the beginning of the code block.

• integer