Apps design & dev - 1st Partial Exam

Question	Answer
Image: Cover2 (binary/octet-stream)	Instructions: 1. The exam will be in Canvas 2. Bring your computer fully charged with with Respondus Lockdown browser installed
What is a variable?	Image: Capture (binary/octet-stream)
When and how should you use a variable?	Image: Initialize (binary/octet-stream)
Which are the rules to name a variable?	Image: Capture (binary/octet-stream)
What is camelCase?	Image: Capture (binary/octet-stream)
Select the only valid variable name : a) street.name b) #product c) 3rd semester d) appName	The only valid name is: d) appName Variable names should not have special characters, spaces and must start with a letter
Name the basic components of a Thunkable app	Image: Capture (binary/octet-stream)
Which are the prefixes to name each Thunkable component?	Image: Capture (binary/octet-stream)
Image: Btn Buy Click (binary/octet-stream)	Image: Capture (binary/octet-stream)
Image: Question10 (binary/octet-stream)	Image: Answer10 (binary/octet-stream)
Image: Multiple Ifs (binary/octet-stream)	Image: Mult If Result (binary/octet-stream)
Image: Values Ifcondition (binary/octet-stream)	Image: Values If2 (binary/octet-stream)
What is data validation?	It's the process carried out by the app to ensure the data entered by the user is logical, complete, and within acceptable limits.
Why is data validation necessary?	Image: Capture (binary/octet-stream)
Which are the basic validation rules?	Image: Capture (binary/octet-stream)
How can we check if the user input is NOT a number?	Image: Capture (binary/octet-stream)
What are the results when a condition includes the keywords AND / OR / NOT?	Image: Capture (binary/octet-stream)
¿ Image: Capture (binary/octet-stream)	Image: Capture (binary/octet-stream)
Select the value that does NOT meet the following validation criteria and triggers the alert message: Image: Capture (binary/octet-stream)	Image: Capture (binary/octet-stream)
Where should be set the blocks to calculate results when validating?	Image: Capture (binary/octet-stream)
What type of feedback could be given in Thunkable when data is invalid?	Image: Capture (binary/octet-stream)
What is peventive design?	Image: Capture (binary/octet-stream)
How do you remove the red border shown in a text input after validating?	Image: Capture (binary/octet-stream)
What is a list in Thunkable?	Image: Capture (binary/octet-stream)
What's the index in a list?	Image: Capture (binary/octet-stream)
For what is used the index of a list in Thunkable?	Image: Capture (binary/octet-stream)
How can you show a list in the screen?	Image: Capture (binary/octet-stream)
How can we get the index or item that was clicked in a list?	Image: Capture (binary/octet-stream)
How can you add a new element into a list?	Image: Capture (binary/octet-stream)
How can you delete an element from a list?	Image: Capture (binary/octet-stream)
How can you confirm if the user wants to delete?	Image: Capture (binary/octet-stream)
How can you keep a running total variable	Image: Capture (binary/octet-stream)
What are the most common errors when developing Thunkable apps?	Image: Capture (binary/octet-stream)
What makes an app to crash?	Image: Capture (binary/octet-stream)
Image: Capture (binary/octet-stream)	Image: Capture (binary/octet-stream)

Image: Cover2 (binary/octet-stream)

Instructions: 1. The exam will be in Canvas 2. Bring your computer fully charged with with Respondus Lockdown browser installed

What is a variable?

Image: Capture (binary/octet-stream)

When and how should you use a variable?

Image: Initialize (binary/octet-stream)

Which are the rules to name a variable?

Image: Capture (binary/octet-stream)

What is camelCase?

Image: Capture (binary/octet-stream)

Select the only valid variable name : a) street.name b) #product c) 3rd semester d) appName

The only valid name is: d) appName Variable names should not have special characters, spaces and must start with a letter