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Questions and Answers
What does the compare texts block in App Inventor allow us to determine?
What does the compare texts block in App Inventor allow us to determine?
- Whether one string is a substring of another
- Whether two strings are equal (correct)
- Whether a string contains a specific character
- Whether a string is longer than another
What is the purpose of trimming a string?
What is the purpose of trimming a string?
- To remove leading and trailing spaces from a string (correct)
- To add extra spaces to a string
- To concatenate two strings
- To convert all characters to uppercase
In App Inventor, what is the purpose of the text join block?
In App Inventor, what is the purpose of the text join block?
- To format output text by combining different strings (correct)
- To check if a string contains a specific character
- To compare two strings and determine which is larger
- To split a string into multiple substrings
What is the function of the decision block in App Inventor?
What is the function of the decision block in App Inventor?
When comparing two strings in App Inventor, what Boolean logic is typically used?
When comparing two strings in App Inventor, what Boolean logic is typically used?
How can we determine if one string is less than another in App Inventor?
How can we determine if one string is less than another in App Inventor?
What block in MIT App Inventor allows you to compare two numbers?
What block in MIT App Inventor allows you to compare two numbers?
In the Test Average App, what happens if the average of the three test scores is exactly 95?
In the Test Average App, what happens if the average of the three test scores is exactly 95?
What component is used in the Test Average App to input the three test scores?
What component is used in the Test Average App to input the three test scores?
Which block's operator can be used to check if one value is less than or equal to another in MIT App Inventor?
Which block's operator can be used to check if one value is less than or equal to another in MIT App Inventor?
What property changes if the average in the Test Average App is greater than 95?
What property changes if the average in the Test Average App is greater than 95?
Which block type is used to create Boolean expressions in MIT App Inventor that are tested by decision blocks?
Which block type is used to create Boolean expressions in MIT App Inventor that are tested by decision blocks?
What type of expressions are commonly tested in decision-making in a computer program?
What type of expressions are commonly tested in decision-making in a computer program?
Where can the 'if then' block be found in App Inventor?
Where can the 'if then' block be found in App Inventor?
What happens if the Boolean expression #1 in the 'if then else' block is false?
What happens if the Boolean expression #1 in the 'if then else' block is false?
In a computer program, what does the value 'false' typically signify?
In a computer program, what does the value 'false' typically signify?
Which drawer contains the 'if then else' block in App Inventor?
Which drawer contains the 'if then else' block in App Inventor?
When using Boolean expressions, what happens if none of the expressions are true in an 'if then else' block?
When using Boolean expressions, what happens if none of the expressions are true in an 'if then else' block?
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