MIT APP EXAM PREP

.docx

School

Humber College *

*We aren’t endorsed by this school

Course

4001

Subject

Computer Science

Date

Dec 6, 2023

Type

docx

Pages

Uploaded by ChancellorLyrebirdPerson26

Here's a 30-question quiz based on the content from Chapter 1 of the MIT App Inventor book: 1. What is the traditional first program to check if a new computer system is working correctly? a. HelloPurr b. Hello World c. Hi There d. Greetings 2. In the HelloPurr app, what does the picture of the cat do when you touch it? a. It meows b. It purrs c. It changes color d. It disappears 3. Which of the following is NOT one of the topics covered in Chapter 1? a. Building apps by selecting components b. Programming in Java c. Testing apps with live testing d. Packaging apps for download 4. What are the three key parts of the App Inventor programming environment? a. Designer, Code Editor, Phone Emulator b. Component Designer, Blocks Editor, Android Device c. Component Designer, Code Editor, Mobile Device d. UI Designer, Code Builder, Virtual Device 5. What is the purpose of the Component Designer in App Inventor? a. To write code for your app b. To select components for your app and specify their properties c. To test your app on a real device d. To design the user interface of your app 6. Which of the following is NOT a visible component? a. Button b. Label c. Accelerometer d. Canvas 7. How do you specify the behavior of components in App Inventor? a. Using the Blocks Editor b. By writing Java code c. Through the Component Designer

d. By configuring properties in the Designer 8. What is the purpose of live testing in App Inventor? a. To test apps on a real device b. To automatically generate code c. To simulate app behavior in the Blocks Editor d. To design the user interface of an app 9. How can you download the completed app to your Android device for standalone use? a. By emailing the app to yourself b. By running the app in the emulator c. By scanning the QR code with the MIT AI2 Companion app d. By sharing the .aia project file with your device 10. Which component can sense when the device is being shaken? a. AccelerometerSensor b. Label c. Sound d. Button 11. What is a key difference between visible and non-visible components in App Inventor? a. Visible components can be used for building the app's logic. b. Non-visible components are used for designing the user interface. c. Visible components are displayed on the device's screen. d. Non-visible components are not available in the Component Designer. 12. Which property determines how close together successive sounds can start in the Sound component? a. Minimum Interval b. Maximum Volume c. Duration d. Pitch 13. How can you prevent the app from continuously meowing when you walk around with the device in your pocket? a. Adjust the Minimum Interval property in the Sound component. b. Change the meow sound to a shorter sound clip. c. Shake the device to stop the meowing. d. Close the app from the device's menu. 14. In App Inventor, which part of the programming environment do you use to define components' behavior?

a. Component Designer b. Blocks Editor c. User Interface Designer d. Code Generator 15. What do you call blocks that specify what components should do when certain events happen? a. Command blocks b. Event handlers c. Event blocks d. Behavior blocks 16. What kind of blocks do you use to plug into open sockets to provide additional information for a behavior? a. Command blocks b. Parameter blocks c. Event blocks d. Argument blocks 17. What type of blocks are used to represent numbers in App Inventor? a. Number blocks b. Text blocks c. Command blocks d. Argument blocks 18. How do you specify the duration for the Vibrate behavior in App Inventor? a. By entering the time in minutes b. By using a slider c. By plugging a number block into the millisecs socket d. By typing the duration in milliseconds directly 19. What kind of event is triggered when the user taps the button in the HelloPurr app? a. Shaking event b. Click event c. Touch event d. Swipe event 20. Which of the following is NOT a way to share your app with others? a. Email the .aia project file b. Share the app as a .apk file c. Share the QR code for the app d. Post the app on the Google Play Store

21. What is the purpose of the "Unknown sources" setting on an Android device? a. It allows apps to be installed from sources other than the Android Market. b. It prevents all app installations on the device. c. It enhances the device's security. d. It allows apps to be downloaded only from the Google Play Store. 22. How can you share the source code (blocks) of your app with another App Inventor developer? a. Export the project as a .apk file b. Export the project as a .aia file and share it via email c. Share the QR code of your app d. Copy and paste the blocks directly into their project 23. What is the purpose of creating a QR code for your app? a. To share the app as a .apk file b. To share the source code of your app c. To provide a visual link for downloading the app d. To protect the app from unauthorized use 24. What does the Minimum Interval property of the Sound component control in the HelloPurr app? a. The duration of the meow sound b. The minimum time between successive meow sounds c. The volume of the meow sound d. The pitch of the meow sound 25. What do you do in the Designer to set the app icon to a distinguishing picture for the HelloPurr app? a. Select the Icon property of the Button component b. Select the Icon property of the Screen component c. Select the Icon property of the Label component d. Select the Icon property of the Sound component 26. How do you quit the HelloPurr app completely when it's running on your device? a. Close it from the App Inventor Designer b. Tap the screen multiple times c. Use the device's back button to exit d. Shake the device 27. What type of programming is used to specify how components in App

Inventor should behave? a. Visual programming b. Java programming c. Web development d. Machine learning 28. In the HelloPurr app, how can you change the meow sound to a different sound? a. Use the Accelerometer component b. Change the properties of the Sound component c. Use the Label component d. Configure the Button component 29. Which of the following can you do in the Designer but NOT in the Blocks Editor? a. Define how a button should respond to a click event b. Adjust the screen size of the app c. Specify the appearance of a button d. Write code to calculate a mathematical operation 30. What is the main purpose of the Button component in the HelloPurr app? a. To change the screen background color b. To add text labels to the screen c. To provide a visual interface element for user interaction d. To generate random numbers for the app I apologize for any confusion. To the best of my ability, I will provide you with what I believe are the correct answers based on the content you provided. However, since I don't have the exact textbook or access to specific exam questions, I cannot guarantee 100% accuracy. I'll provide answers based on the information you provided. Here are the answers to the questions based on the content from Chapter 1 of MIT App Inventor: 1. B 2. C 3. A 4. B 5. A 6. C 7. A 8. B 9. C 10. A 11. B

12. A 13. C 14. B 15. A 16. C 17. B 18. A 19. B 20. C 21. A 22. B 23. C 24. A 25. B 26. C 27. A 28. B 29. C 30. A I have read the chapter you provided, and I've prepared 30 quiz-like questions

Your preview ends here

Eager to read complete document? Join bartleby learn and gain access to the full version