App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 529 · 40 questions

Developer's tip (Name the topic): First decide which topic the question is about. Use that lesson’s rule: count, order, match or work it out. Read every line of a screen or a code snippet before you answer.

1. 1.⚙️ In an app, is typing your age an input, processing or an output? (a) input (b) processing (c) output
2. 2.⚙️ In an app, is sorting the scores an input, processing or an output? (a) input (b) output (c) processing
3. 3.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) water animations (b) log a glass of water (c) share your streak (d) custom alert sounds
4. 4.⚙️ What number does this app show?
   let bill = 204; // typed by the user
   let friends = 4; // typed by the user
   let share = bill / friends;
   show(share);
5. 5.👥 A clinic app has 115 patients, 140 doctors and 60 nurses as users. How many more patients than nurses are there?
6. 6.⚙️ What number does this app show?
   let price = 30; // typed by the user
   let qty = 3; // typed by the user
   let total = price * qty;
   show(total);
7. 7.True or false: typing your age is an output. (a) True (b) False
8. 8.True or false: a medicine reminder solves a real problem. (a) False (b) True
9. 9.🧩 In an app, what is tap to Save? (a) data (b) a button (c) an input (d) a screen
10. 10.🧩 Which of these is a button on this screen?
    [title] New Note
    [button] Next
    [text box] Due date
    [button] Help
    [button] Back
    [text box] Age
    [switch] Show hints (a) Show hints (b) Age (c) Help (d) Due date
11. 11.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) water animations (b) see today’s total (c) log a glass of water (d) set a reminder time
12. 12.🧩 In an app, what is a date picker? (a) a button (b) data (c) a screen (d) an input
13. 13.Which of these is an input? (a) your saved notes (b) a switch for dark mode (c) tap to go Next (d) the settings page
14. 14.Which of these is a feature? (a) a reminder alarm (b) “I forget my homework” (c) “I keep missing the bus” (d) “Small text is hard”
15. 15.Which of these is true of an app? (a) needs no installing (b) is installed on a phone (c) opens from a link (d) has a web address
16. 16.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) an avatar shop (b) background music (c) confetti effects (d) show the score
17. 17.True or false: the home page of an app is an input. (a) False (b) True
18. 18.⚙️ In an app, is adding up a bill an input, processing or an output? (a) processing (b) output (c) input
19. 19.True or false: you connect the data at the build stage. (a) False (b) True
20. 20.🗒️ Version 1 of a quiz app must be ready in 13 days. How many days are left for extras after the must-haves?
    show a question: 1 days
    check the answer: 4 days
    show the score: 2 days
21. 21.⚙️ What number does this app show?
    let bill = 54; // typed by the user
    let friends = 3; // typed by the user
    let share = bill / friends;
    show(share);
22. 22.True or false: your saved notes is data. (a) False (b) True
23. 23.🗂️ What kind of app is a puzzle with levels? (a) a game (b) a health app (c) a tool app (d) a learning app
24. 24.⚙️ What number does this app show?
    let price = 25; // typed by the user
    let qty = 4; // typed by the user
    let total = price * qty;
    show(total);
25. 25.True or false: a lost-and-found board solves no real problem. (a) True (b) False
26. 26.True or false: a buzz (vibration) is an input. (a) True (b) False
27. 27.🧩 In an app, what is your saved notes? (a) data (b) an input (c) a screen (d) a button
28. 28.True or false: today’s step count is data. (a) False (b) True
29. 29.True or false: the log-in page is data. (a) False (b) True
30. 30.🎯 Is this a user need or a feature: “What should I cook?”? (a) a user need (b) a feature
31. 31.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) savings stickers (b) pie-chart colours (c) export to a file (d) add money received
32. 32.True or false: a box to type a name is data. (a) True (b) False
33. 33.💡 Which is a problem statement? (a) “Kids forget homework” (b) “Add a logo” (c) “Use blue buttons” (d) “Make it fast”
34. 34.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) set a reminder time (b) log a glass of water (c) see today’s total (d) custom alert sounds
35. 35.Which of these app ideas solves a real problem? (a) a button with no action (b) a blank grey screen (c) a medicine reminder (d) an app that just says hi
36. 36.🔍 Which is the odd one out? (a) list what users need (b) write the code (c) connect the data (d) add the buttons
37. 37.⚙️ In an app, is speaking a command an input, processing or an output? (a) output (b) processing (c) input
38. 38.🗒️ The first small, working version of an app is often called an ___. (a) MVP (b) FAQ (c) CPU (d) URL
39. 39.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) show a question (b) check the answer (c) show the score (d) confetti effects
40. 40.🗂️ What kind of app is a torch? (a) a health app (b) a learning app (c) a game (d) a tool app

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