App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 497 · 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.🗒️ Version 1 of a quiz app must be ready in 9 days. How many days are left for extras after the must-haves?
   show a question: 1 days
   check the answer: 2 days
   show the score: 2 days
2. 2.True or false: a blank grey screen solves no real problem. (a) True (b) False
3. 3.🎯 Which app would help this user most: a cook with no idea for dinner? (a) a bus tracker (b) a homework planner (c) a big-text reader (d) a recipe finder
4. 4.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) earn stickers (b) pick a theme colour (c) add a homework task (d) share tasks to friends
5. 5.🔢 After an app is released, which comes first: “test it again” or “list what to fix”? (a) test it again (b) list what to fix
6. 6.🧩 Scores, notes and settings that an app keeps are called ___. (a) buttons (b) tabs (c) data (d) screens
7. 7.🛠️ At which stage do you add the buttons? (a) the idea stage (b) the release stage (c) the build stage (d) the test stage
8. 8.True or false: a torch is a tool app. (a) True (b) False
9. 9.True or false: a medicine reminder solves no real problem. (a) True (b) False
10. 10.📱 Where do people usually download phone apps from? (a) a web server (b) a printer (c) a charger (d) an app store
11. 11.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) share tasks to friends (b) earn stickers (c) set a due date (d) pick a theme colour
12. 12.🗒️ The first small, working version of an app is often called an ___. (a) URL (b) FAQ (c) CPU (d) MVP
13. 13.True or false: a blank grey screen solves a real problem. (a) False (b) True
14. 14.🧩 In an app, what is the home page of an app? (a) a button (b) data (c) a screen (d) an input
15. 15.🧩 How many buttons does this app screen have?
    [title] Order Snacks
    [button] Next
    [switch] Dark mode
    [text box] City
    [button] Send
    [text box] Notes
    [slider] Volume
16. 16.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) custom alert sounds (b) set a reminder time (c) see today’s total (d) log a glass of water
17. 17.📅 An app team plans for 2 days, builds for 5 days, tests for 1 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
18. 18.👥 A clinic app has 120 patients, 115 doctors and 270 nurses as users. Which user group is the biggest? (a) nurses (b) doctors (c) patients
19. 19.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) share tasks to friends (b) pick a theme colour (c) see tasks by day (d) earn stickers
20. 20.True or false: an app needs no installing. (a) True (b) False
21. 21.Which of these is true of an app? (a) has a home-screen icon (b) opens in a web browser (c) has a web address (d) needs no installing
22. 22.🧩 Which input is best for typing your name? (a) a slider (b) a text box (c) a switch (d) a picture
23. 23.True or false: a water reminder is a tool app. (a) True (b) False
24. 24.Which of these app ideas solves a real problem? (a) a blank grey screen (b) a button with no action (c) an app that just says hi (d) a lost-and-found board
25. 25.Which of these is true of an app? (a) opens from a link (b) comes from an app store (c) opens in a web browser (d) needs no installing
26. 26.⚙️ What number does this app show?
    let bill = 44; // typed by the user
    let friends = 4; // typed by the user
    let share = bill / friends;
    show(share);
27. 27.🗂️ What kind of app is a step counter? (a) a learning app (b) a tool app (c) a health app (d) a game
28. 28.💡 Does an app idea like a blank grey screen solve a real problem? (a) Yes (b) No
29. 29.True or false: speaking a command is an input. (a) False (b) True
30. 30.🗂️ What kind of app is an alarm clock? (a) a tool app (b) a health app (c) a game (d) a learning app
31. 31.💡 An app that tries to do everything at once is usually ___. (a) easy to build (b) finished fast (c) very small (d) hard to use
32. 32.🗒️ In MVP, the M stands for ___. (a) minimum (b) mobile (c) maximum (d) music
33. 33.👥 A school app has 90 students, 115 teachers and 85 parents as users. How many more students than parents are there?
34. 34.True or false: a date picker is an input. (a) False (b) True
35. 35.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) show the score (b) check the answer (c) background music (d) show a question
36. 36.🗂️ What kind of app is a water reminder? (a) a tool app (b) a learning app (c) a health app (d) a game
37. 37.⚙️ What number does this app show?
    let km = 9; // typed by the user
    let metres = km * 1000;
    show(metres);
38. 38.True or false: you spot a problem to solve at the build stage. (a) True (b) False
39. 39.Which of these happens at the plan stage? (a) list what users need (b) pick the features (c) write the store text (d) write down the bugs
40. 40.Which of these is data? (a) a date picker (b) a slider for volume (c) the settings page (d) your saved notes

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