App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 682 · 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.🎯 Is this a user need or a feature: “What should I cook?”? (a) a feature (b) a user need
2. 2.💡 How can you check that people really have the problem? (a) copy another app (b) ask possible users (c) pick a colour (d) just guess
3. 3.True or false: a pocket-money tracker is the best fit for a teen learning to make snacks. (a) False (b) True
4. 4.⚙️ Which line does the processing (works out the answer)?
   line 1: let price = 240; // typed by the user
   line 2: let off = 50; // typed by the user
   line 3: let pay = price - off;
   line 4: show(pay); (a) line 2 (b) line 4 (c) line 1 (d) line 3
5. 5.🧩 How many buttons does this app screen have?
   [title] New Note
   [text box] Phone
   [slider] Text size
   [button] Start
6. 6.👥 A cricket club app has 235 players, 205 coaches and 120 fans as users. Which user group is the biggest? (a) players (b) fans (c) coaches
7. 7.🗒️ What is a must-have feature? (a) a sound effect (b) a colour theme (c) one the app cannot skip (d) a nice extra
8. 8.💡 After a survey, which need should version 1 solve? (a) the most common need (b) a random need (c) the rarest need (d) the newest trend
9. 9.💡 Which app idea solves this problem: bottles go missing at school? (a) a medicine reminder (b) a lost-and-found board (c) a homework planner (d) a study-room finder
10. 10.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) show the balance (b) add money spent (c) add money received (d) savings stickers
11. 11.True or false: a result on screen is an output. (a) False (b) True
12. 12.🧩 How many buttons does this app screen have?
    [title] Edit Profile
    [button] Next
    [text box] Notes
    [button] Save
13. 13.🗒️ 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: 4 days
    check the answer: 4 days
    show the score: 3 days
14. 14.True or false: a pocket-money tracker is the best fit for a teen whose money runs out by Friday. (a) True (b) False
15. 15.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) add money spent (b) add money received (c) pie-chart colours (d) show the balance
16. 16.⚙️ What number does this app show?
    let price = 420; // typed by the user
    let off = 30; // typed by the user
    let pay = price - off;
    show(pay);
17. 17.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 10; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 2 (b) line 3 (c) line 1
18. 18.⚙️ What number does this app show?
    let price = 45; // typed by the user
    let qty = 3; // typed by the user
    let total = price * qty;
    show(total);
19. 19.🗒️ Version 1 of a pocket-money tracker must be ready in 9 days. How many days are left for extras after the must-haves?
    add money received: 1 days
    add money spent: 2 days
    show the balance: 2 days
20. 20.🧩 Which input is best for turning something ON or OFF? (a) a title (b) a text box (c) a slider (d) a switch
21. 21.🎯 Why learn about users before you build? (a) to make it longer (b) to pick a logo (c) to build what they need (d) to slow it down
22. 22.📅 An app team plans for 3 days, builds for 5 days, tests for 2 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
23. 23.Which of these is an output? (a) checking a password (b) working out a tip (c) taking a photo (d) a buzz (vibration)
24. 24.💡 A good app idea starts with ___. (a) a cool logo (b) a long name (c) a problem to solve (d) many colours
25. 25.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) custom alert sounds (b) water animations (c) share your streak (d) set a reminder time
26. 26.🗒️ Version 1 of a water reminder must be ready in 13 days. How many days are left for extras after the must-haves?
    set a reminder time: 1 days
    log a glass of water: 4 days
    see today’s total: 3 days
27. 27.📅 An app team plans for 4 days, builds for 12 days, tests for 1 days and releases on 1 more day. How many days does the whole project take?
28. 28.🗂️ What kind of app is a puzzle with levels? (a) a tool app (b) a health app (c) a game (d) a learning app
29. 29.🔢 When you make an app, which comes LAST? (a) get an idea (b) plan the screens (c) test the app (d) release it
30. 30.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) add money received (b) add money spent (c) show the balance (d) export to a file
31. 31.💡 Which app idea solves this problem: a team shares one snack bill? (a) a homework planner (b) a medicine reminder (c) a lost-and-found board (d) a bill splitter
32. 32.🗒️ In MVP, the M stands for ___. (a) minimum (b) mobile (c) music (d) maximum
33. 33.Which of these is an input? (a) a slider for volume (b) tap to go Next (c) your high score (d) tap to Start
34. 34.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 110; // typed by the user
    line 2: let off = 10; // typed by the user
    line 3: let pay = price - off;
    line 4: show(pay); (a) line 2 (b) line 4 (c) line 1 (d) line 3
35. 35.🔢 After an app is released, which comes FIRST? (a) list what to fix (b) fix and improve (c) release an update (d) read user reviews
36. 36.True or false: an app has a home-screen icon. (a) True (b) False
37. 37.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 30; // typed by the user
    line 2: let qty = 6; // typed by the user
    line 3: let total = price * qty;
    line 4: show(total); (a) line 3 (b) line 1 (c) line 4 (d) line 2
38. 38.True or false: a page of random dots solves a real problem. (a) True (b) False
39. 39.Which of these happens at the idea stage? (a) sketch the screens (b) add the buttons (c) spot a problem to solve (d) draw the user flow
40. 40.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 65; // typed by the user
    line 2: let qty = 2; // typed by the user
    line 3: let total = price * qty;
    line 4: show(total); (a) line 4 (b) line 3 (c) line 2 (d) line 1

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