App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 345 · 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.🧩 Which input is best for typing your name? (a) a text box (b) a slider (c) a switch (d) a picture
2. 2.💡 Which app idea solves this problem: Grandpa forgets his tablets? (a) a medicine reminder (b) a lost-and-found board (c) a homework planner (d) a bill splitter
3. 3.👥 A clinic app has 120 patients, 135 doctors and 60 nurses as users. How many more patients than nurses are there?
4. 4.True or false: the log-in page is a screen. (a) True (b) False
5. 5.📅 An app team plans for 3 days, builds for 6 days, tests for 3 days and releases on 1 more day. How many days does the whole project take?
6. 6.True or false: a water reminder is the best fit for a teen whose money runs out by Friday. (a) True (b) False
7. 7.⚙️ Which line does the processing (works out the answer)?
   line 1: let price = 95; // typed by the user
   line 2: let qty = 3; // typed by the user
   line 3: let total = price * qty;
   line 4: show(total); (a) line 2 (b) line 4 (c) line 1 (d) line 3
8. 8.🔍 Which is the odd one out? (a) a racing challenge (b) a unit converter (c) an alarm clock (d) a torch
9. 9.🗒️ In MVP, the M stands for ___. (a) mobile (b) music (c) minimum (d) maximum
10. 10.Which of these is a screen? (a) the game-over page (b) a slider for volume (c) a date picker (d) a switch for dark mode
11. 11.🔢 After an app is released, which comes first: “test it again” or “release an update”? (a) release an update (b) test it again
12. 12.True or false: a recipe finder is the best fit for a cook with no idea for dinner. (a) True (b) False
13. 13.True or false: a pop-up message is an output. (a) True (b) False
14. 14.🧩 Which of these is a button on this screen?
    [title] Add Homework
    [text box] Age
    [text box] City
    [text box] Subject
    [button] Next (a) City (b) Next (c) Age (d) Subject
15. 15.True or false: you talk to possible users at the test stage. (a) True (b) False
16. 16.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 160; // typed by the user
    line 2: let friends = 2; // typed by the user
    line 3: let share = bill / friends;
    line 4: show(share); (a) line 4 (b) line 2 (c) line 1 (d) line 3
17. 17.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) confetti effects (b) show the score (c) show a question (d) check the answer
18. 18.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) add money received (b) pie-chart colours (c) savings stickers (d) export to a file
19. 19.Which of these app ideas solves a real problem? (a) a medicine reminder (b) a button with no action (c) a page of random dots (d) a blank grey screen
20. 20.🔍 Which is the odd one out? (a) a buzz (vibration) (b) a pop-up message (c) a beep sound (d) sorting the scores
21. 21.🔍 Which is the odd one out? (a) put it on an app store (b) write the store text (c) let friends try it (d) share the download link
22. 22.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 114; // typed by the user
    line 2: let friends = 2; // typed by the user
    line 3: let share = bill / friends;
    line 4: show(share); (a) line 3 (b) line 1 (c) line 4 (d) line 2
23. 23.💡 After a survey, which need should version 1 solve? (a) the newest trend (b) the rarest need (c) a random need (d) the most common need
24. 24.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 14; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 2 (b) line 1 (c) line 3
25. 25.💡 Does an app idea like a blank grey screen solve a real problem? (a) No (b) Yes
26. 26.🧩 What does a button do when you tap it? (a) shows the time (b) starts an action (c) saves the battery (d) changes the phone
27. 27.🗒️ 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
28. 28.Which of these app ideas solves a real problem? (a) a button with no action (b) a bill splitter (c) a blank grey screen (d) an app that just says hi
29. 29.True or false: a website has a home-screen icon. (a) True (b) False
30. 30.True or false: a homework planner is the best fit for a student who often misses the school bus. (a) True (b) False
31. 31.Which of these is a user need? (a) “What should I cook?” (b) a reminder alarm (c) a share button (d) a search bar
32. 32.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting homework: 25 votes
    wasting pocket money: 22 votes
    no quiet study place: 15 votes (a) no quiet study place (b) forgetting homework (c) wasting pocket money
33. 33.👥 A library app has 215 readers, 115 librarians and 40 volunteers as users. How many users does it have in all?
34. 34.📅 An app team plans for 2 days, builds for 4 days, tests for 1 days and releases on 1 more day. How many days does the whole project take?
35. 35.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) water animations (b) custom alert sounds (c) share your streak (d) see today’s total
36. 36.🗒️ A to-do app with no “add a task” feature is ___. (a) a nice extra (b) ready to release (c) missing a must-have (d) well planned
37. 37.💡 Does an app idea like a free study-room finder solve a real problem? (a) No (b) Yes
38. 38.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    losing water bottles: 23 votes
    forgetting homework: 14 votes
    no quiet study place: 3 votes (a) losing water bottles (b) no quiet study place (c) forgetting homework
39. 39.True or false: sorting the scores is processing. (a) False (b) True
40. 40.💡 How can you check that people really have the problem? (a) pick a colour (b) ask possible users (c) copy another app (d) just guess

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