App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 350 · 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 one needs no installing: an app or a website? (a) an app (b) a website
2. 2.True or false: checking a password is an input. (a) True (b) False
3. 3.🗒️ 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) see today’s total
4. 4.True or false: a racing challenge is a learning app. (a) True (b) False
5. 5.👥 A cricket club app has 140 players, 155 coaches and 285 fans as users. How many users does it have in all?
6. 6.🧩 In an app, what is today’s step count? (a) an input (b) a button (c) data (d) a screen
7. 7.🔍 Which is the odd one out? (a) tapping a button (b) checking a password (c) typing your age (d) speaking a command
8. 8.🗒️ What is a must-have feature? (a) a colour theme (b) one the app cannot skip (c) a sound effect (d) a nice extra
9. 9.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) an avatar shop (b) show a question (c) show the score (d) check the answer
10. 10.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    losing water bottles: 25 votes
    wasting pocket money: 11 votes
    no quiet study place: 22 votes (a) losing water bottles (b) wasting pocket money (c) no quiet study place
11. 11.True or false: a free study-room finder solves a real problem. (a) True (b) False
12. 12.🧩 How many buttons does this app screen have?
    [title] Sign Up
    [text box] City
    [button] Done
    [text box] Name
    [button] Help
    [button] Next
    [text box] Phone
13. 13.Which of these is an output? (a) a buzz (vibration) (b) taking a photo (c) adding up a bill (d) tapping a button
14. 14.🔍 Which is the odd one out? (a) a flashcard trainer (b) a spelling coach (c) a times-table quiz (d) a water reminder
15. 15.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    losing water bottles: 22 votes
    forgetting homework: 15 votes
    no quiet study place: 20 votes (a) losing water bottles (b) forgetting homework (c) no quiet study place
16. 16.⚙️ What number does this app show?
    let price = 120; // typed by the user
    let off = 50; // typed by the user
    let pay = price - off;
    show(pay);
17. 17.Which of these is a user need? (a) a dark mode switch (b) “Small text is hard” (c) a share button (d) a reminder alarm
18. 18.Which of these happens at the release stage? (a) spot a problem to solve (b) list what users need (c) sketch the screens (d) put it on an app store
19. 19.🧩 Which of these is a button on this screen?
    [title] Edit Profile
    [switch] Show hints
    [button] Save
    [text box] Email
    [slider] Text size (a) Email (b) Save (c) Show hints (d) Text size
20. 20.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) see today’s total (b) set a reminder time (c) log a glass of water (d) water animations
21. 21.Which of these is processing? (a) typing your age (b) taking a photo (c) adding up a bill (d) a buzz (vibration)
22. 22.Which of these is true of an app? (a) updates from the store (b) needs no installing (c) has a web address (d) opens from a link
23. 23.📊 Survey: which problem bugs you most? How many more votes did “forgetting homework” get than “missing the bus”?
    missing the bus: 17 votes
    forgetting birthdays: 15 votes
    forgetting homework: 25 votes
24. 24.🧩 In an app, what is a slider for volume? (a) an input (b) a button (c) a screen (d) data
25. 25.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) savings stickers (b) export to a file (c) pie-chart colours (d) add money spent
26. 26.👥 A clinic app has 45 patients, 95 doctors and 20 nurses as users. How many users does it have in all?
27. 27.🛠️ At which stage do you let friends try it? (a) the release stage (b) the idea stage (c) the plan stage (d) the test stage
28. 28.💡 Which app idea solves this problem: a team shares one snack bill? (a) a homework planner (b) a medicine reminder (c) a study-room finder (d) a bill splitter
29. 29.True or false: working out a tip is an input. (a) True (b) False
30. 30.⚙️ What number does this app show?
    let km = 2; // typed by the user
    let metres = km * 1000;
    show(metres);
31. 31.💡 Which is a problem statement? (a) “Use blue buttons” (b) “Add a logo” (c) “Kids forget homework” (d) “Make it fast”
32. 32.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) background music (b) show the score (c) an avatar shop (d) confetti effects
33. 33.True or false: a lost-and-found board solves a real problem. (a) False (b) True
34. 34.📅 An app team plans for 5 days, builds for 8 days, tests for 1 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
35. 35.True or false: an app that just says hi solves no real problem. (a) True (b) False
36. 36.🗒️ Version 1 of a quiz app must be ready in 12 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: 3 days
37. 37.💡 Does an app idea like a library due-date alert solve a real problem? (a) No (b) Yes
38. 38.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting homework: 24 votes
    no quiet study place: 14 votes
    forgetting birthdays: 12 votes (a) forgetting birthdays (b) no quiet study place (c) forgetting homework
39. 39.🔢 When you make an app, which comes first: “build the app” or “plan the screens”? (a) plan the screens (b) build the app
40. 40.👥 A clinic app has 265 patients, 130 doctors and 280 nurses as users. Which user group is the biggest? (a) patients (b) nurses (c) doctors

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