App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 924 · 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.📊 Survey: which problem bugs you most? Which problem should your app solve first?
   missing the bus: 25 votes
   losing water bottles: 9 votes
   forgetting birthdays: 6 votes (a) losing water bottles (b) forgetting birthdays (c) missing the bus
2. 2.🎯 Which app would help this user most: a teen learning to make snacks? (a) a recipe finder (b) a homework planner (c) a big-text reader (d) a bus tracker
3. 3.🧩 How many buttons does this app screen have?
   [title] Order Snacks
   [switch] Show hints
   [button] Start
   [button] Done
   [slider] Brightness
   [button] Back
   [text box] Phone
4. 4.🗒️ Why keep version 1 small? (a) to learn from users soon (b) to use up storage (c) to look bigger (d) to confuse users
5. 5.Which of these happens at the plan stage? (a) write down the bugs (b) share the download link (c) pick the features (d) let friends try it
6. 6.📱 Which one comes from an app store: an app or a website? (a) a website (b) an app
7. 7.🎯 Is this a user need or a feature: “Small text is hard”? (a) a feature (b) a user need
8. 8.🔢 After an app is released, which comes first: “read user reviews” or “fix and improve”? (a) fix and improve (b) read user reviews
9. 9.📊 Survey: which problem bugs you most? Which problem should your app solve first?
   missing the bus: 12 votes
   forgetting homework: 22 votes
   wasting pocket money: 21 votes (a) wasting pocket money (b) forgetting homework (c) missing the bus
10. 10.🗒️ Version 1 of a quiz app must be ready in 8 days. How many days are left for extras after the must-haves?
    show a question: 2 days
    check the answer: 1 days
    show the score: 4 days
11. 11.True or false: adding up a bill is an input. (a) True (b) False
12. 12.💡 A good app idea starts with ___. (a) a problem to solve (b) a cool logo (c) a long name (d) many colours
13. 13.🗒️ Version 1 of a water reminder must be ready in 11 days. How many days are left for extras after the must-haves?
    set a reminder time: 3 days
    log a glass of water: 1 days
    see today’s total: 4 days
14. 14.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Settings
    [button] Help
    [button] Cancel
    [switch] Show hints
    [text box] Email
    [text box] Subject
    [text box] Phone
    [slider] Text size
15. 15.🧩 How many buttons does this app screen have?
    [title] Add Homework
    [button] Help
    [text box] Age
    [button] Save
    [text box] City
    [text box] Subject
    [button] Done
16. 16.⚙️ What number does this app show?
    let price = 85; // typed by the user
    let qty = 4; // typed by the user
    let total = price * qty;
    show(total);
17. 17.Which of these is true of a website? (a) is installed on a phone (b) has a web address (c) has a home-screen icon (d) comes from an app store
18. 18.Which of these is data? (a) the home page of an app (b) the settings page (c) the game-over page (d) today’s step count
19. 19.🗂️ What kind of app is a step counter? (a) a tool app (b) a health app (c) a learning app (d) a game
20. 20.True or false: an app has a home-screen icon. (a) False (b) True
21. 21.🗒️ Version 1 of a water reminder must be ready in 8 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
22. 22.True or false: a torch is a learning app. (a) False (b) True
23. 23.📅 An app team plans for 2 days, builds for 8 days, tests for 2 days and releases on 1 more day. How many more days does building take than testing?
24. 24.👥 A school app has 280 students, 215 teachers and 185 parents as users. How many users does it have in all?
25. 25.🧩 Which input is best for turning something ON or OFF? (a) a slider (b) a title (c) a switch (d) a text box
26. 26.👥 A school app has 115 students, 135 teachers and 95 parents as users. Which user group is the biggest? (a) parents (b) students (c) teachers
27. 27.Which of these app ideas solves no real problem? (a) a library due-date alert (b) a free study-room finder (c) a bill splitter (d) a blank grey screen
28. 28.🔍 Which is the odd one out? (a) a step counter (b) a water reminder (c) a calculator (d) a sleep tracker
29. 29.True or false: tap to Save is an input. (a) False (b) True
30. 30.🗒️ Version 1 of a homework planner must be ready in 7 days. How many days are left for extras after the must-haves?
    add a homework task: 3 days
    set a due date: 1 days
    see tasks by day: 2 days
31. 31.👥 A school app has 170 students, 200 teachers and 270 parents as users. Which user group is the biggest? (a) parents (b) teachers (c) students
32. 32.🔢 When you make an app, which comes first: “test the app” or “get an idea”? (a) get an idea (b) test the app
33. 33.🧩 Which of these is a button on this screen?
    [title] New Note
    [button] Start
    [button] Next
    [text box] Email
    [button] Cancel (a) Start (b) Email
34. 34.Which of these is an input? (a) checking a password (b) working out a tip (c) adding up a bill (d) tapping a button
35. 35.Which of these is true of a website? (a) opens in a web browser (b) has a home-screen icon (c) updates from the store (d) is installed on a phone
36. 36.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) savings stickers (b) pie-chart colours (c) show the balance (d) export to a file
37. 37.💡 How can you check that people really have the problem? (a) pick a colour (b) copy another app (c) just guess (d) ask possible users
38. 38.📅 An app team plans for 4 days, builds for 7 days, tests for 3 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
39. 39.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 65; // 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 2 (b) line 1 (c) line 4 (d) line 3
40. 40.Which of these is an input? (a) the home page of an app (b) tap to Start (c) tap to go Next (d) a switch for dark mode

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