App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 87 · 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.🗒️ Why keep version 1 small? (a) to confuse users (b) to look bigger (c) to learn from users soon (d) to use up storage
2. 2.🎯 A short made-up profile of a typical user is called a ___. (a) persona (b) pixel (c) protocol (d) password
3. 3.🔍 Which is the odd one out? (a) a buzz (vibration) (b) speaking a command (c) a pop-up message (d) a result on screen
4. 4.📲 What happens when you tap an app’s icon? (a) the app is deleted (b) the phone charges (c) the sound turns off (d) the app opens
5. 5.🧩 In an app, what is a date picker? (a) data (b) a screen (c) an input (d) a button
6. 6.👥 A cricket club app has 180 players, 55 coaches and 230 fans as users. Which user group is the biggest? (a) coaches (b) players (c) fans
7. 7.Which of these app ideas solves a real problem? (a) a button with no action (b) an app that just says hi (c) a page of random dots (d) a bill splitter
8. 8.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) background music (b) confetti effects (c) an avatar shop (d) show a question
9. 9.📊 Survey: which problem bugs you most? Which problem should your app solve first?
   wasting pocket money: 17 votes
   missing the bus: 19 votes
   no quiet study place: 4 votes (a) missing the bus (b) no quiet study place (c) wasting pocket money
10. 10.📊 Survey: which problem bugs you most? How many more votes did “forgetting homework” get than “no quiet study place”?
    missing the bus: 7 votes
    forgetting homework: 16 votes
    no quiet study place: 4 votes
11. 11.True or false: the home page of an app is a button. (a) False (b) True
12. 12.🧩 Which of these is a button on this screen?
    [title] Order Snacks
    [button] Save
    [button] Help
    [switch] Remind me
    [text box] Email (a) Remind me (b) Save (c) Email
13. 13.🗒️ 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: 2 days
    log a glass of water: 1 days
    see today’s total: 3 days
14. 14.True or false: a website comes from an app store. (a) True (b) False
15. 15.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) savings stickers (b) pie-chart colours (c) export to a file (d) add money spent
16. 16.🔢 When you make an app, which comes first: “build the app” or “get an idea”? (a) get an idea (b) build the app
17. 17.🧩 How many buttons does this app screen have?
    [title] Order Snacks
    [text box] Name
    [button] Cancel
    [button] Back
    [text box] Phone
18. 18.🎯 Who are the users of an app? (a) the app icons (b) the people who use it (c) only the coders (d) only the testers
19. 19.Which of these is true of a website? (a) comes from an app store (b) is installed on a phone (c) needs no installing (d) has a home-screen icon
20. 20.Which of these happens at the test stage? (a) talk to possible users (b) let friends try it (c) pick the features (d) spot a problem to solve
21. 21.⚙️ In an app, is a pop-up message an input, processing or an output? (a) processing (b) output (c) input
22. 22.🛠️ At which stage do you write the code? (a) the test stage (b) the idea stage (c) the plan stage (d) the build stage
23. 23.🔍 Which is the odd one out? (a) pick the features (b) draw the user flow (c) sketch the screens (d) add the buttons
24. 24.🗂️ What kind of app is a sleep tracker? (a) a game (b) a learning app (c) a tool app (d) a health app
25. 25.Which of these is an output? (a) sorting the scores (b) taking a photo (c) checking a password (d) a buzz (vibration)
26. 26.📱 Which one needs no installing: an app or a website? (a) a website (b) an app
27. 27.🔍 Which is the odd one out? (a) speaking a command (b) taking a photo (c) tapping a button (d) sorting the scores
28. 28.📱 Which one opens in a web browser: an app or a website? (a) an app (b) a website
29. 29.📅 An app team plans for 5 days, builds for 4 days, tests for 2 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
30. 30.👥 A library app has 145 readers, 80 librarians and 125 volunteers as users. Which user group is the biggest? (a) librarians (b) readers (c) volunteers
31. 31.True or false: a calculator is a learning app. (a) False (b) True
32. 32.True or false: a lost-and-found board solves a real problem. (a) False (b) True
33. 33.📊 Survey: which problem bugs you most? How many students voted in all?
    losing water bottles: 5 votes
    no quiet study place: 15 votes
    wasting pocket money: 3 votes
34. 34.True or false: a date picker is an input. (a) False (b) True
35. 35.💡 Does an app idea like a button with no action solve a real problem? (a) Yes (b) No
36. 36.🧩 In an app, what is the log-in page? (a) a button (b) an input (c) a screen (d) data
37. 37.True or false: a cricket run chase is a game. (a) True (b) False
38. 38.🎯 Is this a user need or a feature: a dark mode switch? (a) a feature (b) a user need
39. 39.🎯 Is this a user need or a feature: “I forget my homework”? (a) a user need (b) a feature
40. 40.⚙️ What number does this app show?
    let km = 5; // typed by the user
    let metres = km * 1000;
    show(metres);

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