App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 188 · 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.True or false: an app is installed on a phone. (a) True (b) False
2. 2.📅 An app team plans for 3 days, builds for 7 days, tests for 3 days and releases on 1 more day. How many more days does building take than testing?
3. 3.Which of these is a screen? (a) a switch for dark mode (b) the game-over page (c) tap to go Next (d) today’s step count
4. 4.🗂️ What kind of app is an alarm clock? (a) a health app (b) a learning app (c) a game (d) a tool app
5. 5.📱 Which one has a web address: an app or a website? (a) a website (b) an app
6. 6.Which of these is true of an app? (a) needs no installing (b) has a web address (c) has a home-screen icon (d) opens in a web browser
7. 7.Which of these is an input? (a) taking a photo (b) working out a tip (c) a buzz (vibration) (d) a pop-up message
8. 8.📊 Survey: which problem bugs you most? How many more votes did “wasting pocket money” get than “missing the bus”?
   wasting pocket money: 19 votes
   forgetting homework: 7 votes
   missing the bus: 9 votes
9. 9.🧩 How many buttons does this app screen have?
   [title] Sign Up
   [text box] Due date
   [button] Save
   [button] Done
   [button] Next
   [text box] Phone
   [text box] Email
10. 10.⚙️ What number does this app show?
    let bill = 272; // typed by the user
    let friends = 4; // typed by the user
    let share = bill / friends;
    show(share);
11. 11.🔢 After an app is released, which comes first: “fix and improve” or “list what to fix”? (a) fix and improve (b) list what to fix
12. 12.📊 Survey: which problem bugs you most? How many more votes did “missing the bus” get than “wasting pocket money”?
    missing the bus: 24 votes
    forgetting homework: 15 votes
    wasting pocket money: 8 votes
13. 13.True or false: your saved notes is data. (a) True (b) False
14. 14.🗒️ What is a must-have feature? (a) a nice extra (b) one the app cannot skip (c) a colour theme (d) a sound effect
15. 15.True or false: a flashcard trainer is a health app. (a) True (b) False
16. 16.True or false: you put it on an app store at the build stage. (a) False (b) True
17. 17.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    losing water bottles: 14 votes
    no quiet study place: 23 votes
    missing the bus: 9 votes (a) missing the bus (b) losing water bottles (c) no quiet study place
18. 18.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) set a due date (b) add a homework task (c) see tasks by day (d) share tasks to friends
19. 19.True or false: a bill splitter solves a real problem. (a) False (b) True
20. 20.🗒️ In MVP, the M stands for ___. (a) music (b) maximum (c) minimum (d) mobile
21. 21.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) an avatar shop (b) background music (c) show a question (d) confetti effects
22. 22.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) pie-chart colours (b) show the balance (c) add money received (d) add money spent
23. 23.🛠️ At which stage do you add the buttons? (a) the build stage (b) the test stage (c) the idea stage (d) the release stage
24. 24.True or false: you sketch the screens at the plan stage. (a) False (b) True
25. 25.⚙️ What number does this app show?
    let bill = 260; // typed by the user
    let friends = 5; // typed by the user
    let share = bill / friends;
    show(share);
26. 26.Which of these app ideas solves a real problem? (a) a page of random dots (b) a button with no action (c) a medicine reminder (d) a blank grey screen
27. 27.🛠️ At which stage do you spot a problem to solve? (a) the release stage (b) the idea stage (c) the test stage (d) the build stage
28. 28.🛠️ At which stage do you write the store text? (a) the release stage (b) the idea stage (c) the plan stage (d) the test stage
29. 29.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) custom alert sounds (b) see today’s total (c) log a glass of water (d) set a reminder time
30. 30.🔢 When you make an app, what comes right after “get an idea”? (a) build the app (b) plan the screens (c) release it (d) test the app
31. 31.True or false: tap to Start is a button. (a) True (b) False
32. 32.🎯 A short made-up profile of a typical user is called a ___. (a) protocol (b) persona (c) pixel (d) password
33. 33.🧩 How many buttons does this app screen have?
    [title] Settings
    [text box] Age
    [button] Back
    [button] Next
34. 34.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) water animations (b) log a glass of water (c) share your streak (d) custom alert sounds
35. 35.Which of these is a screen? (a) the log-in page (b) a box to type a name (c) tap to Start (d) your high score
36. 36.🎯 Which app would help this user most: a teen whose money runs out by Friday? (a) a big-text reader (b) a homework planner (c) a recipe finder (d) a pocket-money tracker
37. 37.👥 A clinic app has 145 patients, 105 doctors and 255 nurses as users. Which user group is the biggest? (a) doctors (b) nurses (c) patients
38. 38.Which of these is a user need? (a) a dark mode switch (b) a reminder alarm (c) “I forget my homework” (d) a search bar
39. 39.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 360; // typed by the user
    line 2: let off = 40; // typed by the user
    line 3: let pay = price - off;
    line 4: show(pay); (a) line 1 (b) line 3 (c) line 2 (d) line 4
40. 40.📱 Which one comes from an app store: an app or a website? (a) an app (b) a website

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