App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 272 · 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.🔢 After an app is released, which comes LAST? (a) list what to fix (b) fix and improve (c) release an update (d) test it again
2. 2.Which of these is a screen? (a) the game-over page (b) your saved notes (c) your high score (d) tap to Start
3. 3.📴 Which of these can often still work with no internet? (a) a new website (b) an installed app (c) a video call (d) an online search
4. 4.Which of these is data? (a) a box to type a name (b) the home page of an app (c) the log-in page (d) your high score
5. 5.📊 Survey: which problem bugs you most? Which problem should your app solve first?
   wasting pocket money: 11 votes
   no quiet study place: 10 votes
   forgetting homework: 19 votes (a) no quiet study place (b) wasting pocket money (c) forgetting homework
6. 6.True or false: a calculator is a tool app. (a) False (b) True
7. 7.🗂️ What kind of app is a spelling coach? (a) a tool app (b) a learning app (c) a game (d) a health app
8. 8.Which of these happens at the build stage? (a) add the buttons (b) sketch the screens (c) let friends try it (d) talk to possible users
9. 9.Which of these is processing? (a) adding up a bill (b) typing your age (c) a beep sound (d) speaking a command
10. 10.🗒️ 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) custom alert sounds
11. 11.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    missing the bus: 6 votes
    losing water bottles: 12 votes
    no quiet study place: 13 votes (a) missing the bus (b) no quiet study place (c) losing water bottles
12. 12.Which of these is true of an app? (a) opens in a web browser (b) opens from a link (c) needs no installing (d) has a home-screen icon
13. 13.🎯 Who are the users of an app? (a) the app icons (b) only the testers (c) the people who use it (d) only the coders
14. 14.🧩 In an app, what is the settings page? (a) data (b) a screen (c) an input (d) a button
15. 15.🗂️ What kind of app is an alarm clock? (a) a learning app (b) a game (c) a health app (d) a tool app
16. 16.🔍 Which is the odd one out? (a) write the code (b) connect the data (c) add the buttons (d) write down the bugs
17. 17.Which of these is a feature? (a) “I keep missing the bus” (b) a search bar (c) “Small text is hard” (d) “What should I cook?”
18. 18.🔢 When you make an app, which comes first: “test the app” or “build the app”? (a) test the app (b) build the app
19. 19.🗒️ What is a must-have feature? (a) a nice extra (b) one the app cannot skip (c) a colour theme (d) a sound effect
20. 20.🎯 Is this a user need or a feature: “What should I cook?”? (a) a feature (b) a user need
21. 21.📱 Which one comes from an app store: an app or a website? (a) an app (b) a website
22. 22.🎯 An app for “everyone” with no clear user usually ___. (a) helps nobody well (b) wins every prize (c) is easy to build (d) needs no testing
23. 23.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 145; // typed by the user
    line 2: let friends = 5; // 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
24. 24.Which of these app ideas solves no real problem? (a) a page of random dots (b) a library due-date alert (c) a medicine reminder (d) a lost-and-found board
25. 25.🧩 How many buttons does this app screen have?
    [title] Sign Up
    [text box] Due date
    [text box] Name
    [button] Done
    [button] Next
    [text box] Phone
26. 26.🧩 Which of these is a button on this screen?
    [title] New Note
    [slider] Volume
    [button] Done
    [text box] Notes
    [text box] Age
    [button] Back
    [switch] Show hints
    [text box] Subject (a) Back (b) Notes (c) Subject (d) Age
27. 27.True or false: a free study-room finder solves no real problem. (a) False (b) True
28. 28.True or false: tap to Send is a button. (a) False (b) True
29. 29.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) show the balance (b) add money spent (c) pie-chart colours (d) add money received
30. 30.Which of these happens at the plan stage? (a) list what users need (b) draw the user flow (c) add the buttons (d) spot a problem to solve
31. 31.💡 An app that tries to do everything at once is usually ___. (a) finished fast (b) very small (c) hard to use (d) easy to build
32. 32.👥 A library app has 175 readers, 155 librarians and 200 volunteers as users. How many users does it have in all?
33. 33.👥 A clinic app has 85 patients, 175 doctors and 295 nurses as users. How many users does it have in all?
34. 34.Which of these is a feature? (a) “Small text is hard” (b) “I forget my homework” (c) “What should I cook?” (d) a reminder alarm
35. 35.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Order Snacks
    [text box] Subject
    [text box] City
    [slider] Text size
    [button] Cancel
    [text box] Due date
36. 36.⚙️ What number does this app show?
    let price = 100; // typed by the user
    let off = 20; // typed by the user
    let pay = price - off;
    show(pay);
37. 37.🗒️ You are planning version 1 of a bus tracker. Which feature can WAIT for a later version? (a) rate the driver (b) see where the bus is (c) show arrival time (d) pick your bus stop
38. 38.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Order Snacks
    [button] Done
    [text box] Name
    [text box] Age
    [text box] Email
    [button] Next
39. 39.Which of these app ideas solves no real problem? (a) a blank grey screen (b) a library due-date alert (c) a bill splitter (d) a medicine reminder
40. 40.🧩 How many buttons does this app screen have?
    [title] Order Snacks
    [button] Back
    [button] Cancel
    [button] Start
    [text box] Name

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