App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 719 · 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 of these app ideas solves no real problem? (a) a free study-room finder (b) a lost-and-found board (c) a medicine reminder (d) a button with no action
2. 2.👥 A clinic app has 265 patients, 235 doctors and 40 nurses as users. How many more doctors than nurses are there?
3. 3.🗒️ 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) add money received (d) savings stickers
4. 4.🗒️ When should nice-to-have features be built? (a) never (b) after the must-haves (c) before anything (d) on day one
5. 5.🗂️ What kind of app is a calculator? (a) a tool app (b) a learning app (c) a game (d) a health app
6. 6.📱 Which one opens in a web browser: an app or a website? (a) a website (b) an app
7. 7.🧩 How many buttons does this app screen have?
   [title] New Note
   [text box] Notes
   [button] Help
   [text box] Subject
   [button] Start
   [button] Cancel
   [slider] Brightness
   [text box] Phone
8. 8.🎯 What is a user need? (a) a colour theme (b) a phone setting (c) a problem a user has (d) a type of button
9. 9.Which of these is processing? (a) tapping a button (b) taking a photo (c) a pop-up message (d) sorting the scores
10. 10.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    wasting pocket money: 7 votes
    forgetting homework: 4 votes
    no quiet study place: 13 votes (a) no quiet study place (b) forgetting homework (c) wasting pocket money
11. 11.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) add money spent (b) add money received (c) show the balance (d) pie-chart colours
12. 12.🧩 Which of these is a button on this screen?
    [title] Settings
    [text box] City
    [button] Save
    [text box] Subject
    [text box] Phone (a) Subject (b) City (c) Save (d) Phone
13. 13.🧩 In an app, what is the log-in page? (a) a screen (b) a button (c) an input (d) data
14. 14.True or false: a pop-up message is an input. (a) True (b) False
15. 15.🎯 Which app would help this user most: a student who often misses the school bus? (a) a recipe finder (b) a bus tracker (c) a homework planner (d) a pocket-money tracker
16. 16.🗒️ Version 1 of a water reminder must be ready in 16 days. How many days are left for extras after the must-haves?
    set a reminder time: 4 days
    log a glass of water: 2 days
    see today’s total: 4 days
17. 17.⚙️ What number does this app show?
    let price = 520; // typed by the user
    let off = 40; // typed by the user
    let pay = price - off;
    show(pay);
18. 18.🧩 Which of these is a button on this screen?
    [title] New Note
    [switch] Show hints
    [text box] Subject
    [button] Help (a) Subject (b) Show hints (c) Help
19. 19.True or false: the settings page is a screen. (a) False (b) True
20. 20.🗒️ 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: 4 days
    log a glass of water: 2 days
    see today’s total: 3 days
21. 21.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Sign Up
    [text box] Subject
    [text box] City
    [button] Start
    [button] Next
    [text box] Age
    [button] Help
22. 22.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 10; // typed by the user
    line 2: let qty = 2; // typed by the user
    line 3: let total = price * qty;
    line 4: show(total); (a) line 4 (b) line 1 (c) line 3 (d) line 2
23. 23.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting birthdays: 8 votes
    wasting pocket money: 4 votes
    forgetting homework: 14 votes
24. 24.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) water animations (b) log a glass of water (c) see today’s total (d) set a reminder time
25. 25.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Add Homework
    [button] Cancel
    [text box] Name
    [button] Send
    [slider] Text size
    [switch] Show hints
26. 26.🔍 Which is the odd one out? (a) a calculator (b) a word battle (c) a cricket run chase (d) a racing challenge
27. 27.🧩 Which of these is a button on this screen?
    [title] New Note
    [button] Save
    [button] Send
    [switch] Show hints
    [text box] Email (a) Email (b) Save (c) Show hints
28. 28.🔢 After an app is released, which comes first: “test it again” or “read user reviews”? (a) read user reviews (b) test it again
29. 29.📱 Where do people usually download phone apps from? (a) a web server (b) a charger (c) a printer (d) an app store
30. 30.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) add a homework task (b) pick a theme colour (c) share tasks to friends (d) earn stickers
31. 31.⚙️ What number does this app show?
    let km = 6; // typed by the user
    let metres = km * 1000;
    show(metres);
32. 32.Which of these app ideas solves a real problem? (a) a page of random dots (b) a blank grey screen (c) a button with no action (d) a library due-date alert
33. 33.True or false: a bill splitter solves no real problem. (a) False (b) True
34. 34.🎯 Who are the users of an app? (a) the people who use it (b) the app icons (c) only the testers (d) only the coders
35. 35.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) change the bus icon (b) rate the driver (c) a dark mode (d) show arrival time
36. 36.🗒️ Version 1 of a pocket-money tracker must be ready in 12 days. How many days are left for extras after the must-haves?
    add money received: 4 days
    add money spent: 1 days
    show the balance: 5 days
37. 37.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 196; // typed by the user
    line 2: let friends = 4; // typed by the user
    line 3: let share = bill / friends;
    line 4: show(share); (a) line 2 (b) line 3 (c) line 1 (d) line 4
38. 38.True or false: tap to Send is a button. (a) False (b) True
39. 39.Which of these is true of a website? (a) has a home-screen icon (b) updates from the store (c) opens from a link (d) comes from an app store
40. 40.📊 Survey: which problem bugs you most? How many more votes did “wasting pocket money” get than “missing the bus”?
    wasting pocket money: 17 votes
    missing the bus: 3 votes
    forgetting homework: 13 votes

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