App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 886 · 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.🧩 In an app, what is a slider for volume? (a) an input (b) a button (c) data (d) a screen
2. 2.⚙️ Which line does the processing (works out the answer)?
   line 1: let km = 7; // typed by the user
   line 2: let metres = km * 1000;
   line 3: show(metres); (a) line 1 (b) line 2 (c) line 3
3. 3.True or false: a date picker is data. (a) True (b) False
4. 4.🧩 How many buttons does this app screen have?
   [title] Add Homework
   [text box] Due date
   [button] Back
   [text box] Subject
   [slider] Brightness
   [switch] Remind me
   [button] Send
5. 5.True or false: you share the download link at the release stage. (a) False (b) True
6. 6.🗒️ Version 1 of a homework planner must be ready in 10 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: 3 days
7. 7.🎯 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 pocket-money tracker
8. 8.Which of these is an input? (a) a result on screen (b) a beep sound (c) tapping a button (d) sorting the scores
9. 9.🗒️ In MVP, the M stands for ___. (a) mobile (b) maximum (c) music (d) minimum
10. 10.🛠️ At which stage do you write down the bugs? (a) the test stage (b) the idea stage (c) the build stage (d) the plan stage
11. 11.🔢 After an app is released, which comes first: “test it again” or “list what to fix”? (a) list what to fix (b) test it again
12. 12.🗒️ When should nice-to-have features be built? (a) on day one (b) never (c) before anything (d) after the must-haves
13. 13.Which of these app ideas solves a real problem? (a) a button with no action (b) an app that just says hi (c) a free study-room finder (d) a page of random dots
14. 14.🎯 Is this a user need or a feature: a dark mode switch? (a) a feature (b) a user need
15. 15.🔍 Which is the odd one out? (a) write down the bugs (b) try every button (c) spot a problem to solve (d) let friends try it
16. 16.🗂️ What kind of app is a cricket run chase? (a) a game (b) a health app (c) a tool app (d) a learning app
17. 17.🎯 Which app would help this user most: a runner who forgets to sip water? (a) a pocket-money tracker (b) a bus tracker (c) a water reminder (d) a recipe finder
18. 18.True or false: you spot a problem to solve at the idea stage. (a) True (b) False
19. 19.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) rate the driver (b) a dark mode (c) change the bus icon (d) pick your bus stop
20. 20.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Settings
    [button] Cancel
    [button] Next
    [switch] Sound
    [text box] Notes
    [text box] Email
    [button] Save
21. 21.True or false: tap to go Next is a button. (a) True (b) False
22. 22.True or false: an app is installed on a phone. (a) False (b) True
23. 23.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) share tasks to friends (b) pick a theme colour (c) earn stickers (d) set a due date
24. 24.True or false: you spot a problem to solve at the build stage. (a) True (b) False
25. 25.💡 Which app idea solves this problem: pupils forget due dates? (a) a bill splitter (b) a medicine reminder (c) a lost-and-found board (d) a homework planner
26. 26.⚙️ What number does this app show?
    let price = 15; // typed by the user
    let qty = 3; // typed by the user
    let total = price * qty;
    show(total);
27. 27.Which of these is processing? (a) a buzz (vibration) (b) checking a password (c) a beep sound (d) tapping a button
28. 28.Which of these is a button? (a) the game-over page (b) tap to Save (c) your high score (d) your saved notes
29. 29.📱 Which one comes from an app store: an app or a website? (a) a website (b) an app
30. 30.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) add a homework task (b) see tasks by day (c) share tasks to friends (d) set a due date
31. 31.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting birthdays: 18 votes
    forgetting homework: 23 votes
    losing water bottles: 19 votes (a) forgetting homework (b) forgetting birthdays (c) losing water bottles
32. 32.🎯 What is a user need? (a) a colour theme (b) a problem a user has (c) a phone setting (d) a type of button
33. 33.Which of these app ideas solves a real problem? (a) a medicine reminder (b) a button with no action (c) a page of random dots (d) a blank grey screen
34. 34.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 300; // typed by the user
    line 2: let off = 10; // typed by the user
    line 3: let pay = price - off;
    line 4: show(pay); (a) line 4 (b) line 1 (c) line 3 (d) line 2
35. 35.⚙️ What number does this app show?
    let bill = 160; // typed by the user
    let friends = 2; // typed by the user
    let share = bill / friends;
    show(share);
36. 36.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting homework: 13 votes
    no quiet study place: 17 votes
    forgetting birthdays: 5 votes
37. 37.🔢 After an app is released, which comes first: “fix and improve” or “read user reviews”? (a) read user reviews (b) fix and improve
38. 38.🔍 Which is the odd one out? (a) a puzzle with levels (b) an alarm clock (c) a word battle (d) a racing challenge
39. 39.📊 Survey: which problem bugs you most? How many more votes did “wasting pocket money” get than “forgetting homework”?
    wasting pocket money: 24 votes
    forgetting birthdays: 17 votes
    forgetting homework: 15 votes
40. 40.🧩 In an app, what is the log-in page? (a) an input (b) a button (c) data (d) a screen

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