App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 561 · 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 a real problem? (a) an app that just says hi (b) a button with no action (c) a blank grey screen (d) a library due-date alert
2. 2.🔢 When you make an app, what comes right after “build the app”? (a) release it (b) test the app (c) get an idea (d) plan the screens
3. 3.🔍 Which is the odd one out? (a) working out a tip (b) a pop-up message (c) sorting the scores (d) adding up a bill
4. 4.📊 Survey: which problem bugs you most? How many more votes did “wasting pocket money” get than “losing water bottles”?
   wasting pocket money: 20 votes
   forgetting birthdays: 24 votes
   losing water bottles: 11 votes
5. 5.🧩 Which input is best for typing your name? (a) a picture (b) a slider (c) a switch (d) a text box
6. 6.Which of these is a feature? (a) “I forget my homework” (b) “Small text is hard” (c) a dark mode switch (d) “What should I cook?”
7. 7.⚙️ What number does this app show?
   let bill = 168; // typed by the user
   let friends = 3; // typed by the user
   let share = bill / friends;
   show(share);
8. 8.True or false: the game-over page is a button. (a) False (b) True
9. 9.Which of these happens at the idea stage? (a) talk to possible users (b) put it on an app store (c) connect the data (d) try every button
10. 10.True or false: a word battle is a learning app. (a) True (b) False
11. 11.📅 An app team plans for 4 days, builds for 11 days, tests for 3 days and releases on 1 more day. How many days does the whole project take?
12. 12.True or false: a website opens in a web browser. (a) False (b) True
13. 13.💡 Which app idea solves this problem: bottles go missing at school? (a) a study-room finder (b) a bill splitter (c) a homework planner (d) a lost-and-found board
14. 14.🗒️ You are planning version 1 of a bus tracker. Which feature can WAIT for a later version? (a) show arrival time (b) pick your bus stop (c) see where the bus is (d) change the bus icon
15. 15.🔍 Which is the odd one out? (a) a beep sound (b) a result on screen (c) speaking a command (d) a pop-up message
16. 16.🎯 Who are the users of an app? (a) the people who use it (b) the app icons (c) only the coders (d) only the testers
17. 17.📊 Survey: which problem bugs you most? How many more votes did “forgetting birthdays” get than “missing the bus”?
    missing the bus: 9 votes
    forgetting birthdays: 14 votes
    wasting pocket money: 7 votes
18. 18.📅 An app team plans for 2 days, builds for 6 days, tests for 3 days and releases on 1 more day. How many more days does building take than testing?
19. 19.🔍 Which is the odd one out? (a) spot a problem to solve (b) talk to possible users (c) write the code (d) list what users need
20. 20.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) add a homework task (b) set a due date (c) share tasks to friends (d) see tasks by day
21. 21.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting birthdays: 16 votes
    no quiet study place: 11 votes
    losing water bottles: 8 votes (a) no quiet study place (b) forgetting birthdays (c) losing water bottles
22. 22.True or false: a switch for dark mode is a screen. (a) True (b) False
23. 23.Which of these is a user need? (a) “Small text is hard” (b) a share button (c) a dark mode switch (d) a reminder alarm
24. 24.True or false: a website is installed on a phone. (a) True (b) False
25. 25.True or false: you list what users need at the idea stage. (a) False (b) True
26. 26.🔍 Which is the odd one out? (a) a unit converter (b) a calculator (c) an alarm clock (d) a word battle
27. 27.🧩 How many buttons does this app screen have?
    [title] Edit Profile
    [button] Done
    [button] Back
    [text box] Age
    [slider] Text size
    [button] Send
28. 28.🔍 Which is the odd one out? (a) talk to possible users (b) add the buttons (c) spot a problem to solve (d) list what users need
29. 29.Which of these app ideas solves no real problem? (a) a blank grey screen (b) a free study-room finder (c) a bill splitter (d) a medicine reminder
30. 30.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) share your streak (b) water animations (c) custom alert sounds (d) log a glass of water
31. 31.🧩 In an app, what is the home page of an app? (a) an input (b) a screen (c) a button (d) data
32. 32.🗒️ 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) set a due date (d) pick a theme colour
33. 33.Which of these is data? (a) your high score (b) the log-in page (c) tap to Save (d) a box to type a name
34. 34.True or false: a pocket-money tracker is the best fit for a teen whose money runs out by Friday. (a) False (b) True
35. 35.🎯 Is this a user need or a feature: “Small text is hard”? (a) a user need (b) a feature
36. 36.True or false: a big-text reader is the best fit for a child saving up for a cycle. (a) True (b) False
37. 37.⚙️ What number does this app show?
    let price = 590; // typed by the user
    let off = 50; // typed by the user
    let pay = price - off;
    show(pay);
38. 38.Which of these happens at the plan stage? (a) sketch the screens (b) share the download link (c) add the buttons (d) write the store text
39. 39.🧩 In an app, what is your saved notes? (a) a screen (b) an input (c) a button (d) data
40. 40.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 45; // typed by the user
    line 2: let qty = 4; // typed by the user
    line 3: let total = price * qty;
    line 4: show(total); (a) line 4 (b) line 1 (c) line 2 (d) line 3

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