App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 102 · 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.📊 Survey: which problem bugs you most? Which problem should your app solve first?
   forgetting homework: 4 votes
   losing water bottles: 13 votes
   no quiet study place: 11 votes (a) no quiet study place (b) forgetting homework (c) losing water bottles
2. 2.📊 Survey: which problem bugs you most? How many more votes did “losing water bottles” get than “forgetting homework”?
   losing water bottles: 17 votes
   forgetting birthdays: 24 votes
   forgetting homework: 15 votes
3. 3.True or false: a switch for dark mode is an input. (a) True (b) False
4. 4.🧑 Who is an app really made for? (a) its charger (b) its users (c) its icon (d) its coder only
5. 5.Which of these is a button? (a) the home page of an app (b) a date picker (c) tap to Send (d) your friends list
6. 6.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) see tasks by day (b) set a due date (c) add a homework task (d) pick a theme colour
7. 7.True or false: a recipe finder is the best fit for a parent waiting at the bus stop. (a) True (b) False
8. 8.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) custom alert sounds (b) water animations (c) see today’s total (d) share your streak
9. 9.🗂️ What kind of app is a cricket run chase? (a) a tool app (b) a game (c) a health app (d) a learning app
10. 10.🧩 How many buttons does this app screen have?
    [title] New Note
    [slider] Volume
    [text box] Age
    [button] Next
11. 11.🗒️ You are planning version 1 of a bus tracker. Which feature can WAIT for a later version? (a) see where the bus is (b) pick your bus stop (c) show arrival time (d) rate the driver
12. 12.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 160; // typed by the user
    line 2: let off = 30; // typed by the user
    line 3: let pay = price - off;
    line 4: show(pay); (a) line 1 (b) line 2 (c) line 4 (d) line 3
13. 13.🔍 Which is the odd one out? (a) talk to possible users (b) spot a problem to solve (c) list what users need (d) write the store text
14. 14.🧩 In an app, what is a box to type a name? (a) an input (b) a screen (c) data (d) a button
15. 15.🎯 Which app would help this user most: a grandparent with weak eyesight? (a) a big-text reader (b) a bus tracker (c) a pocket-money tracker (d) a recipe finder
16. 16.📴 Which of these can often still work with no internet? (a) a new website (b) an online search (c) an installed app (d) a video call
17. 17.💡 Which app idea solves this problem: a team shares one snack bill? (a) a study-room finder (b) a bill splitter (c) a lost-and-found board (d) a medicine reminder
18. 18.📊 Survey: which problem bugs you most? How many students voted in all?
    no quiet study place: 21 votes
    forgetting homework: 16 votes
    losing water bottles: 25 votes
19. 19.🔍 Which is the odd one out? (a) share the download link (b) put it on an app store (c) list what users need (d) write the store text
20. 20.👥 A cricket club app has 215 players, 70 coaches and 20 fans as users. Which user group is the biggest? (a) fans (b) coaches (c) players
21. 21.🎯 Why learn about users before you build? (a) to make it longer (b) to build what they need (c) to pick a logo (d) to slow it down
22. 22.⚙️ In an app, is a buzz (vibration) an input, processing or an output? (a) processing (b) output (c) input
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 1 (b) line 2 (c) line 3 (d) line 4
24. 24.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 10; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 3 (b) line 1 (c) line 2
25. 25.Which of these is data? (a) a slider for volume (b) your friends list (c) a date picker (d) tap to go Next
26. 26.💡 Which app idea solves this problem: bottles go missing at school? (a) a lost-and-found board (b) a bill splitter (c) a homework planner (d) a medicine reminder
27. 27.⚙️ What number does this app show?
    let price = 55; // typed by the user
    let qty = 4; // typed by the user
    let total = price * qty;
    show(total);
28. 28.🧩 How many buttons does this app screen have?
    [title] Edit Profile
    [text box] Name
    [text box] City
    [text box] Due date
    [button] Next
    [slider] Brightness
    [switch] Remind me
29. 29.💡 Which app idea solves this problem: Grandpa forgets his tablets? (a) a bill splitter (b) a lost-and-found board (c) a medicine reminder (d) a study-room finder
30. 30.Which of these is an input? (a) typing your age (b) working out a tip (c) checking a password (d) a beep sound
31. 31.True or false: a buzz (vibration) is an output. (a) False (b) True
32. 32.Which of these app ideas solves no real problem? (a) a free study-room finder (b) an app that just says hi (c) a bill splitter (d) a library due-date alert
33. 33.True or false: a recipe finder is the best fit for a teen learning to make snacks. (a) True (b) False
34. 34.💡 After a survey, which need should version 1 solve? (a) the rarest need (b) a random need (c) the most common need (d) the newest trend
35. 35.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) check the answer (b) confetti effects (c) background music (d) an avatar shop
36. 36.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    missing the bus: 11 votes
    forgetting birthdays: 15 votes
    losing water bottles: 25 votes (a) losing water bottles (b) missing the bus (c) forgetting birthdays
37. 37.⚙️ What number does this app show?
    let km = 3; // typed by the user
    let metres = km * 1000;
    show(metres);
38. 38.📱 Which one needs no installing: an app or a website? (a) a website (b) an app
39. 39.📱 Which one has a home-screen icon: an app or a website? (a) a website (b) an app
40. 40.True or false: you sketch the screens at the test stage. (a) True (b) False

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