App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 293 · 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.🗒️ 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: 4 days
   set a due date: 1 days
   see tasks by day: 4 days
2. 2.📊 Survey: which problem bugs you most? How many more votes did “wasting pocket money” get than “missing the bus”?
   wasting pocket money: 14 votes
   missing the bus: 11 votes
   no quiet study place: 10 votes
3. 3.True or false: working out a tip is an input. (a) False (b) True
4. 4.Which of these is an output? (a) working out a tip (b) tapping a button (c) typing your age (d) a result on screen
5. 5.🗒️ Version 1 of a pocket-money tracker must be ready in 15 days. How many days are left for extras after the must-haves?
   add money received: 3 days
   add money spent: 2 days
   show the balance: 4 days
6. 6.Which of these happens at the plan stage? (a) try every button (b) write down the bugs (c) let friends try it (d) sketch the screens
7. 7.👥 A clinic app has 225 patients, 230 doctors and 20 nurses as users. How many users does it have in all?
8. 8.Which of these happens at the plan stage? (a) talk to possible users (b) write the code (c) list what users need (d) pick the features
9. 9.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Add Homework
   [button] Cancel
   [text box] Email
   [button] Next
   [slider] Volume
   [button] Help
10. 10.🧩 In an app, what is tap to Start? (a) data (b) a button (c) an input (d) a screen
11. 11.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    losing water bottles: 17 votes
    forgetting birthdays: 23 votes
    wasting pocket money: 5 votes (a) losing water bottles (b) wasting pocket money (c) forgetting birthdays
12. 12.True or false: today’s step count is a button. (a) True (b) False
13. 13.💡 Which app idea solves this problem: bottles go missing at school? (a) a medicine reminder (b) a homework planner (c) a lost-and-found board (d) a study-room finder
14. 14.📊 Survey: which problem bugs you most? How many students voted in all?
    no quiet study place: 24 votes
    forgetting homework: 22 votes
    missing the bus: 11 votes
15. 15.💡 Which app idea solves this problem: pupils forget due dates? (a) a study-room finder (b) a homework planner (c) a bill splitter (d) a lost-and-found board
16. 16.👥 A library app has 100 readers, 115 librarians and 80 volunteers as users. Which user group is the biggest? (a) volunteers (b) readers (c) librarians
17. 17.📱 Which one opens in a web browser: an app or a website? (a) an app (b) a website
18. 18.👥 A school app has 160 students, 200 teachers and 155 parents as users. How many more teachers than students are there?
19. 19.🔍 Which is the odd one out? (a) a unit converter (b) a word battle (c) a cricket run chase (d) a puzzle with levels
20. 20.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] New Note
    [switch] Remind me
    [button] Next
    [button] Save
    [slider] Brightness
    [button] Send
    [text box] Phone
21. 21.📊 Survey: which problem bugs you most? How many more votes did “forgetting birthdays” get than “wasting pocket money”?
    forgetting birthdays: 23 votes
    wasting pocket money: 9 votes
    losing water bottles: 15 votes
22. 22.Which of these is a button? (a) tap to go Next (b) today’s step count (c) a box to type a name (d) your friends list
23. 23.True or false: you add the buttons at the plan stage. (a) False (b) True
24. 24.👥 A cricket club app has 180 players, 230 coaches and 195 fans as users. Which user group is the biggest? (a) fans (b) coaches (c) players
25. 25.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting homework: 4 votes
    losing water bottles: 16 votes
    no quiet study place: 10 votes (a) losing water bottles (b) forgetting homework (c) no quiet study place
26. 26.🔍 Which is the odd one out? (a) speaking a command (b) taking a photo (c) typing your age (d) a buzz (vibration)
27. 27.🛠️ At which stage do you try every button? (a) the release stage (b) the build stage (c) the idea stage (d) the test stage
28. 28.⚙️ In an app, is speaking a command an input, processing or an output? (a) output (b) processing (c) input
29. 29.🗒️ Why keep version 1 small? (a) to learn from users soon (b) to look bigger (c) to use up storage (d) to confuse users
30. 30.True or false: a date picker is an input. (a) True (b) False
31. 31.Which of these app ideas solves no real problem? (a) a blank grey screen (b) a free study-room finder (c) a medicine reminder (d) a library due-date alert
32. 32.True or false: you share the download link at the plan stage. (a) True (b) False
33. 33.🔍 Which is the odd one out? (a) a spelling coach (b) a times-table quiz (c) a flashcard trainer (d) a word battle
34. 34.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) show the score (b) an avatar shop (c) confetti effects (d) background music
35. 35.True or false: a homework planner is the best fit for a student who often misses the school bus. (a) False (b) True
36. 36.⚙️ What number does this app show?
    let bill = 72; // typed by the user
    let friends = 2; // typed by the user
    let share = bill / friends;
    show(share);
37. 37.🧩 Which of these is a button on this screen?
    [title] Sign Up
    [text box] Name
    [button] Send
    [text box] Phone
    [text box] Notes
    [button] Cancel
    [button] Back (a) Send (b) Notes (c) Name (d) Phone
38. 38.True or false: the log-in page is a screen. (a) True (b) False
39. 39.True or false: a unit converter is a tool app. (a) False (b) True
40. 40.🧩 Which input is best for turning something ON or OFF? (a) a text box (b) a slider (c) a switch (d) a title

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