← What apps are: Part 1 test lesson New set →

App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 361 · 40 questions
TalentJR

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.

NameDateTime takenScore ___ / 40
  1. 1.🔍 Which is the odd one out? (a) a water reminder (b) a unit converter (c) an alarm clock (d) a calculator
  2. 2.🧩 Which of these is a button on this screen?
    [title] Order Snacks
    [text box] City
    [button] Start
    [text box] Subject
    [switch] Dark mode
    [slider] Brightness
    [text box] Name     (a) Name (b) Start (c) Subject (d) City
  3. 3.📅 An app team plans for 5 days, builds for 4 days, tests for 1 days and releases on 1 more day. How many more days does building take than testing?
  4. 4.Which of these is data? (a) your high score (b) a switch for dark mode (c) the game-over page (d) a box to type a name
  5. 5.True or false: taking a photo is an input. (a) True (b) False
  6. 6.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 5; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres);     (a) line 3 (b) line 2 (c) line 1
  7. 7.🔢 After an app is released, which comes LAST? (a) test it again (b) list what to fix (c) release an update (d) read user reviews
  8. 8.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 81; // typed by the user
    line 2: let friends = 3; // typed by the user
    line 3: let share = bill / friends;
    line 4: show(share);     (a) line 4 (b) line 1 (c) line 3 (d) line 2
  9. 9.🔢 After an app is released, which comes first: “read user reviews” or “list what to fix”? (a) read user reviews (b) list what to fix
  10. 10.True or false: an app updates from the store. (a) False (b) True
  11. 11.🗒️ 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: 3 days
    add money spent: 2 days
    show the balance: 4 days
  12. 12.🗒️ 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) a dark mode (d) see where the bus is
  13. 13.📊 Survey: which problem bugs you most? How many more votes did “losing water bottles” get than “no quiet study place”?
    no quiet study place: 17 votes
    forgetting birthdays: 12 votes
    losing water bottles: 21 votes
  14. 14.True or false: a switch for dark mode is an input. (a) True (b) False
  15. 15.True or false: you talk to possible users at the release stage. (a) True (b) False
  16. 16.🗒️ Version 1 of a bus tracker must be ready in 9 days. How many days are left for extras after the must-haves?
    see where the bus is: 2 days
    show arrival time: 1 days
    pick your bus stop: 3 days
  17. 17.👥 A school app has 70 students, 170 teachers and 95 parents as users. Which user group is the biggest? (a) students (b) parents (c) teachers
  18. 18.True or false: an app needs no installing. (a) True (b) False
  19. 19.Which of these app ideas solves no real problem? (a) a library due-date alert (b) a lost-and-found board (c) a bill splitter (d) a page of random dots
  20. 20.📱 Which one updates from the store: an app or a website? (a) an app (b) a website
  21. 21.📊 Survey: which problem bugs you most? How many students voted in all?
    losing water bottles: 22 votes
    forgetting birthdays: 21 votes
    no quiet study place: 10 votes
  22. 22.🗂️ What kind of app is a flashcard trainer? (a) a learning app (b) a health app (c) a tool app (d) a game
  23. 23.🧩 What do we call one full page of an app? (a) a variable (b) a screen (c) a battery (d) a cable
  24. 24.🔍 Which is the odd one out? (a) talk to possible users (b) spot a problem to solve (c) draw the user flow (d) list what users need
  25. 25.📊 Survey: which problem bugs you most? How many more votes did “losing water bottles” get than “missing the bus”?
    missing the bus: 6 votes
    losing water bottles: 9 votes
    forgetting birthdays: 23 votes
  26. 26.📅 An app team plans for 4 days, builds for 12 days, tests for 3 days and releases on 1 more day. How many days does the whole project take?
  27. 27.📊 Survey: which problem bugs you most? How many more votes did “forgetting birthdays” get than “missing the bus”?
    forgetting birthdays: 7 votes
    missing the bus: 4 votes
    wasting pocket money: 8 votes
  28. 28.🧩 In an app, what is a switch for dark mode? (a) a screen (b) an input (c) data (d) a button
  29. 29.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting homework: 25 votes
    wasting pocket money: 23 votes
    no quiet study place: 24 votes
  30. 30.🧩 Which input is best for typing your name? (a) a switch (b) a slider (c) a picture (d) a text box
  31. 31.True or false: a bill splitter solves no real problem. (a) True (b) False
  32. 32.⚙️ What number does this app show?
    let price = 600; // typed by the user
    let off = 50; // typed by the user
    let pay = price - off;
    show(pay);
  33. 33.Which of these is a feature? (a) “Small text is hard” (b) “What should I cook?” (c) “I keep missing the bus” (d) a reminder alarm
  34. 34.🔢 After an app is released, what comes right after “test it again”? (a) release an update (b) read user reviews (c) fix and improve (d) list what to fix
  35. 35.Which of these is a user need? (a) a reminder alarm (b) “I keep missing the bus” (c) a share button (d) a search bar
  36. 36.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 36; // typed by the user
    line 2: let friends = 2; // typed by the user
    line 3: let share = bill / friends;
    line 4: show(share);     (a) line 4 (b) line 2 (c) line 1 (d) line 3
  37. 37.Which of these app ideas solves a real problem? (a) an app that just says hi (b) a page of random dots (c) a library due-date alert (d) a button with no action
  38. 38.💡 Does an app idea like a blank grey screen solve a real problem? (a) Yes (b) No
  39. 39.🧩 How many buttons does this app screen have?
    [title] Edit Profile
    [button] Help
    [text box] Age
    [slider] Text size
    [text box] Name
    [text box] Phone
    [button] Send
  40. 40.🗒️ Why keep version 1 small? (a) to learn from users soon (b) to use up storage (c) to confuse users (d) to look bigger

Answer key

  1. a water reminder
  2. Start
  3. 3
  4. your high score
  5. True
  6. line 2
  7. release an update
  8. line 3
  9. read user reviews
  10. True
  11. 3
  12. a dark mode
  13. 4
  14. True
  15. False
  16. 3
  17. teachers
  18. False
  19. a page of random dots
  20. an app
  21. 53
  22. a learning app
  23. a screen
  24. draw the user flow
  25. 3
  26. 20
  27. 3
  28. an input
  29. 72
  30. a text box
  31. False
  32. 550
  33. a reminder alarm
  34. release an update
  35. “I keep missing the bus”
  36. line 3
  37. a library due-date alert
  38. No
  39. 2
  40. to learn from users soon

Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students