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App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 616 · 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.🗒️ You are planning version 1 of a bus tracker. Which feature can WAIT for a later version? (a) a dark mode (b) see where the bus is (c) pick your bus stop (d) show arrival time
  2. 2.🔍 Which is the odd one out? (a) taking a photo (b) adding up a bill (c) checking a password (d) sorting the scores
  3. 3.👥 A school app has 130 students, 95 teachers and 290 parents as users. How many users does it have in all?
  4. 4.⚙️ What number does this app show?
    let km = 2; // typed by the user
    let metres = km * 1000;
    show(metres);
  5. 5.Which of these is a user need? (a) a dark mode switch (b) a share button (c) a search bar (d) “I forget my homework”
  6. 6.🧩 How many buttons does this app screen have?
    [title] New Note
    [text box] Due date
    [switch] Dark mode
    [text box] Subject
    [button] Send
    [slider] Volume
    [text box] Email
  7. 7.💡 Which app idea solves this problem: bottles go missing at school? (a) a homework planner (b) a bill splitter (c) a medicine reminder (d) a lost-and-found board
  8. 8.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Order Snacks
    [slider] Brightness
    [text box] Due date
    [text box] Phone
    [button] Back
    [text box] Age
  9. 9.⚙️ What number does this app show?
    let bill = 85; // typed by the user
    let friends = 5; // typed by the user
    let share = bill / friends;
    show(share);
  10. 10.Which of these is an input? (a) sorting the scores (b) taking a photo (c) a beep sound (d) a pop-up message
  11. 11.Which of these is true of a website? (a) updates from the store (b) comes from an app store (c) has a home-screen icon (d) has a web address
  12. 12.💡 Which app idea solves this problem: a team shares one snack bill? (a) a bill splitter (b) a homework planner (c) a study-room finder (d) a medicine reminder
  13. 13.🔍 Which is the odd one out? (a) adding up a bill (b) tapping a button (c) taking a photo (d) speaking a command
  14. 14.⚙️ What number does this app show?
    let price = 60; // typed by the user
    let qty = 6; // typed by the user
    let total = price * qty;
    show(total);
  15. 15.🔢 When you make an app, which comes first: “get an idea” or “plan the screens”? (a) plan the screens (b) get an idea
  16. 16.🗒️ 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: 4 days
    see tasks by day: 2 days
  17. 17.Which of these is true of a website? (a) is installed on a phone (b) comes from an app store (c) opens from a link (d) has a home-screen icon
  18. 18.🧩 In an app, what is a date picker? (a) a button (b) an input (c) data (d) a screen
  19. 19.📲 What happens when you tap an app’s icon? (a) the phone charges (b) the app is deleted (c) the app opens (d) the sound turns off
  20. 20.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) set a reminder time (b) log a glass of water (c) see today’s total (d) share your streak
  21. 21.Which of these app ideas solves no real problem? (a) a medicine reminder (b) a bill splitter (c) a button with no action (d) a free study-room finder
  22. 22.True or false: a torch is a game. (a) True (b) False
  23. 23.Which of these happens at the idea stage? (a) try every button (b) sketch the screens (c) spot a problem to solve (d) share the download link
  24. 24.📅 An app team plans for 2 days, builds for 7 days, tests for 3 days and releases on 1 more day. How many more days does building take than testing?
  25. 25.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 13; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres);
    (a) line 3 (b) line 1 (c) line 2
  26. 26.🧩 Which part lets the user give the app information? (a) an input (b) a title (c) an icon (d) a logo
  27. 27.🗒️ Version 1 of a homework planner must be ready in 15 days. How many days are left for extras after the must-haves?
    add a homework task: 3 days
    set a due date: 3 days
    see tasks by day: 5 days
  28. 28.📊 Survey: which problem bugs you most? How many students voted in all?
    losing water bottles: 5 votes
    no quiet study place: 25 votes
    missing the bus: 4 votes
  29. 29.Which of these is a feature? (a) “Small text is hard” (b) “What should I cook?” (c) “I keep missing the bus” (d) a dark mode switch
  30. 30.🧑 Who is an app really made for? (a) its charger (b) its icon (c) its coder only (d) its users
  31. 31.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] New Note
    [switch] Sound
    [slider] Text size
    [button] Save
    [button] Cancel
    [text box] City
    [button] Start
  32. 32.True or false: a lost-and-found board solves no real problem. (a) True (b) False
  33. 33.True or false: you write the code at the build stage. (a) True (b) False
  34. 34.True or false: an app opens from a link. (a) True (b) False
  35. 35.🗒️ Version 1 of a homework planner must be ready in 14 days. How many days are left for extras after the must-haves?
    add a homework task: 2 days
    set a due date: 3 days
    see tasks by day: 4 days
  36. 36.💡 Does an app idea like a blank grey screen solve a real problem? (a) No (b) Yes
  37. 37.🔍 Which is the odd one out? (a) speaking a command (b) a pop-up message (c) a beep sound (d) a result on screen
  38. 38.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) show the balance (b) savings stickers (c) add money spent (d) add money received
  39. 39.🎯 A short made-up profile of a typical user is called a ___. (a) persona (b) pixel (c) protocol (d) password
  40. 40.🛠️ At which stage do you share the download link? (a) the release stage (b) the test stage (c) the idea stage (d) the build stage

Answer key

  1. a dark mode
  2. taking a photo
  3. 515
  4. 2000
  5. “I forget my homework”
  6. 1
  7. a lost-and-found board
  8. 4
  9. 17
  10. taking a photo
  11. has a web address
  12. a bill splitter
  13. adding up a bill
  14. 360
  15. get an idea
  16. 1
  17. opens from a link
  18. an input
  19. the app opens
  20. share your streak
  21. a button with no action
  22. False
  23. spot a problem to solve
  24. 4
  25. line 2
  26. an input
  27. 4
  28. 34
  29. a dark mode switch
  30. its users
  31. 3
  32. False
  33. True
  34. False
  35. 5
  36. No
  37. speaking a command
  38. savings stickers
  39. persona
  40. the release stage

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