App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 467 · 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.🗒️ 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) see tasks by day (d) pick a theme colour
2. 2.👥 A library app has 255 readers, 235 librarians and 75 volunteers as users. How many users does it have in all?
3. 3.🔍 Which is the odd one out? (a) a sleep tracker (b) a puzzle with levels (c) a water reminder (d) a step counter
4. 4.📱 Which one needs no installing: an app or a website? (a) an app (b) a website
5. 5.Which of these is a screen? (a) the log-in page (b) tap to Start (c) tap to go Next (d) tap to Save
6. 6.⚙️ In an app, is tapping a button an input, processing or an output? (a) output (b) input (c) processing
7. 7.Which of these is an output? (a) checking a password (b) adding up a bill (c) tapping a button (d) a beep sound
8. 8.🔢 After an app is released, which comes LAST? (a) release an update (b) read user reviews (c) test it again (d) fix and improve
9. 9.📊 Survey: which problem bugs you most? Which problem should your app solve first?
   no quiet study place: 24 votes
   forgetting homework: 16 votes
   losing water bottles: 25 votes (a) no quiet study place (b) forgetting homework (c) losing water bottles
10. 10.True or false: an alarm clock is a learning app. (a) False (b) True
11. 11.🛠️ At which stage do you let friends try it? (a) the test stage (b) the release stage (c) the idea stage (d) the build stage
12. 12.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 126; // 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 3 (c) line 1 (d) line 2
13. 13.True or false: a website updates from the store. (a) False (b) True
14. 14.🎯 What is the best first step to learn what users need? (a) guess on your own (b) ask and watch users (c) write the code (d) pick the colours
15. 15.💡 Which app idea solves this problem: a patient misses doses? (a) a bill splitter (b) a lost-and-found board (c) a homework planner (d) a medicine reminder
16. 16.🗒️ Version 1 of a homework planner must be ready in 6 days. How many days are left for extras after the must-haves?
    add a homework task: 2 days
    set a due date: 1 days
    see tasks by day: 2 days
17. 17.📊 Survey: which problem bugs you most? How many more votes did “no quiet study place” get than “losing water bottles”?
    losing water bottles: 10 votes
    no quiet study place: 14 votes
    missing the bus: 21 votes
18. 18.🔍 Which is the odd one out? (a) a water reminder (b) a sleep tracker (c) a step counter (d) a cricket run chase
19. 19.Which of these is a screen? (a) a box to type a name (b) your saved notes (c) a slider for volume (d) the home page of an app
20. 20.🧩 How many buttons does this app screen have?
    [title] New Note
    [button] Save
    [switch] Dark mode
    [text box] City
21. 21.📊 Survey: which problem bugs you most? How many more votes did “wasting pocket money” get than “no quiet study place”?
    no quiet study place: 14 votes
    losing water bottles: 3 votes
    wasting pocket money: 15 votes
22. 22.Which of these app ideas solves no real problem? (a) a medicine reminder (b) a lost-and-found board (c) a library due-date alert (d) a blank grey screen
23. 23.📊 Survey: which problem bugs you most? How many more votes did “missing the bus” get than “wasting pocket money”?
    wasting pocket money: 5 votes
    no quiet study place: 13 votes
    missing the bus: 6 votes
24. 24.🎯 A short made-up profile of a typical user is called a ___. (a) pixel (b) protocol (c) persona (d) password
25. 25.🗒️ 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) share your streak (d) see today’s total
26. 26.True or false: an app has a web address. (a) True (b) False
27. 27.📊 Survey: which problem bugs you most? How many more votes did “forgetting birthdays” get than “forgetting homework”?
    forgetting homework: 7 votes
    missing the bus: 9 votes
    forgetting birthdays: 11 votes
28. 28.🗒️ Version 1 of a water reminder must be ready in 10 days. How many days are left for extras after the must-haves?
    set a reminder time: 4 days
    log a glass of water: 1 days
    see today’s total: 4 days
29. 29.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) background music (b) confetti effects (c) an avatar shop (d) show a question
30. 30.🗒️ Version 1 of a homework planner must be ready in 8 days. How many days are left for extras after the must-haves?
    add a homework task: 3 days
    set a due date: 2 days
    see tasks by day: 2 days
31. 31.💡 Does an app idea like a library due-date alert solve a real problem? (a) Yes (b) No
32. 32.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) earn stickers (b) pick a theme colour (c) share tasks to friends (d) add a homework task
33. 33.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) log a glass of water (b) see today’s total (c) water animations (d) set a reminder time
34. 34.📱 Which one has a web address: an app or a website? (a) an app (b) a website
35. 35.Which of these is true of a website? (a) has a web address (b) is installed on a phone (c) has a home-screen icon (d) updates from the store
36. 36.🧩 Which of these is a button on this screen?
    [title] Settings
    [button] Start
    [button] Send
    [switch] Dark mode
    [text box] Email
    [button] Help (a) Email (b) Dark mode (c) Start
37. 37.📊 Survey: which problem bugs you most? How many more votes did “no quiet study place” get than “forgetting homework”?
    no quiet study place: 20 votes
    losing water bottles: 22 votes
    forgetting homework: 11 votes
38. 38.Which of these is an input? (a) tap to Save (b) the settings page (c) the home page of an app (d) a slider for volume
39. 39.📊 Survey: which problem bugs you most? How many more votes did “forgetting birthdays” get than “forgetting homework”?
    wasting pocket money: 11 votes
    forgetting birthdays: 8 votes
    forgetting homework: 4 votes
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 3 (b) line 1 (c) line 4 (d) line 2

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