App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 135 · 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.🔍 Which is the odd one out? (a) share the download link (b) write the store text (c) put it on an app store (d) write the code
2. 2.🔍 Which is the odd one out? (a) working out a tip (b) tapping a button (c) adding up a bill (d) checking a password
3. 3.💡 Does an app idea like a medicine reminder solve a real problem? (a) No (b) Yes
4. 4.💡 Which app idea solves this problem: friends argue over who pays? (a) a medicine reminder (b) a homework planner (c) a study-room finder (d) a bill splitter
5. 5.📱 Where do people usually download phone apps from? (a) a printer (b) a web server (c) an app store (d) a charger
6. 6.🧩 In an app, what is your saved notes? (a) a screen (b) a button (c) an input (d) data
7. 7.⚙️ Which line does the processing (works out the answer)?
   line 1: let price = 80; // typed by the user
   line 2: let qty = 6; // typed by the user
   line 3: let total = price * qty;
   line 4: show(total); (a) line 2 (b) line 1 (c) line 4 (d) line 3
8. 8.🛠️ At which stage do you sketch the screens? (a) the idea stage (b) the release stage (c) the plan stage (d) the test stage
9. 9.⚙️ Which line does the processing (works out the answer)?
   line 1: let bill = 207; // 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 1 (b) line 2 (c) line 3 (d) line 4
10. 10.Which of these is an input? (a) tapping a button (b) a beep sound (c) checking a password (d) working out a tip
11. 11.👥 A school app has 240 students, 100 teachers and 215 parents as users. How many users does it have in all?
12. 12.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 380; // typed by the user
    line 2: let off = 40; // typed by the user
    line 3: let pay = price - off;
    line 4: show(pay); (a) line 3 (b) line 2 (c) line 4 (d) line 1
13. 13.🎯 Which app would help this user most: a grandparent with weak eyesight? (a) a pocket-money tracker (b) a big-text reader (c) a water reminder (d) a homework planner
14. 14.🎯 Which app would help this user most: a student who often misses the school bus? (a) a bus tracker (b) a big-text reader (c) a homework planner (d) a recipe finder
15. 15.🗂️ What kind of app is a sleep tracker? (a) a game (b) a tool app (c) a health app (d) a learning app
16. 16.🗒️ Version 1 of a quiz app must be ready in 9 days. How many days are left for extras after the must-haves?
    show a question: 2 days
    check the answer: 4 days
    show the score: 2 days
17. 17.True or false: a bill splitter solves no real problem. (a) False (b) True
18. 18.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) rate the driver (b) see where the bus is (c) a dark mode (d) change the bus icon
19. 19.🎯 Why learn about users before you build? (a) to slow it down (b) to pick a logo (c) to build what they need (d) to make it longer
20. 20.True or false: a spelling coach is a learning app. (a) True (b) False
21. 21.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    no quiet study place: 22 votes
    missing the bus: 17 votes
    forgetting birthdays: 9 votes (a) forgetting birthdays (b) missing the bus (c) no quiet study place
22. 22.True or false: you talk to possible users at the plan stage. (a) False (b) True
23. 23.🎯 An app for “everyone” with no clear user usually ___. (a) wins every prize (b) is easy to build (c) helps nobody well (d) needs no testing
24. 24.🧩 In an app, what is the game-over page? (a) an input (b) a screen (c) a button (d) data
25. 25.🔍 Which is the odd one out? (a) a puzzle with levels (b) a flashcard trainer (c) a cricket run chase (d) a word battle
26. 26.📊 Survey: which problem bugs you most? How many more votes did “forgetting birthdays” get than “wasting pocket money”?
    forgetting birthdays: 7 votes
    wasting pocket money: 6 votes
    no quiet study place: 16 votes
27. 27.True or false: today’s step count is data. (a) True (b) False
28. 28.💡 Does an app idea like a blank grey screen solve a real problem? (a) No (b) Yes
29. 29.True or false: typing your age is processing. (a) True (b) False
30. 30.Which of these is true of a website? (a) opens from a link (b) comes from an app store (c) updates from the store (d) is installed on a phone
31. 31.Which of these is processing? (a) working out a tip (b) a beep sound (c) tapping a button (d) typing your age
32. 32.🧩 How many buttons does this app screen have?
    [title] New Note
    [slider] Volume
    [text box] Age
    [button] Start
    [text box] Name
    [switch] Remind me
    [text box] City
33. 33.True or false: a water reminder is the best fit for a reader who finds small print hard. (a) True (b) False
34. 34.🗒️ Version 1 of a quiz app must be ready in 13 days. How many days are left for extras after the must-haves?
    show a question: 3 days
    check the answer: 1 days
    show the score: 3 days
35. 35.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 92; // typed by the user
    line 2: let friends = 4; // typed by the user
    line 3: let share = bill / friends;
    line 4: show(share); (a) line 2 (b) line 1 (c) line 4 (d) line 3
36. 36.True or false: a free study-room finder solves no real problem. (a) False (b) True
37. 37.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Sign Up
    [text box] Name
    [text box] Subject
    [button] Next
38. 38.🧩 Which input is best for typing your name? (a) a switch (b) a picture (c) a text box (d) a slider
39. 39.📱 Which one opens in a web browser: an app or a website? (a) an app (b) a website
40. 40.🔍 Which is the odd one out? (a) add the buttons (b) share the download link (c) put it on an app store (d) write the store text

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