App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 788 · 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.📊 Survey: which problem bugs you most? Which problem should your app solve first?
   missing the bus: 15 votes
   losing water bottles: 24 votes
   forgetting birthdays: 21 votes (a) forgetting birthdays (b) missing the bus (c) losing water bottles
2. 2.📱 Which one opens in a web browser: an app or a website? (a) an app (b) a website
3. 3.🧩 How many buttons does this app screen have?
   [title] New Note
   [switch] Sound
   [button] Send
   [text box] Email
4. 4.🧑 Who is an app really made for? (a) its users (b) its charger (c) its icon (d) its coder only
5. 5.🔍 Which is the odd one out? (a) a word battle (b) a step counter (c) a water reminder (d) a sleep tracker
6. 6.📱 Which one has a home-screen icon: an app or a website? (a) an app (b) a website
7. 7.🧩 In an app, what is a box to type a name? (a) an input (b) a button (c) data (d) a screen
8. 8.True or false: you add the buttons at the release stage. (a) False (b) True
9. 9.🧩 How many buttons does this app screen have?
   [title] Add Homework
   [button] Next
   [text box] Email
   [text box] Phone
10. 10.True or false: a big-text reader is the best fit for a pupil juggling five projects. (a) False (b) True
11. 11.🗒️ Version 1 of a pocket-money tracker must be ready in 7 days. How many days are left for extras after the must-haves?
    add money received: 1 days
    add money spent: 1 days
    show the balance: 5 days
12. 12.Which of these happens at the release stage? (a) let friends try it (b) add the buttons (c) write down the bugs (d) write the store text
13. 13.📱 Which one has a web address: an app or a website? (a) a website (b) an app
14. 14.True or false: a recipe finder is the best fit for a parent waiting at the bus stop. (a) True (b) False
15. 15.🌐 Which program do you need to open a website? (a) a calculator (b) an app store (c) a web browser (d) a camera app
16. 16.Which of these app ideas solves a real problem? (a) a page of random dots (b) a button with no action (c) a free study-room finder (d) a blank grey screen
17. 17.💡 Does an app idea like a library due-date alert solve a real problem? (a) Yes (b) No
18. 18.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) set a reminder time (b) custom alert sounds (c) log a glass of water (d) see today’s total
19. 19.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 296; // 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 3 (b) line 1 (c) line 2 (d) line 4
20. 20.💡 Which is a problem statement? (a) “Make it fast” (b) “Kids forget homework” (c) “Add a logo” (d) “Use blue buttons”
21. 21.True or false: tapping a button is an input. (a) True (b) False
22. 22.True or false: a button with no action solves no real problem. (a) False (b) True
23. 23.💡 Which app idea solves this problem: Grandpa forgets his tablets? (a) a medicine reminder (b) a lost-and-found board (c) a bill splitter (d) a study-room finder
24. 24.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) add money received (b) export to a file (c) pie-chart colours (d) savings stickers
25. 25.🗒️ Version 1 of a pocket-money tracker must be ready in 14 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: 5 days
26. 26.📅 An app team plans for 3 days, builds for 6 days, tests for 3 days and releases on 1 more day. How many more days does building take than testing?
27. 27.Which of these is true of an app? (a) has a web address (b) opens from a link (c) is installed on a phone (d) opens in a web browser
28. 28.Which of these is true of a website? (a) updates from the store (b) comes from an app store (c) needs no installing (d) has a home-screen icon
29. 29.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting birthdays: 22 votes
    forgetting homework: 8 votes
    wasting pocket money: 17 votes
30. 30.👥 A library app has 235 readers, 280 librarians and 290 volunteers as users. How many more volunteers than readers are there?
31. 31.⚙️ What number does this app show?
    let km = 9; // typed by the user
    let metres = km * 1000;
    show(metres);
32. 32.🗒️ What is a must-have feature? (a) one the app cannot skip (b) a nice extra (c) a sound effect (d) a colour theme
33. 33.👥 A school app has 200 students, 75 teachers and 135 parents as users. How many users does it have in all?
34. 34.True or false: your high score is a screen. (a) True (b) False
35. 35.True or false: a calculator is a health app. (a) True (b) False
36. 36.🧩 How many buttons does this app screen have?
    [title] Edit Profile
    [button] Start
    [switch] Remind me
    [text box] Name
    [button] Send
    [button] Done
    [slider] Text size
37. 37.🔢 When you make an app, what comes right after “build the app”? (a) get an idea (b) test the app (c) plan the screens (d) release it
38. 38.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 350; // typed by the user
    line 2: let friends = 5; // typed by the user
    line 3: let share = bill / friends;
    line 4: show(share); (a) line 2 (b) line 3 (c) line 1 (d) line 4
39. 39.True or false: a sleep tracker is a learning app. (a) True (b) False
40. 40.True or false: a date picker is data. (a) False (b) True

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