App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 40 · 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 of these is a button on this screen?
   [title] Add Homework
   [slider] Volume
   [text box] Subject
   [button] Back
   [text box] City (a) Subject (b) Volume (c) Back (d) City
2. 2.🔢 After an app is released, which comes FIRST? (a) read user reviews (b) release an update (c) list what to fix (d) test it again
3. 3.True or false: an app needs no installing. (a) True (b) False
4. 4.⚙️ In an app, is adding up a bill an input, processing or an output? (a) processing (b) output (c) input
5. 5.True or false: a word battle is a game. (a) True (b) False
6. 6.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) add money received (b) add money spent (c) show the balance (d) savings stickers
7. 7.💡 Does an app idea like a free study-room finder solve a real problem? (a) No (b) Yes
8. 8.True or false: a medicine reminder solves a real problem. (a) False (b) True
9. 9.Which of these happens at the test stage? (a) write down the bugs (b) add the buttons (c) list what users need (d) draw the user flow
10. 10.True or false: an app opens from a link. (a) False (b) True
11. 11.🔍 Which is the odd one out? (a) a times-table quiz (b) a flashcard trainer (c) a spelling coach (d) a word battle
12. 12.🛠️ At which stage do you connect the data? (a) the build stage (b) the release stage (c) the plan stage (d) the idea stage
13. 13.🧩 How many buttons does this app screen have?
    [title] Sign Up
    [text box] City
    [button] Send
    [button] Help
    [text box] Email
    [button] Cancel
14. 14.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) set a due date (b) see tasks by day (c) add a homework task (d) earn stickers
15. 15.⚙️ In an app, is speaking a command an input, processing or an output? (a) processing (b) input (c) output
16. 16.Which of these is a button? (a) your high score (b) the settings page (c) tap to Save (d) the log-in page
17. 17.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 250; // typed by the user
    line 2: let off = 50; // typed by the user
    line 3: let pay = price - off;
    line 4: show(pay); (a) line 4 (b) line 1 (c) line 2 (d) line 3
18. 18.🗒️ Version 1 of a pocket-money tracker must be ready in 15 days. How many days are left for extras after the must-haves?
    add money received: 1 days
    add money spent: 4 days
    show the balance: 5 days
19. 19.⚙️ In an app, is checking a password an input, processing or an output? (a) processing (b) output (c) input
20. 20.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 45; // typed by the user
    line 2: let qty = 5; // typed by the user
    line 3: let total = price * qty;
    line 4: show(total); (a) line 4 (b) line 3 (c) line 2 (d) line 1
21. 21.👥 A school app has 25 students, 195 teachers and 105 parents as users. How many users does it have in all?
22. 22.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) rate the driver (b) a dark mode (c) change the bus icon (d) pick your bus stop
23. 23.True or false: a water reminder is the best fit for a gamer who forgets to drink. (a) True (b) False
24. 24.🧩 How many buttons does this app screen have?
    [title] Edit Profile
    [slider] Volume
    [button] Back
    [button] Save
    [text box] Age
    [switch] Remind me
25. 25.🗒️ In MVP, the M stands for ___. (a) minimum (b) mobile (c) maximum (d) music
26. 26.💡 Which is a problem statement? (a) “Make it fast” (b) “Use blue buttons” (c) “Add a logo” (d) “Kids forget homework”
27. 27.🛠️ At which stage do you write the store text? (a) the release stage (b) the plan stage (c) the idea stage (d) the build stage
28. 28.⚙️ What number does this app show?
    let km = 8; // typed by the user
    let metres = km * 1000;
    show(metres);
29. 29.Which of these app ideas solves a real problem? (a) a page of random dots (b) a blank grey screen (c) a library due-date alert (d) a button with no action
30. 30.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 2; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 3 (b) line 1 (c) line 2
31. 31.🧩 How many buttons does this app screen have?
    [title] Settings
    [text box] Email
    [slider] Brightness
    [button] Done
    [button] Save
32. 32.Which of these app ideas solves a real problem? (a) a free study-room finder (b) an app that just says hi (c) a blank grey screen (d) a page of random dots
33. 33.🎯 Is this a user need or a feature: a share button? (a) a user need (b) a feature
34. 34.🧩 How many buttons does this app screen have?
    [title] Order Snacks
    [text box] Subject
    [button] Cancel
    [text box] Phone
    [slider] Text size
    [button] Done
    [text box] Name
    [button] Save
    [switch] Sound
35. 35.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    missing the bus: 11 votes
    losing water bottles: 10 votes
    no quiet study place: 18 votes (a) no quiet study place (b) losing water bottles (c) missing the bus
36. 36.True or false: you add the buttons at the build stage. (a) False (b) True
37. 37.True or false: sorting the scores is processing. (a) True (b) False
38. 38.💡 Which app idea solves this problem: Grandpa forgets his tablets? (a) a study-room finder (b) a bill splitter (c) a medicine reminder (d) a lost-and-found board
39. 39.📱 Which one updates from the store: an app or a website? (a) a website (b) an app
40. 40.👥 A school app has 140 students, 200 teachers and 115 parents as users. How many more teachers than students are there?

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