App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 41 · 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.💡 An app that tries to do everything at once is usually ___. (a) easy to build (b) finished fast (c) very small (d) hard to use
2. 2.⚙️ Which line does the processing (works out the answer)?
   line 1: let price = 490; // 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 3 (b) line 2 (c) line 4 (d) line 1
3. 3.🗒️ 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) share your streak (d) set a reminder time
4. 4.💡 Does an app idea like an app that just says hi solve a real problem? (a) No (b) Yes
5. 5.🗒️ Version 1 of a bus tracker must be ready in 9 days. How many days are left for extras after the must-haves?
   see where the bus is: 2 days
   show arrival time: 2 days
   pick your bus stop: 2 days
6. 6.📱 Which one comes from an app store: an app or a website? (a) a website (b) an app
7. 7.💡 Which app idea solves this problem: nobody knows whose bag it is? (a) a homework planner (b) a bill splitter (c) a study-room finder (d) a lost-and-found board
8. 8.💡 Which app idea solves this problem: projects pile up at once? (a) a study-room finder (b) a lost-and-found board (c) a homework planner (d) a bill splitter
9. 9.🔢 After an app is released, which comes first: “read user reviews” or “list what to fix”? (a) read user reviews (b) list what to fix
10. 10.True or false: a pocket-money tracker is the best fit for a teen whose money runs out by Friday. (a) False (b) True
11. 11.🔍 Which is the odd one out? (a) a pop-up message (b) sorting the scores (c) adding up a bill (d) working out a tip
12. 12.📊 Survey: which problem bugs you most? How many more votes did “forgetting birthdays” get than “losing water bottles”?
    losing water bottles: 4 votes
    forgetting birthdays: 17 votes
    no quiet study place: 7 votes
13. 13.🧑 Who is an app really made for? (a) its icon (b) its charger (c) its users (d) its coder only
14. 14.🧩 Which of these is a button on this screen?
    [title] Settings
    [button] Send
    [text box] Email
    [slider] Text size (a) Send (b) Email (c) Text size
15. 15.📱 Which one updates from the store: an app or a website? (a) an app (b) a website
16. 16.🗒️ When should nice-to-have features be built? (a) never (b) on day one (c) after the must-haves (d) before anything
17. 17.True or false: you draw the user flow at the plan stage. (a) False (b) True
18. 18.🧩 In an app, what is a date picker? (a) data (b) a button (c) a screen (d) an input
19. 19.🎯 Is this a user need or a feature: a search bar? (a) a feature (b) a user need
20. 20.💡 A good app idea starts with ___. (a) a long name (b) many colours (c) a cool logo (d) a problem to solve
21. 21.👥 A clinic app has 45 patients, 95 doctors and 35 nurses as users. Which user group is the biggest? (a) patients (b) nurses (c) doctors
22. 22.👥 A library app has 265 readers, 45 librarians and 215 volunteers as users. Which user group is the biggest? (a) librarians (b) readers (c) volunteers
23. 23.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Settings
    [text box] Due date
    [switch] Sound
    [text box] Notes
    [button] Save
    [button] Done
    [button] Cancel
24. 24.True or false: a website has a home-screen icon. (a) True (b) False
25. 25.Which of these is an output? (a) a beep sound (b) adding up a bill (c) typing your age (d) sorting the scores
26. 26.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) water animations (b) custom alert sounds (c) set a reminder time (d) share your streak
27. 27.🎯 Which app would help this user most: a child saving up for a cycle? (a) a pocket-money tracker (b) a water reminder (c) a big-text reader (d) a bus tracker
28. 28.🔍 Which is the odd one out? (a) draw the user flow (b) sketch the screens (c) pick the features (d) write the code
29. 29.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Add Homework
    [button] Save
    [button] Start
    [button] Send
    [text box] Name
30. 30.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 100; // 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 2 (b) line 4 (c) line 1 (d) line 3
31. 31.💡 Which is a problem statement? (a) “Make it fast” (b) “Use blue buttons” (c) “Kids forget homework” (d) “Add a logo”
32. 32.🧩 How many buttons does this app screen have?
    [title] Sign Up
    [text box] Phone
    [button] Back
    [switch] Show hints
    [button] Start
33. 33.🔍 Which is the odd one out? (a) tapping a button (b) speaking a command (c) adding up a bill (d) taking a photo
34. 34.🧩 Which part lets the user give the app information? (a) a title (b) a logo (c) an icon (d) an input
35. 35.True or false: working out a tip is processing. (a) False (b) True
36. 36.True or false: a library due-date alert solves a real problem. (a) False (b) True
37. 37.👥 A school app has 145 students, 35 teachers and 95 parents as users. Which user group is the biggest? (a) teachers (b) parents (c) students
38. 38.👥 A library app has 255 readers, 280 librarians and 205 volunteers as users. How many users does it have in all?
39. 39.🗒️ Version 1 of a bus tracker must be ready in 16 days. How many days are left for extras after the must-haves?
    see where the bus is: 4 days
    show arrival time: 2 days
    pick your bus stop: 4 days
40. 40.Which of these is a feature? (a) “What should I cook?” (b) a reminder alarm (c) “I forget my homework” (d) “I keep missing the bus”

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