App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 23 · 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.⚙️ What number does this app show?
   let km = 6; // typed by the user
   let metres = km * 1000;
   show(metres);
2. 2.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) export to a file (b) savings stickers (c) pie-chart colours (d) add money received
3. 3.🔍 Which is the odd one out? (a) draw the user flow (b) sketch the screens (c) pick the features (d) write the store text
4. 4.🔢 When you make an app, which comes first: “test the app” or “get an idea”? (a) get an idea (b) test the app
5. 5.True or false: an app needs no installing. (a) False (b) True
6. 6.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) rate the driver (b) change the bus icon (c) a dark mode (d) pick your bus stop
7. 7.🗒️ Why keep version 1 small? (a) to use up storage (b) to confuse users (c) to look bigger (d) to learn from users soon
8. 8.🧩 Which of these is a button on this screen?
   [title] Order Snacks
   [text box] Notes
   [button] Send
   [button] Next (a) Next (b) Notes
9. 9.🧩 Which input is best for turning something ON or OFF? (a) a slider (b) a switch (c) a text box (d) a title
10. 10.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) show the score (b) confetti effects (c) show a question (d) check the answer
11. 11.📱 Which one has a home-screen icon: an app or a website? (a) a website (b) an app
12. 12.🔍 Which is the odd one out? (a) tapping a button (b) speaking a command (c) taking a photo (d) a buzz (vibration)
13. 13.🗂️ What kind of app is a word battle? (a) a health app (b) a game (c) a tool app (d) a learning app
14. 14.True or false: the home page of an app is an input. (a) True (b) False
15. 15.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) an avatar shop (b) show a question (c) confetti effects (d) background music
16. 16.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    wasting pocket money: 22 votes
    forgetting homework: 25 votes
    no quiet study place: 11 votes (a) wasting pocket money (b) no quiet study place (c) forgetting homework
17. 17.🧩 Which of these is a button on this screen?
    [title] Order Snacks
    [text box] Due date
    [slider] Volume
    [button] Cancel
    [button] Next
    [text box] Phone
    [button] Help
    [text box] City (a) Due date (b) Cancel (c) City (d) Phone
18. 18.🔍 Which is the odd one out? (a) sketch the screens (b) connect the data (c) add the buttons (d) write the code
19. 19.🎯 Why learn about users before you build? (a) to make it longer (b) to pick a logo (c) to slow it down (d) to build what they need
20. 20.💡 A good app idea starts with ___. (a) many colours (b) a long name (c) a problem to solve (d) a cool logo
21. 21.💡 Does an app idea like a page of random dots solve a real problem? (a) Yes (b) No
22. 22.Which of these is a user need? (a) a search bar (b) “Small text is hard” (c) a reminder alarm (d) a dark mode switch
23. 23.👥 A school app has 210 students, 300 teachers and 220 parents as users. How many more teachers than students are there?
24. 24.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Order Snacks
    [button] Done
    [button] Help
    [text box] Name
25. 25.🎯 Which app would help this user most: a cook with no idea for dinner? (a) a homework planner (b) a bus tracker (c) a recipe finder (d) a water reminder
26. 26.💡 Does an app idea like a medicine reminder solve a real problem? (a) No (b) Yes
27. 27.🔍 Which is the odd one out? (a) a sleep tracker (b) a calculator (c) a torch (d) a unit converter
28. 28.True or false: a switch for dark mode is a screen. (a) True (b) False
29. 29.🗂️ What kind of app is a cricket run chase? (a) a game (b) a tool app (c) a learning app (d) a health app
30. 30.🧩 In an app, what is tap to Start? (a) an input (b) a screen (c) a button (d) data
31. 31.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) water animations (b) custom alert sounds (c) share your streak (d) set a reminder time
32. 32.🗒️ Version 1 of a pocket-money tracker must be ready in 11 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: 3 days
33. 33.🗒️ You are planning version 1 of a bus tracker. Which feature can WAIT for a later version? (a) change the bus icon (b) pick your bus stop (c) show arrival time (d) see where the bus is
34. 34.Which of these is a screen? (a) a slider for volume (b) the settings page (c) your high score (d) a date picker
35. 35.🧩 How many buttons does this app screen have?
    [title] Add Homework
    [button] Start
    [button] Save
    [slider] Text size
    [button] Cancel
    [text box] City
    [switch] Show hints
36. 36.🧩 How many buttons does this app screen have?
    [title] Edit Profile
    [text box] Email
    [text box] Subject
    [button] Back
37. 37.Which of these happens at the release stage? (a) share the download link (b) pick the features (c) add the buttons (d) talk to possible users
38. 38.Which of these is an output? (a) adding up a bill (b) checking a password (c) taking a photo (d) a result on screen
39. 39.📊 Survey: which problem bugs you most? How many more votes did “no quiet study place” get than “losing water bottles”?
    losing water bottles: 8 votes
    forgetting homework: 3 votes
    no quiet study place: 22 votes
40. 40.👥 A library app has 205 readers, 190 librarians and 40 volunteers as users. How many more readers than librarians are there?

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