App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 213 · 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 bill = 128; // typed by the user
   let friends = 4; // typed by the user
   let share = bill / friends;
   show(share);
2. 2.🎯 An app for “everyone” with no clear user usually ___. (a) helps nobody well (b) wins every prize (c) is easy to build (d) needs no testing
3. 3.🧩 How many buttons does this app screen have?
   [title] Sign Up
   [button] Cancel
   [text box] Due date
4. 4.⚙️ What number does this app show?
   let bill = 150; // typed by the user
   let friends = 2; // typed by the user
   let share = bill / friends;
   show(share);
5. 5.🎯 Who are the users of an app? (a) only the coders (b) the app icons (c) only the testers (d) the people who use it
6. 6.⚙️ In an app, is tapping a button an input, processing or an output? (a) input (b) processing (c) output
7. 7.🗒️ In MVP, the M stands for ___. (a) maximum (b) minimum (c) music (d) mobile
8. 8.🔍 Which is the odd one out? (a) a water reminder (b) a sleep tracker (c) a calculator (d) a step counter
9. 9.🔍 Which is the odd one out? (a) add the buttons (b) write the code (c) draw the user flow (d) connect the data
10. 10.True or false: a website comes from an app store. (a) True (b) False
11. 11.Which of these is a feature? (a) “I forget my homework” (b) “I keep missing the bus” (c) “What should I cook?” (d) a search bar
12. 12.🗂️ What kind of app is a calculator? (a) a learning app (b) a health app (c) a game (d) a tool app
13. 13.True or false: speaking a command is processing. (a) False (b) True
14. 14.🔍 Which is the odd one out? (a) taking a photo (b) adding up a bill (c) speaking a command (d) tapping a button
15. 15.🔍 Which is the odd one out? (a) talk to possible users (b) write the code (c) spot a problem to solve (d) list what users need
16. 16.True or false: you write the code at the idea stage. (a) True (b) False
17. 17.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) earn stickers (b) share tasks to friends (c) pick a theme colour (d) set a due date
18. 18.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) confetti effects (b) an avatar shop (c) background music (d) show the score
19. 19.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) log a glass of water (b) share your streak (c) see today’s total (d) set a reminder time
20. 20.💡 How can you check that people really have the problem? (a) pick a colour (b) just guess (c) ask possible users (d) copy another app
21. 21.True or false: a torch is a learning app. (a) False (b) True
22. 22.🗒️ Version 1 of a water reminder must be ready in 10 days. How many days are left for extras after the must-haves?
    set a reminder time: 2 days
    log a glass of water: 1 days
    see today’s total: 4 days
23. 23.💡 Does an app idea like a medicine reminder solve a real problem? (a) Yes (b) No
24. 24.Which of these is an input? (a) tap to Save (b) a box to type a name (c) tap to go Next (d) the log-in page
25. 25.🗒️ Version 1 of a pocket-money tracker must be ready in 12 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
26. 26.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting birthdays: 8 votes
    missing the bus: 3 votes
    forgetting homework: 22 votes (a) forgetting birthdays (b) forgetting homework (c) missing the bus
27. 27.⚙️ What number does this app show?
    let price = 55; // typed by the user
    let qty = 3; // typed by the user
    let total = price * qty;
    show(total);
28. 28.Which of these is a button? (a) the log-in page (b) tap to Start (c) today’s step count (d) the settings page
29. 29.🗒️ Version 1 of a water reminder must be ready in 10 days. How many days are left for extras after the must-haves?
    set a reminder time: 1 days
    log a glass of water: 3 days
    see today’s total: 4 days
30. 30.🎯 Is this a user need or a feature: a dark mode switch? (a) a feature (b) a user need
31. 31.🎯 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
32. 32.🔍 Which is the odd one out? (a) a buzz (vibration) (b) taking a photo (c) speaking a command (d) typing your age
33. 33.📱 Which one opens in a web browser: an app or a website? (a) an app (b) a website
34. 34.🔍 Which is the odd one out? (a) a flashcard trainer (b) a racing challenge (c) a puzzle with levels (d) a word battle
35. 35.Which of these app ideas solves no real problem? (a) a free study-room finder (b) a bill splitter (c) a button with no action (d) a library due-date alert
36. 36.⚙️ In an app, is a beep sound an input, processing or an output? (a) input (b) processing (c) output
37. 37.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) share tasks to friends (b) see tasks by day (c) earn stickers (d) pick a theme colour
38. 38.👥 A library app has 25 readers, 280 librarians and 230 volunteers as users. How many users does it have in all?
39. 39.Which of these is true of an app? (a) opens in a web browser (b) opens from a link (c) has a web address (d) is installed on a phone
40. 40.🧩 Which input is best for choosing a volume level? (a) a title (b) a slider (c) a text box (d) a switch

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