App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 710 · 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 line does the processing (works out the answer)?
   line 1: let bill = 50; // 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 4 (d) line 1
2. 2.👥 A library app has 45 readers, 240 librarians and 170 volunteers as users. How many users does it have in all?
3. 3.🔢 When you make an app, which comes first: “build the app” or “plan the screens”? (a) plan the screens (b) build the app
4. 4.Which of these happens at the release stage? (a) write down the bugs (b) let friends try it (c) write the code (d) share the download link
5. 5.Which of these is a screen? (a) tap to Start (b) your high score (c) your saved notes (d) the settings page
6. 6.🗒️ In MVP, the M stands for ___. (a) mobile (b) music (c) maximum (d) minimum
7. 7.🧩 What do we call one full page of an app? (a) a screen (b) a battery (c) a variable (d) a cable
8. 8.Which of these is a feature? (a) “I keep missing the bus” (b) “What should I cook?” (c) “I forget my homework” (d) a dark mode switch
9. 9.👥 A cricket club app has 155 players, 95 coaches and 70 fans as users. Which user group is the biggest? (a) players (b) coaches (c) fans
10. 10.📲 What happens when you tap an app’s icon? (a) the app opens (b) the sound turns off (c) the app is deleted (d) the phone charges
11. 11.Which of these happens at the plan stage? (a) add the buttons (b) pick the features (c) connect the data (d) write the code
12. 12.🗒️ Version 1 of a quiz app must be ready in 9 days. How many days are left for extras after the must-haves?
    show a question: 1 days
    check the answer: 3 days
    show the score: 4 days
13. 13.📅 An app team plans for 5 days, builds for 10 days, tests for 1 days and releases on 1 more day. How many days does the whole project take?
14. 14.True or false: you write the store text at the release stage. (a) True (b) False
15. 15.True or false: typing your age is an output. (a) False (b) True
16. 16.🧩 What does a button do when you tap it? (a) starts an action (b) shows the time (c) saves the battery (d) changes the phone
17. 17.🗒️ Version 1 of a water reminder must be ready in 13 days. How many days are left for extras after the must-haves?
    set a reminder time: 4 days
    log a glass of water: 3 days
    see today’s total: 4 days
18. 18.Which of these app ideas solves a real problem? (a) an app that just says hi (b) a free study-room finder (c) a button with no action (d) a page of random dots
19. 19.🧩 How many buttons does this app screen have?
    [title] Sign Up
    [switch] Sound
    [button] Done
    [button] Help
    [button] Start
    [text box] Email
    [slider] Text size
    [text box] Name
    [text box] Notes
20. 20.🔍 Which is the odd one out? (a) typing your age (b) tapping a button (c) taking a photo (d) checking a password
21. 21.🔍 Which is the odd one out? (a) a word battle (b) a racing challenge (c) a step counter (d) a puzzle with levels
22. 22.🔢 After an app is released, which comes FIRST? (a) test it again (b) read user reviews (c) list what to fix (d) release an update
23. 23.🔔 What is a message an app shows on your lock screen called? (a) a variable (b) a web address (c) a notification (d) a wireframe
24. 24.🗒️ Why keep version 1 small? (a) to look bigger (b) to confuse users (c) to use up storage (d) to learn from users soon
25. 25.💡 Does an app idea like a lost-and-found board solve a real problem? (a) No (b) Yes
26. 26.True or false: speaking a command is an input. (a) False (b) True
27. 27.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) set a reminder time (b) share your streak (c) see today’s total (d) log a glass of water
28. 28.📊 Survey: which problem bugs you most? How many students voted in all?
    wasting pocket money: 18 votes
    forgetting homework: 21 votes
    missing the bus: 3 votes
29. 29.🔍 Which is the odd one out? (a) a spelling coach (b) a cricket run chase (c) a times-table quiz (d) a flashcard trainer
30. 30.⚙️ What number does this app show?
    let price = 30; // typed by the user
    let qty = 5; // typed by the user
    let total = price * qty;
    show(total);
31. 31.👥 A school app has 90 students, 240 teachers and 110 parents as users. How many users does it have in all?
32. 32.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Order Snacks
    [button] Next
    [button] Save
    [slider] Text size
    [switch] Show hints
    [text box] Notes
33. 33.True or false: a flashcard trainer is a learning app. (a) True (b) False
34. 34.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) see today’s total (b) share your streak (c) water animations (d) custom alert sounds
35. 35.📊 Survey: which problem bugs you most? How many students voted in all?
    wasting pocket money: 21 votes
    forgetting homework: 9 votes
    no quiet study place: 11 votes
36. 36.⚙️ What number does this app show?
    let price = 95; // typed by the user
    let qty = 2; // typed by the user
    let total = price * qty;
    show(total);
37. 37.🔢 When you make an app, which comes LAST? (a) get an idea (b) test the app (c) release it (d) plan the screens
38. 38.💡 Does an app idea like a page of random dots solve a real problem? (a) No (b) Yes
39. 39.🧩 How many buttons does this app screen have?
    [title] New Note
    [button] Cancel
    [button] Next
    [text box] Name
    [switch] Sound
40. 40.⚙️ What number does this app show?
    let km = 13; // typed by the user
    let metres = km * 1000;
    show(metres);

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