App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 510 · 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.True or false: tap to go Next is a button. (a) False (b) True
2. 2.💡 Does an app idea like a library due-date alert solve a real problem? (a) No (b) Yes
3. 3.True or false: tap to Send is a screen. (a) False (b) True
4. 4.⚙️ What number does this app show?
   let price = 60; // typed by the user
   let qty = 3; // typed by the user
   let total = price * qty;
   show(total);
5. 5.🗒️ 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) log a glass of water
6. 6.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) an avatar shop (b) confetti effects (c) background music (d) show the score
7. 7.🗒️ The first small, working version of an app is often called an ___. (a) FAQ (b) URL (c) MVP (d) CPU
8. 8.🔢 When you make an app, which comes LAST? (a) test the app (b) build the app (c) plan the screens (d) release it
9. 9.True or false: a pocket-money tracker is the best fit for a parent waiting at the bus stop. (a) False (b) True
10. 10.🗒️ 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) share tasks to friends (d) add a homework task
11. 11.🔍 Which is the odd one out? (a) a spelling coach (b) a flashcard trainer (c) a times-table quiz (d) a torch
12. 12.👥 A library app has 30 readers, 100 librarians and 245 volunteers as users. Which user group is the biggest? (a) volunteers (b) librarians (c) readers
13. 13.🎯 Which app would help this user most: a student who often misses the school bus? (a) a recipe finder (b) a bus tracker (c) a pocket-money tracker (d) a homework planner
14. 14.📅 An app team plans for 5 days, builds for 12 days, tests for 2 days and releases on 1 more day. How many more days does building take than testing?
15. 15.🗒️ A to-do app with no “add a task” feature is ___. (a) ready to release (b) well planned (c) a nice extra (d) missing a must-have
16. 16.🧩 Which input is best for choosing a volume level? (a) a title (b) a slider (c) a text box (d) a switch
17. 17.🧩 How many buttons does this app screen have?
    [title] New Note
    [slider] Brightness
    [button] Cancel
    [text box] Subject
    [button] Back
    [button] Help
18. 18.True or false: checking a password is processing. (a) False (b) True
19. 19.🔍 Which is the odd one out? (a) connect the data (b) write the code (c) add the buttons (d) try every button
20. 20.True or false: you write the store text at the idea stage. (a) True (b) False
21. 21.📱 Which one is installed on a phone: an app or a website? (a) an app (b) a website
22. 22.True or false: your high score is an input. (a) True (b) False
23. 23.🗒️ Version 1 of a pocket-money tracker must be ready in 17 days. How many days are left for extras after the must-haves?
    add money received: 4 days
    add money spent: 3 days
    show the balance: 4 days
24. 24.True or false: a step counter is a health app. (a) False (b) True
25. 25.🔢 After an app is released, which comes first: “test it again” or “release an update”? (a) release an update (b) test it again
26. 26.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    no quiet study place: 12 votes
    missing the bus: 18 votes
    forgetting birthdays: 22 votes (a) missing the bus (b) no quiet study place (c) forgetting birthdays
27. 27.📱 The word “app” is short for ___. (a) appointment (b) appetite (c) apparatus (d) application
28. 28.🔢 After an app is released, what comes right after “list what to fix”? (a) test it again (b) read user reviews (c) fix and improve (d) release an update
29. 29.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 120; // typed by the user
    line 2: let friends = 3; // typed by the user
    line 3: let share = bill / friends;
    line 4: show(share); (a) line 1 (b) line 3 (c) line 4 (d) line 2
30. 30.Which of these is a screen? (a) a slider for volume (b) the home page of an app (c) tap to Start (d) a box to type a name
31. 31.⚙️ What number does this app show?
    let price = 230; // typed by the user
    let off = 40; // typed by the user
    let pay = price - off;
    show(pay);
32. 32.💡 Does an app idea like a medicine reminder solve a real problem? (a) Yes (b) No
33. 33.💡 Which app idea solves this problem: pupils forget due dates? (a) a medicine reminder (b) a bill splitter (c) a lost-and-found board (d) a homework planner
34. 34.🎯 Why learn about users before you build? (a) to build what they need (b) to make it longer (c) to slow it down (d) to pick a logo
35. 35.True or false: a big-text reader is the best fit for a pupil juggling five projects. (a) False (b) True
36. 36.Which of these is true of an app? (a) has a home-screen icon (b) opens from a link (c) has a web address (d) opens in a web browser
37. 37.🗒️ When should nice-to-have features be built? (a) never (b) before anything (c) after the must-haves (d) on day one
38. 38.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Order Snacks
    [button] Send
    [text box] Email
    [slider] Volume
39. 39.🔢 After an app is released, which comes LAST? (a) read user reviews (b) fix and improve (c) release an update (d) test it again
40. 40.⚙️ What number does this app show?
    let bill = 123; // typed by the user
    let friends = 3; // typed by the user
    let share = bill / friends;
    show(share);

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