App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 158 · 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.💡 Does an app idea like a page of random dots solve a real problem? (a) Yes (b) No
2. 2.🧩 How many buttons does this app screen have?
   [title] Add Homework
   [button] Back
   [text box] Phone
   [switch] Dark mode
3. 3.🔢 When you make an app, which comes first: “build the app” or “get an idea”? (a) build the app (b) get an idea
4. 4.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Edit Profile
   [button] Done
   [text box] Phone
5. 5.⚙️ Which line does the processing (works out the answer)?
   line 1: let km = 9; // typed by the user
   line 2: let metres = km * 1000;
   line 3: show(metres); (a) line 3 (b) line 2 (c) line 1
6. 6.🗂️ What kind of app is a puzzle with levels? (a) a health app (b) a learning app (c) a tool app (d) a game
7. 7.True or false: tap to Save is a screen. (a) True (b) False
8. 8.True or false: you let friends try it at the plan stage. (a) False (b) True
9. 9.True or false: you try every button at the idea stage. (a) False (b) True
10. 10.🗂️ What kind of app is a unit converter? (a) a tool app (b) a game (c) a learning app (d) a health app
11. 11.👥 A library app has 175 readers, 270 librarians and 100 volunteers as users. How many more librarians than readers are there?
12. 12.Which of these is a user need? (a) a reminder alarm (b) “Small text is hard” (c) a dark mode switch (d) a share button
13. 13.Which of these is processing? (a) a buzz (vibration) (b) working out a tip (c) a result on screen (d) typing your age
14. 14.🎯 Which app would help this user most: a cook with no idea for dinner? (a) a big-text reader (b) a bus tracker (c) a homework planner (d) a recipe finder
15. 15.⚙️ In an app, is a buzz (vibration) an input, processing or an output? (a) processing (b) output (c) input
16. 16.True or false: you sketch the screens at the plan stage. (a) True (b) False
17. 17.👥 A cricket club app has 225 players, 140 coaches and 30 fans as users. Which user group is the biggest? (a) players (b) fans (c) coaches
18. 18.👥 A cricket club app has 250 players, 130 coaches and 265 fans as users. How many users does it have in all?
19. 19.Which of these app ideas solves a real problem? (a) a blank grey screen (b) a library due-date alert (c) a page of random dots (d) a button with no action
20. 20.🔍 Which is the odd one out? (a) a step counter (b) a flashcard trainer (c) a water reminder (d) a sleep tracker
21. 21.⚙️ What number does this app show?
    let price = 30; // typed by the user
    let qty = 6; // typed by the user
    let total = price * qty;
    show(total);
22. 22.💡 Does an app idea like a bill splitter solve a real problem? (a) Yes (b) No
23. 23.🗒️ Version 1 of a bus tracker must be ready in 12 days. How many days are left for extras after the must-haves?
    see where the bus is: 1 days
    show arrival time: 1 days
    pick your bus stop: 4 days
24. 24.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) see today’s total (b) water animations (c) custom alert sounds (d) share your streak
25. 25.True or false: you talk to possible users at the idea stage. (a) False (b) True
26. 26.🧩 Which of these is a button on this screen?
    [title] Edit Profile
    [button] Start
    [text box] Age
    [text box] Due date
    [button] Cancel
    [button] Save (a) Start (b) Due date (c) Age
27. 27.📱 Which one opens from a link: an app or a website? (a) an app (b) a website
28. 28.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) share tasks to friends (b) pick a theme colour (c) earn stickers (d) see tasks by day
29. 29.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 14; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 2 (b) line 1 (c) line 3
30. 30.🧩 Which input is best for turning something ON or OFF? (a) a switch (b) a slider (c) a title (d) a text box
31. 31.📅 An app team plans for 3 days, builds for 7 days, tests for 1 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
32. 32.🔍 Which is the odd one out? (a) checking a password (b) working out a tip (c) tapping a button (d) adding up a bill
33. 33.📱 Where do people usually download phone apps from? (a) a charger (b) an app store (c) a web server (d) a printer
34. 34.Which of these is data? (a) tap to Start (b) your saved notes (c) a slider for volume (d) tap to Save
35. 35.🛠️ At which stage do you list what users need? (a) the idea stage (b) the test stage (c) the build stage (d) the plan stage
36. 36.Which of these is an input? (a) your high score (b) the home page of an app (c) a switch for dark mode (d) today’s step count
37. 37.🔍 Which is the odd one out? (a) draw the user flow (b) talk to possible users (c) sketch the screens (d) pick the features
38. 38.True or false: a result on screen is an output. (a) True (b) False
39. 39.Which of these app ideas solves no real problem? (a) a medicine reminder (b) a page of random dots (c) a free study-room finder (d) a library due-date alert
40. 40.True or false: a page of random dots solves no real problem. (a) False (b) True

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