App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 980 · 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.⚙️ In an app, is sorting the scores an input, processing or an output? (a) processing (b) output (c) input
2. 2.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Add Homework
   [button] Save
   [switch] Dark mode
   [text box] Age
   [text box] Due date
   [text box] Phone
3. 3.👥 A library app has 30 readers, 285 librarians and 35 volunteers as users. How many more librarians than volunteers are there?
4. 4.🎯 Why learn about users before you build? (a) to slow it down (b) to make it longer (c) to pick a logo (d) to build what they need
5. 5.🗂️ What kind of app is a racing challenge? (a) a learning app (b) a tool app (c) a game (d) a health app
6. 6.🔍 Which is the odd one out? (a) pick the features (b) let friends try it (c) write down the bugs (d) try every button
7. 7.🎯 Which app would help this user most: a student who often misses the school bus? (a) a pocket-money tracker (b) a homework planner (c) a bus tracker (d) a water reminder
8. 8.True or false: a puzzle with levels is a game. (a) False (b) True
9. 9.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) show a question (b) background music (c) an avatar shop (d) confetti effects
10. 10.🔢 When you make an app, what comes right after “get an idea”? (a) test the app (b) build the app (c) release it (d) plan the screens
11. 11.🗂️ What kind of app is a torch? (a) a tool app (b) a learning app (c) a health app (d) a game
12. 12.💡 How can you check that people really have the problem? (a) just guess (b) ask possible users (c) copy another app (d) pick a colour
13. 13.Which of these is data? (a) your high score (b) a slider for volume (c) tap to Send (d) the home page of an app
14. 14.⚙️ What number does this app show?
    let price = 350; // typed by the user
    let off = 50; // typed by the user
    let pay = price - off;
    show(pay);
15. 15.⚙️ In an app, is adding up a bill an input, processing or an output? (a) output (b) input (c) processing
16. 16.Which of these is a screen? (a) tap to go Next (b) tap to Send (c) the home page of an app (d) today’s step count
17. 17.Which of these is an output? (a) a beep sound (b) adding up a bill (c) speaking a command (d) typing your age
18. 18.True or false: you let friends try it at the test stage. (a) False (b) True
19. 19.Which of these is a user need? (a) a reminder alarm (b) a search bar (c) “I keep missing the bus” (d) a dark mode switch
20. 20.Which of these app ideas solves no real problem? (a) a medicine reminder (b) a bill splitter (c) a blank grey screen (d) a lost-and-found board
21. 21.🗒️ Version 1 of a quiz app must be ready in 10 days. How many days are left for extras after the must-haves?
    show a question: 2 days
    check the answer: 2 days
    show the score: 2 days
22. 22.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Settings
    [text box] Due date
    [text box] Phone
    [text box] Subject
    [button] Start
    [slider] Brightness
23. 23.True or false: an app opens in a web browser. (a) False (b) True
24. 24.True or false: your high score is a screen. (a) True (b) False
25. 25.True or false: a flashcard trainer is a game. (a) True (b) False
26. 26.🧩 Which input is best for choosing a volume level? (a) a switch (b) a slider (c) a text box (d) a title
27. 27.💡 After a survey, which need should version 1 solve? (a) a random need (b) the rarest need (c) the most common need (d) the newest trend
28. 28.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) change the bus icon (b) rate the driver (c) pick your bus stop (d) a dark mode
29. 29.🔍 Which is the odd one out? (a) tapping a button (b) adding up a bill (c) typing your age (d) taking a photo
30. 30.Which of these is a button? (a) today’s step count (b) your high score (c) a box to type a name (d) tap to Send
31. 31.🗒️ When should nice-to-have features be built? (a) before anything (b) on day one (c) never (d) after the must-haves
32. 32.Which of these is a user need? (a) a search bar (b) a dark mode switch (c) a reminder alarm (d) “I forget my homework”
33. 33.Which of these is an input? (a) a result on screen (b) a buzz (vibration) (c) adding up a bill (d) typing your age
34. 34.📱 Which one opens from a link: an app or a website? (a) an app (b) a website
35. 35.📱 Which one comes from an app store: an app or a website? (a) an app (b) a website
36. 36.🗒️ Version 1 of a water reminder must be ready in 12 days. How many days are left for extras after the must-haves?
    set a reminder time: 2 days
    log a glass of water: 4 days
    see today’s total: 3 days
37. 37.📊 Survey: which problem bugs you most? How many students voted in all?
    wasting pocket money: 24 votes
    forgetting birthdays: 8 votes
    forgetting homework: 4 votes
38. 38.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 260; // typed by the user
    line 2: let off = 20; // typed by the user
    line 3: let pay = price - off;
    line 4: show(pay); (a) line 2 (b) line 4 (c) line 1 (d) line 3
39. 39.True or false: you sketch the screens at the idea stage. (a) False (b) True
40. 40.📅 An app team plans for 3 days, builds for 6 days, tests for 3 days and releases on 1 more day. How many days does the whole project take?

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