App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 125 · 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.🔢 After an app is released, which comes LAST? (a) release an update (b) list what to fix (c) read user reviews (d) test it again
2. 2.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Order Snacks
   [switch] Remind me
   [text box] Age
   [button] Next
   [button] Done
   [slider] Brightness
3. 3.True or false: a beep sound is an input. (a) True (b) False
4. 4.🗒️ Version 1 of a bus tracker must be ready in 7 days. How many days are left for extras after the must-haves?
   see where the bus is: 3 days
   show arrival time: 2 days
   pick your bus stop: 2 days
5. 5.⚙️ Which line does the processing (works out the answer)?
   line 1: let price = 95; // typed by the user
   line 2: let qty = 6; // typed by the user
   line 3: let total = price * qty;
   line 4: show(total); (a) line 4 (b) line 1 (c) line 2 (d) line 3
6. 6.🔢 After an app is released, what comes right after “test it again”? (a) release an update (b) fix and improve (c) list what to fix (d) read user reviews
7. 7.💡 Which app idea solves this problem: the library is always full? (a) a study-room finder (b) a bill splitter (c) a medicine reminder (d) a homework planner
8. 8.👥 A cricket club app has 285 players, 210 coaches and 260 fans as users. Which user group is the biggest? (a) fans (b) coaches (c) players
9. 9.🔢 After an app is released, what comes right after “list what to fix”? (a) read user reviews (b) test it again (c) fix and improve (d) release an update
10. 10.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Edit Profile
    [button] Cancel
    [text box] Due date
    [button] Next
    [slider] Brightness
    [switch] Sound
11. 11.🔍 Which is the odd one out? (a) share the download link (b) write the store text (c) put it on an app store (d) try every button
12. 12.True or false: a calculator is a tool app. (a) False (b) True
13. 13.🎯 A short made-up profile of a typical user is called a ___. (a) password (b) pixel (c) persona (d) protocol
14. 14.🗂️ What kind of app is an alarm clock? (a) a game (b) a learning app (c) a health app (d) a tool app
15. 15.True or false: an app needs no installing. (a) True (b) False
16. 16.🧩 How many buttons does this app screen have?
    [title] Edit Profile
    [button] Start
    [button] Help
    [switch] Remind me
    [slider] Brightness
    [text box] Subject
    [text box] Age
17. 17.⚙️ 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);
18. 18.🗒️ A to-do app with no “add a task” feature is ___. (a) ready to release (b) well planned (c) missing a must-have (d) a nice extra
19. 19.🔍 Which is the odd one out? (a) taking a photo (b) tapping a button (c) typing your age (d) a buzz (vibration)
20. 20.Which of these is true of a website? (a) has a home-screen icon (b) comes from an app store (c) opens from a link (d) is installed on a phone
21. 21.True or false: a bill splitter solves no real problem. (a) False (b) True
22. 22.👥 A school app has 225 students, 250 teachers and 300 parents as users. Which user group is the biggest? (a) parents (b) students (c) teachers
23. 23.🧩 In an app, what is the settings page? (a) a button (b) an input (c) a screen (d) data
24. 24.🗂️ What kind of app is a times-table quiz? (a) a game (b) a learning app (c) a health app (d) a tool app
25. 25.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) set a reminder time (b) log a glass of water (c) see today’s total (d) water animations
26. 26.True or false: a cricket run chase is a game. (a) False (b) True
27. 27.🗒️ Version 1 of a quiz app must be ready in 11 days. How many days are left for extras after the must-haves?
    show a question: 4 days
    check the answer: 1 days
    show the score: 5 days
28. 28.⚙️ What number does this app show?
    let price = 50; // typed by the user
    let qty = 4; // typed by the user
    let total = price * qty;
    show(total);
29. 29.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Add Homework
    [button] Next
    [button] Start
    [text box] Email
    [switch] Sound
    [button] Done
    [slider] Brightness
    [text box] Notes
30. 30.🧩 Which input is best for choosing a volume level? (a) a text box (b) a title (c) a slider (d) a switch
31. 31.🧩 In an app, what is the log-in page? (a) an input (b) data (c) a button (d) a screen
32. 32.⚙️ 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 1 (b) line 3 (c) line 2
33. 33.⚙️ What number does this app show?
    let bill = 36; // typed by the user
    let friends = 2; // typed by the user
    let share = bill / friends;
    show(share);
34. 34.🗒️ 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: 3 days
    see today’s total: 5 days
35. 35.Which of these happens at the build stage? (a) talk to possible users (b) sketch the screens (c) list what users need (d) write the code
36. 36.Which of these is true of an app? (a) updates from the store (b) opens in a web browser (c) has a web address (d) opens from a link
37. 37.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) set a due date (b) add a homework task (c) see tasks by day (d) earn stickers
38. 38.🗒️ Version 1 of a quiz app must be ready in 13 days. How many days are left for extras after the must-haves?
    show a question: 1 days
    check the answer: 1 days
    show the score: 5 days
39. 39.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) background music (b) show the score (c) confetti effects (d) an avatar shop
40. 40.True or false: sorting the scores is an input. (a) True (b) False

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