App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 76 · 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 of these is a button on this screen?
   [title] Add Homework
   [button] Next
   [text box] Phone
   [button] Back
   [text box] Name
   [switch] Dark mode
   [slider] Brightness (a) Name (b) Phone (c) Next (d) Dark mode
2. 2.🧩 Which of these is a button on this screen?
   [title] Add Homework
   [text box] Notes
   [switch] Sound
   [button] Done
   [text box] Due date (a) Due date (b) Done (c) Notes (d) Sound
3. 3.🗒️ Why keep version 1 small? (a) to learn from users soon (b) to confuse users (c) to look bigger (d) to use up storage
4. 4.True or false: typing your age is processing. (a) True (b) False
5. 5.📱 Which one has a web address: an app or a website? (a) an app (b) a website
6. 6.🧩 Which of these is a button on this screen?
   [title] Order Snacks
   [slider] Brightness
   [text box] Subject
   [button] Cancel (a) Cancel (b) Subject (c) Brightness
7. 7.🛠️ At which stage do you list what users need? (a) the plan stage (b) the release stage (c) the build stage (d) the idea stage
8. 8.⚙️ Which line does the processing (works out the answer)?
   line 1: let bill = 70; // typed by the user
   line 2: let friends = 2; // typed by the user
   line 3: let share = bill / friends;
   line 4: show(share); (a) line 1 (b) line 2 (c) line 4 (d) line 3
9. 9.🔢 When you make an app, which comes first: “plan the screens” or “release it”? (a) release it (b) plan the screens
10. 10.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) see tasks by day (b) share tasks to friends (c) earn stickers (d) pick a theme colour
11. 11.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) add money received (b) show the balance (c) add money spent (d) pie-chart colours
12. 12.👥 A library app has 295 readers, 80 librarians and 50 volunteers as users. How many more librarians than volunteers are there?
13. 13.Which of these is an input? (a) sorting the scores (b) typing your age (c) a buzz (vibration) (d) working out a tip
14. 14.🔢 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
15. 15.True or false: a torch is a learning app. (a) True (b) False
16. 16.🔢 When you make an app, what comes right after “build the app”? (a) release it (b) get an idea (c) test the app (d) plan the screens
17. 17.Which of these happens at the release stage? (a) sketch the screens (b) write down the bugs (c) put it on an app store (d) talk to possible users
18. 18.🎯 Is this a user need or a feature: a share button? (a) a feature (b) a user need
19. 19.True or false: you let friends try it at the plan stage. (a) False (b) True
20. 20.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting birthdays: 12 votes
    missing the bus: 14 votes
    forgetting homework: 5 votes
21. 21.Which of these happens at the idea stage? (a) talk to possible users (b) draw the user flow (c) add the buttons (d) pick the features
22. 22.🗒️ In MVP, the M stands for ___. (a) music (b) minimum (c) maximum (d) mobile
23. 23.🔢 After an app is released, what comes right after “list what to fix”? (a) test it again (b) fix and improve (c) release an update (d) read user reviews
24. 24.📱 Which one has a home-screen icon: an app or a website? (a) a website (b) an app
25. 25.📅 An app team plans for 4 days, builds for 5 days, tests for 1 days and releases on 1 more day. How many days does the whole project take?
26. 26.🗒️ 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) earn stickers (d) see tasks by day
27. 27.🗒️ Version 1 of a homework planner must be ready in 15 days. How many days are left for extras after the must-haves?
    add a homework task: 3 days
    set a due date: 4 days
    see tasks by day: 4 days
28. 28.True or false: a website has a home-screen icon. (a) False (b) True
29. 29.🧩 What does a button do when you tap it? (a) starts an action (b) saves the battery (c) shows the time (d) changes the phone
30. 30.🗒️ You are planning version 1 of a bus tracker. Which feature can WAIT for a later version? (a) show arrival time (b) pick your bus stop (c) change the bus icon (d) see where the bus is
31. 31.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) see today’s total (b) log a glass of water (c) set a reminder time (d) custom alert sounds
32. 32.🔍 Which is the odd one out? (a) typing your age (b) a pop-up message (c) tapping a button (d) taking a photo
33. 33.🔢 After an app is released, which comes first: “list what to fix” or “release an update”? (a) release an update (b) list what to fix
34. 34.🗒️ Version 1 of a water reminder must be ready in 8 days. How many days are left for extras after the must-haves?
    set a reminder time: 1 days
    log a glass of water: 4 days
    see today’s total: 2 days
35. 35.🗒️ Version 1 of a bus tracker must be ready in 10 days. How many days are left for extras after the must-haves?
    see where the bus is: 4 days
    show arrival time: 2 days
    pick your bus stop: 2 days
36. 36.⚙️ In an app, is a beep sound an input, processing or an output? (a) processing (b) output (c) input
37. 37.💡 Does an app idea like a medicine reminder solve a real problem? (a) No (b) Yes
38. 38.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) show the score (b) check the answer (c) an avatar shop (d) show a question
39. 39.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Add Homework
    [text box] Age
    [button] Save
    [text box] Notes
    [slider] Text size
    [button] Next
40. 40.True or false: you sketch the screens at the test stage. (a) True (b) False

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